chrome/browser/chrome_content_browser_client.cc

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "chrome/browser/chrome_content_browser_client.h"
   6
   7 #include <set>
   8 #include <utility>
   9 #include <vector>
  10
  11 #include "base/bind.h"
  12 #include "base/command_line.h"
  13 #include "base/lazy_instance.h"
  14 #include "base/path_service.h"
  15 #include "base/prefs/pref_service.h"
  16 #include "base/prefs/scoped_user_pref_update.h"
  17 #include "base/strings/string_number_conversions.h"
  18 #include "base/strings/utf_string_conversions.h"
  19 #include "base/threading/sequenced_worker_pool.h"
  20 #include "chrome/browser/app_mode/app_mode_utils.h"
  21 #include "chrome/browser/browser_about_handler.h"
  22 #include "chrome/browser/browser_process.h"
  23 #include "chrome/browser/browser_shutdown.h"
  24 #include "chrome/browser/browsing_data/browsing_data_helper.h"
  25 #include "chrome/browser/browsing_data/browsing_data_remover.h"
  26 #include "chrome/browser/character_encoding.h"
  27 #include "chrome/browser/chrome_net_benchmarking_message_filter.h"
  28 #include "chrome/browser/chrome_quota_permission_context.h"
  29 #include "chrome/browser/content_settings/content_settings_utils.h"
  30 #include "chrome/browser/content_settings/cookie_settings.h"
  31 #include "chrome/browser/content_settings/host_content_settings_map.h"
  32 #include "chrome/browser/content_settings/tab_specific_content_settings.h"
  33 #include "chrome/browser/defaults.h"
  34 #include "chrome/browser/download/download_prefs.h"
  35 #include "chrome/browser/extensions/api/web_request/web_request_api.h"
  36 #include "chrome/browser/extensions/browser_permissions_policy_delegate.h"
  37 #include "chrome/browser/extensions/extension_service.h"
  38 #include "chrome/browser/extensions/extension_util.h"
  39 #include "chrome/browser/extensions/extension_web_ui.h"
  40 #include "chrome/browser/extensions/extension_webkit_preferences.h"
  41 #include "chrome/browser/extensions/suggest_permission_util.h"
  42 #include "chrome/browser/geolocation/chrome_access_token_store.h"
  43 #include "chrome/browser/google/google_util.h"
  44 #include "chrome/browser/guestview/adview/adview_guest.h"
  45 #include "chrome/browser/guestview/guestview.h"
  46 #include "chrome/browser/guestview/guestview_constants.h"
  47 #include "chrome/browser/guestview/webview/webview_guest.h"
  48 #include "chrome/browser/local_discovery/storage/privet_filesystem_backend.h"
  49 #include "chrome/browser/media/cast_transport_host_filter.h"
  50 #include "chrome/browser/media/media_capture_devices_dispatcher.h"
  51 #include "chrome/browser/metrics/chrome_browser_main_extra_parts_metrics.h"
  52 #include "chrome/browser/nacl_host/nacl_browser_delegate_impl.h"
  53 #include "chrome/browser/net/chrome_net_log.h"
  54 #include "chrome/browser/notifications/desktop_notification_service.h"
  55 #include "chrome/browser/notifications/desktop_notification_service_factory.h"
  56 #include "chrome/browser/platform_util.h"
  57 #include "chrome/browser/plugins/plugin_info_message_filter.h"
  58 #include "chrome/browser/prerender/prerender_final_status.h"
  59 #include "chrome/browser/prerender/prerender_manager.h"
  60 #include "chrome/browser/prerender/prerender_manager_factory.h"
  61 #include "chrome/browser/prerender/prerender_message_filter.h"
  62 #include "chrome/browser/prerender/prerender_tracker.h"
  63 #include "chrome/browser/printing/printing_message_filter.h"
  64 #include "chrome/browser/profiles/chrome_browser_main_extra_parts_profiles.h"
  65 #include "chrome/browser/profiles/profile.h"
  66 #include "chrome/browser/profiles/profile_io_data.h"
  67 #include "chrome/browser/profiles/profile_manager.h"
  68 #include "chrome/browser/renderer_host/chrome_render_message_filter.h"
  69 #include "chrome/browser/renderer_host/pepper/chrome_browser_pepper_host_factory.h"
  70 #include "chrome/browser/search/instant_service.h"
  71 #include "chrome/browser/search/instant_service_factory.h"
  72 #include "chrome/browser/search/search.h"
  73 #include "chrome/browser/search_engines/search_provider_install_state_message_filter.h"
  74 #include "chrome/browser/signin/principals_message_filter.h"
  75 #include "chrome/browser/speech/chrome_speech_recognition_manager_delegate.h"
  76 #include "chrome/browser/speech/tts_message_filter.h"
  77 #include "chrome/browser/ssl/ssl_add_certificate.h"
  78 #include "chrome/browser/ssl/ssl_blocking_page.h"
  79 #include "chrome/browser/ssl/ssl_tab_helper.h"
  80 #include "chrome/browser/sync_file_system/local/sync_file_system_backend.h"
  81 #include "chrome/browser/tab_contents/tab_util.h"
  82 #include "chrome/browser/ui/blocked_content/blocked_window_params.h"
  83 #include "chrome/browser/ui/blocked_content/popup_blocker_tab_helper.h"
  84 #include "chrome/browser/ui/chrome_select_file_policy.h"
  85 #include "chrome/browser/ui/sync/sync_promo_ui.h"
  86 #include "chrome/browser/ui/tab_contents/chrome_web_contents_view_delegate.h"
  87 #include "chrome/browser/ui/webui/chrome_web_ui_controller_factory.h"
  88 #include "chrome/common/chrome_constants.h"
  89 #include "chrome/common/chrome_paths.h"
  90 #include "chrome/common/chrome_switches.h"
  91 #include "chrome/common/env_vars.h"
  92 #include "chrome/common/extensions/extension_process_policy.h"
  93 #include "chrome/common/extensions/manifest_handlers/app_isolation_info.h"
  94 #include "chrome/common/logging_chrome.h"
  95 #include "chrome/common/pepper_permission_util.h"
  96 #include "chrome/common/pref_names.h"
  97 #include "chrome/common/profile_management_switches.h"
  98 #include "chrome/common/render_messages.h"
  99 #include "chrome/common/url_constants.h"
 100 #include "chrome/installer/util/google_update_settings.h"
 101 #include "chromeos/chromeos_constants.h"
 102 #include "components/nacl/browser/nacl_browser.h"
 103 #include "components/nacl/browser/nacl_host_message_filter.h"
 104 #include "components/nacl/browser/nacl_process_host.h"
 105 #include "components/nacl/common/nacl_process_type.h"
 106 #include "components/nacl/common/nacl_switches.h"
 107 #include "components/translate/core/common/translate_switches.h"
 108 #include "components/user_prefs/pref_registry_syncable.h"
 109 #include "content/public/browser/browser_child_process_host.h"
 110 #include "content/public/browser/browser_main_parts.h"
 111 #include "content/public/browser/browser_ppapi_host.h"
 112 #include "content/public/browser/browser_thread.h"
 113 #include "content/public/browser/browser_url_handler.h"
 114 #include "content/public/browser/child_process_data.h"
 115 #include "content/public/browser/child_process_security_policy.h"
 116 #include "content/public/browser/render_frame_host.h"
 117 #include "content/public/browser/render_process_host.h"
 118 #include "content/public/browser/render_view_host.h"
 119 #include "content/public/browser/resource_context.h"
 120 #include "content/public/browser/site_instance.h"
 121 #include "content/public/browser/web_contents.h"
 122 #include "content/public/browser/web_contents_view.h"
 123 #include "content/public/common/child_process_host.h"
 124 #include "content/public/common/content_descriptors.h"
 125 #include "content/public/common/url_utils.h"
 126 #include "extensions/browser/extension_host.h"
 127 #include "extensions/browser/extension_message_filter.h"
 128 #include "extensions/browser/extension_registry.h"
 129 #include "extensions/browser/extension_system.h"
 130 #include "extensions/browser/info_map.h"
 131 #include "extensions/browser/process_manager.h"
 132 #include "extensions/browser/process_map.h"
 133 #include "extensions/browser/view_type_utils.h"
 134 #include "extensions/common/constants.h"
 135 #include "extensions/common/extension.h"
 136 #include "extensions/common/extension_set.h"
 137 #include "extensions/common/manifest_handlers/background_info.h"
 138 #include "extensions/common/manifest_handlers/shared_module_info.h"
 139 #include "extensions/common/manifest_handlers/web_accessible_resources_info.h"
 140 #include "extensions/common/permissions/permissions_data.h"
 141 #include "extensions/common/permissions/socket_permission.h"
 142 #include "extensions/common/switches.h"
 143 #include "grit/generated_resources.h"
 144 #include "grit/ui_resources.h"
 145 #include "net/base/mime_util.h"
 146 #include "net/cookies/canonical_cookie.h"
 147 #include "net/cookies/cookie_options.h"
 148 #include "net/ssl/ssl_cert_request_info.h"
 149 #include "ppapi/host/ppapi_host.h"
 150 #include "ppapi/shared_impl/ppapi_switches.h"
 151 #include "ui/base/l10n/l10n_util.h"
 152 #include "ui/base/resource/resource_bundle.h"
 153 #include "ui/message_center/message_center_util.h"
 154 #include "webkit/browser/fileapi/external_mount_points.h"
 155 #include "webkit/common/webpreferences.h"
 156
 157 #if defined(OS_WIN)
 158 #include "base/win/windows_version.h"
 159 #include "chrome/browser/chrome_browser_main_win.h"
 160 #include "sandbox/win/src/sandbox_policy.h"
 161 #elif defined(OS_MACOSX)
 162 #include "chrome/browser/chrome_browser_main_mac.h"
 163 #include "chrome/browser/spellchecker/spellcheck_message_filter_mac.h"
 164 #include "components/breakpad/app/breakpad_mac.h"
 165 #elif defined(OS_CHROMEOS)
 166 #include "chrome/browser/chromeos/chrome_browser_main_chromeos.h"
 167 #include "chrome/browser/chromeos/drive/fileapi/file_system_backend_delegate.h"
 168 #include "chrome/browser/chromeos/fileapi/file_system_backend.h"
 169 #include "chrome/browser/chromeos/login/startup_utils.h"
 170 #include "chrome/browser/chromeos/login/user_manager.h"
 171 #include "chrome/browser/chromeos/system/input_device_settings.h"
 172 #include "chromeos/chromeos_switches.h"
 173 #elif defined(OS_LINUX)
 174 #include "chrome/browser/chrome_browser_main_linux.h"
 175 #elif defined(OS_ANDROID)
 176 #include "chrome/browser/android/webapps/single_tab_mode_tab_helper.h"
 177 #include "chrome/browser/chrome_browser_main_android.h"
 178 #include "chrome/browser/media/encrypted_media_message_filter_android.h"
 179 #include "chrome/common/descriptors_android.h"
 180 #include "components/breakpad/browser/crash_dump_manager_android.h"
 181 #elif defined(OS_POSIX)
 182 #include "chrome/browser/chrome_browser_main_posix.h"
 183 #endif
 184
 185 #if defined(OS_POSIX) && !defined(OS_MACOSX)
 186 #include "base/debug/leak_annotations.h"
 187 #include "base/linux_util.h"
 188 #include "components/breakpad/app/breakpad_linux.h"
 189 #include "components/breakpad/browser/crash_handler_host_linux.h"
 190 #endif
 191
 192 #if defined(ENABLE_CAPTIVE_PORTAL_DETECTION)
 193 #include "chrome/browser/captive_portal/captive_portal_tab_helper.h"
 194 #endif
 195
 196 #if defined(OS_ANDROID)
 197 #include "ui/base/ui_base_paths.h"
 198 #include "ui/gfx/android/device_display_info.h"
 199 #endif
 200
 201 #if !defined(OS_CHROMEOS)
 202 #include "chrome/browser/signin/signin_manager.h"
 203 #include "chrome/browser/signin/signin_manager_factory.h"
 204 #endif
 205
 206 #if !defined(OS_ANDROID)
 207 #include "chrome/browser/media_galleries/fileapi/media_file_system_backend.h"
 208 #endif
 209
 210 #if defined(ENABLE_WEBRTC)
 211 #include "chrome/browser/media/webrtc_logging_handler_host.h"
 212 #endif
 213
 214 #if defined(ENABLE_INPUT_SPEECH)
 215 #include "chrome/browser/speech/chrome_speech_recognition_manager_delegate_bubble_ui.h"
 216 #endif
 217
 218 #if defined(OS_CHROMEOS)
 219 #include "chrome/browser/chromeos/file_manager/app_id.h"
 220 #endif
 221
 222 #if defined(TOOLKIT_GTK)
 223 #include "chrome/browser/ui/gtk/chrome_browser_main_extra_parts_gtk.h"
 224 #endif
 225
 226 #if defined(TOOLKIT_VIEWS)
 227 #include "chrome/browser/ui/views/chrome_browser_main_extra_parts_views.h"
 228 #endif
 229
 230 #if defined(USE_ASH)
 231 #include "chrome/browser/ui/views/ash/chrome_browser_main_extra_parts_ash.h"
 232 #endif
 233
 234 #if defined(USE_AURA)
 235 #include "chrome/browser/ui/aura/chrome_browser_main_extra_parts_aura.h"
 236 #endif
 237
 238 #if defined(USE_X11)
 239 #include "chrome/browser/chrome_browser_main_extra_parts_x11.h"
 240 #endif
 241
 242 #if defined(ENABLE_SPELLCHECK)
 243 #include "chrome/browser/spellchecker/spellcheck_message_filter.h"
 244 #endif
 245
 246 #if defined(ENABLE_SERVICE_DISCOVERY)
 247 #include "chrome/browser/local_discovery/storage/privet_filesystem_backend.h"
 248 #endif
 249
 250 using blink::WebWindowFeatures;
 251 using base::FileDescriptor;
 252 using content::AccessTokenStore;
 253 using content::BrowserChildProcessHostIterator;
 254 using content::BrowserThread;
 255 using content::BrowserURLHandler;
 256 using content::ChildProcessSecurityPolicy;
 257 using content::QuotaPermissionContext;
 258 using content::RenderViewHost;
 259 using content::SiteInstance;
 260 using content::WebContents;
 261 using extensions::APIPermission;
 262 using extensions::Extension;
 263 using extensions::InfoMap;
 264 using extensions::Manifest;
 265 using message_center::NotifierId;
 266
 267 #if defined(OS_POSIX)
 268 using content::FileDescriptorInfo;
 269 #endif
 270
 271 namespace {
 272
 273 // Cached version of the locale so we can return the locale on the I/O
 274 // thread.
 275 base::LazyInstance<std::string> g_io_thread_application_locale;
 276
 277 #if defined(ENABLE_PLUGINS)
 278 const char* kPredefinedAllowedFileHandleOrigins[] = {
 279   "6EAED1924DB611B6EEF2A664BD077BE7EAD33B8F",  // see crbug.com/234789
 280   "4EB74897CB187C7633357C2FE832E0AD6A44883A"   // see crbug.com/234789
 281 };
 282
 283 const char* kPredefinedAllowedSocketOrigins[] = {
 284   "okddffdblfhhnmhodogpojmfkjmhinfp",  // Test SSH Client
 285   "pnhechapfaindjhompbnflcldabbghjo",  // HTerm App (SSH Client)
 286   "bglhmjfplikpjnfoegeomebmfnkjomhe",  // see crbug.com/122126
 287   "gbchcmhmhahfdphkhkmpfmihenigjmpp",  // Chrome Remote Desktop
 288   "kgngmbheleoaphbjbaiobfdepmghbfah",  // Pre-release Chrome Remote Desktop
 289   "odkaodonbgfohohmklejpjiejmcipmib",  // Dogfood Chrome Remote Desktop
 290   "ojoimpklfciegopdfgeenehpalipignm",  // Chromoting canary
 291   "cbkkbcmdlboombapidmoeolnmdacpkch",  // see crbug.com/129089
 292   "hhnbmknkdabfoieppbbljkhkfjcmcbjh",  // see crbug.com/134099
 293   "mablfbjkhmhkmefkjjacnbaikjkipphg",  // see crbug.com/134099
 294   "pdeelgamlgannhelgoegilelnnojegoh",  // see crbug.com/134099
 295   "cabapfdbkniadpollkckdnedaanlciaj",  // see crbug.com/134099
 296   "mapljbgnjledlpdmlchihnmeclmefbba",  // see crbug.com/134099
 297   "ghbfeebgmiidnnmeobbbaiamklmpbpii",  // see crbug.com/134099
 298   "jdfhpkjeckflbbleddjlpimecpbjdeep",  // see crbug.com/142514
 299   "iabmpiboiopbgfabjmgeedhcmjenhbla",  // see crbug.com/165080
 300   "B7CF8A292249681AF81771650BA4CEEAF19A4560",  // see crbug.com/165080
 301   "6EAED1924DB611B6EEF2A664BD077BE7EAD33B8F",  // see crbug.com/234789
 302   "4EB74897CB187C7633357C2FE832E0AD6A44883A",  // see crbug.com/234789
 303   "7525AF4F66763A70A883C4700529F647B470E4D2",  // see crbug.com/238084
 304   "0B549507088E1564D672F7942EB87CA4DAD73972",  // see crbug.com/238084
 305   "864288364E239573E777D3E0E36864E590E95C74"   // see crbug.com/238084
 306 };
 307 #endif
 308
 309 // Returns a copy of the given url with its host set to given host and path set
 310 // to given path. Other parts of the url will be the same.
 311 GURL ReplaceURLHostAndPath(const GURL& url,
 312                            const std::string& host,
 313                            const std::string& path) {
 314   url_canon::Replacements<char> replacements;
 315   replacements.SetHost(host.c_str(),
 316                        url_parse::Component(0, host.length()));
 317   replacements.SetPath(path.c_str(),
 318                        url_parse::Component(0, path.length()));
 319   return url.ReplaceComponents(replacements);
 320 }
 321
 322 // Maps "foo://bar/baz/" to "foo://chrome/bar/baz/".
 323 GURL AddUberHost(const GURL& url) {
 324   const std::string uber_host = chrome::kChromeUIUberHost;
 325   const std::string new_path = url.host() + url.path();
 326
 327   return ReplaceURLHostAndPath(url, uber_host, new_path);
 328 }
 329
 330 // If url->host() is "chrome" and url->path() has characters other than the
 331 // first slash, changes the url from "foo://chrome/bar/" to "foo://bar/" and
 332 // returns true. Otherwise returns false.
 333 bool RemoveUberHost(GURL* url) {
 334   if (url->host() != chrome::kChromeUIUberHost)
 335     return false;
 336
 337   if (url->path().empty() || url->path() == "/")
 338     return false;
 339
 340   const std::string old_path = url->path();
 341
 342   const std::string::size_type separator = old_path.find('/', 1);
 343   std::string new_host;
 344   std::string new_path;
 345   if (separator == std::string::npos) {
 346     new_host = old_path.substr(1);
 347   } else {
 348     new_host = old_path.substr(1, separator - 1);
 349     new_path = old_path.substr(separator);
 350   }
 351
 352   // Do not allow URLs with paths empty before the first slash since we can't
 353   // have an empty host. (e.g "foo://chrome//")
 354   if (new_host.empty())
 355     return false;
 356
 357   *url = ReplaceURLHostAndPath(*url, new_host, new_path);
 358
 359   DCHECK(url->is_valid());
 360
 361   return true;
 362 }
 363
 364 // Handles rewriting Web UI URLs.
 365 bool HandleWebUI(GURL* url, content::BrowserContext* browser_context) {
 366   // Do not handle special URLs such as "about:foo"
 367   if (!url->host().empty()) {
 368     const GURL chrome_url = AddUberHost(*url);
 369
 370     // Handle valid "chrome://chrome/foo" URLs so the reverse handler will
 371     // be called.
 372     if (ChromeWebUIControllerFactory::GetInstance()->UseWebUIForURL(
 373             browser_context, chrome_url))
 374       return true;
 375   }
 376
 377   if (!ChromeWebUIControllerFactory::GetInstance()->UseWebUIForURL(
 378           browser_context, *url))
 379     return false;
 380
 381 #if defined(OS_CHROMEOS)
 382   // Special case : in ChromeOS in Guest mode bookmarks and history are
 383   // disabled for security reasons. New tab page explains the reasons, so
 384   // we redirect user to new tab page.
 385   if (chromeos::UserManager::Get()->IsLoggedInAsGuest()) {
 386     if (url->SchemeIs(content::kChromeUIScheme) &&
 387         (url->DomainIs(chrome::kChromeUIBookmarksHost) ||
 388          url->DomainIs(chrome::kChromeUIHistoryHost))) {
 389       // Rewrite with new tab URL
 390       *url = GURL(chrome::kChromeUINewTabURL);
 391     }
 392   }
 393 #endif
 394
 395   return true;
 396 }
 397
 398 // Reverse URL handler for Web UI. Maps "chrome://chrome/foo/" to
 399 // "chrome://foo/".
 400 bool HandleWebUIReverse(GURL* url, content::BrowserContext* browser_context) {
 401   if (!url->is_valid() || !url->SchemeIs(content::kChromeUIScheme))
 402     return false;
 403
 404   return RemoveUberHost(url);
 405 }
 406
 407 // Used by the GetPrivilegeRequiredByUrl() and GetProcessPrivilege() functions
 408 // below.  Extension, and isolated apps require different privileges to be
 409 // granted to their RenderProcessHosts.  This classification allows us to make
 410 // sure URLs are served by hosts with the right set of privileges.
 411 enum RenderProcessHostPrivilege {
 412   PRIV_NORMAL,
 413   PRIV_HOSTED,
 414   PRIV_ISOLATED,
 415   PRIV_EXTENSION,
 416 };
 417
 418 RenderProcessHostPrivilege GetPrivilegeRequiredByUrl(
 419     const GURL& url,
 420     ExtensionService* service) {
 421   // Default to a normal renderer cause it is lower privileged. This should only
 422   // occur if the URL on a site instance is either malformed, or uninitialized.
 423   // If it is malformed, then there is no need for better privileges anyways.
 424   // If it is uninitialized, but eventually settles on being an a scheme other
 425   // than normal webrenderer, the navigation logic will correct us out of band
 426   // anyways.
 427   if (!url.is_valid())
 428     return PRIV_NORMAL;
 429
 430   if (url.SchemeIs(extensions::kExtensionScheme)) {
 431     const Extension* extension =
 432         service->extensions()->GetByID(url.host());
 433     if (extension &&
 434         extensions::AppIsolationInfo::HasIsolatedStorage(extension))
 435       return PRIV_ISOLATED;
 436     if (extension && extension->is_hosted_app())
 437       return PRIV_HOSTED;
 438
 439     return PRIV_EXTENSION;
 440   }
 441
 442   return PRIV_NORMAL;
 443 }
 444
 445 RenderProcessHostPrivilege GetProcessPrivilege(
 446     content::RenderProcessHost* process_host,
 447     extensions::ProcessMap* process_map,
 448     ExtensionService* service) {
 449   std::set<std::string> extension_ids =
 450       process_map->GetExtensionsInProcess(process_host->GetID());
 451   if (extension_ids.empty())
 452     return PRIV_NORMAL;
 453
 454   for (std::set<std::string>::iterator iter = extension_ids.begin();
 455        iter != extension_ids.end(); ++iter) {
 456     const Extension* extension = service->GetExtensionById(*iter, false);
 457     if (extension &&
 458         extensions::AppIsolationInfo::HasIsolatedStorage(extension))
 459       return PRIV_ISOLATED;
 460     if (extension && extension->is_hosted_app())
 461       return PRIV_HOSTED;
 462   }
 463
 464   return PRIV_EXTENSION;
 465 }
 466
 467 bool CertMatchesFilter(const net::X509Certificate& cert,
 468                        const base::DictionaryValue& filter) {
 469   // TODO(markusheintz): This is the minimal required filter implementation.
 470   // Implement a better matcher.
 471
 472   // An empty filter matches any client certificate since no requirements are
 473   // specified at all.
 474   if (filter.empty())
 475     return true;
 476
 477   std::string common_name;
 478   if (filter.GetString("ISSUER.CN", &common_name) &&
 479       (cert.issuer().common_name == common_name)) {
 480     return true;
 481   }
 482   return false;
 483 }
 484
 485 #if !defined(OS_ANDROID)
 486 // Fills |map| with the per-script font prefs under path |map_name|.
 487 void FillFontFamilyMap(const PrefService* prefs,
 488                        const char* map_name,
 489                        webkit_glue::ScriptFontFamilyMap* map) {
 490   // TODO: Get rid of the brute-force scan over possible (font family / script)
 491   // combinations - see http://crbug.com/308095.
 492   for (size_t i = 0; i < prefs::kWebKitScriptsForFontFamilyMapsLength; ++i) {
 493     const char* script = prefs::kWebKitScriptsForFontFamilyMaps[i];
 494     std::string pref_name = base::StringPrintf("%s.%s", map_name, script);
 495     std::string font_family = prefs->GetString(pref_name.c_str());
 496     if (!font_family.empty())
 497       (*map)[script] = base::UTF8ToUTF16(font_family);
 498   }
 499 }
 500
 501 #if defined(OS_POSIX) && !defined(OS_MACOSX)
 502 breakpad::CrashHandlerHostLinux* CreateCrashHandlerHost(
 503     const std::string& process_type) {
 504   base::FilePath dumps_path;
 505   PathService::Get(chrome::DIR_CRASH_DUMPS, &dumps_path);
 506   {
 507     ANNOTATE_SCOPED_MEMORY_LEAK;
 508     breakpad::CrashHandlerHostLinux* crash_handler =
 509         new breakpad::CrashHandlerHostLinux(
 510             process_type, dumps_path, getenv(env_vars::kHeadless) == NULL);
 511     crash_handler->StartUploaderThread();
 512     return crash_handler;
 513   }
 514 }
 515
 516 int GetCrashSignalFD(const CommandLine& command_line) {
 517   if (command_line.HasSwitch(extensions::switches::kExtensionProcess)) {
 518     static breakpad::CrashHandlerHostLinux* crash_handler = NULL;
 519     if (!crash_handler)
 520       crash_handler = CreateCrashHandlerHost("extension");
 521     return crash_handler->GetDeathSignalSocket();
 522   }
 523
 524   std::string process_type =
 525       command_line.GetSwitchValueASCII(switches::kProcessType);
 526
 527   if (process_type == switches::kRendererProcess) {
 528     static breakpad::CrashHandlerHostLinux* crash_handler = NULL;
 529     if (!crash_handler)
 530       crash_handler = CreateCrashHandlerHost(process_type);
 531     return crash_handler->GetDeathSignalSocket();
 532   }
 533
 534   if (process_type == switches::kPluginProcess) {
 535     static breakpad::CrashHandlerHostLinux* crash_handler = NULL;
 536     if (!crash_handler)
 537       crash_handler = CreateCrashHandlerHost(process_type);
 538     return crash_handler->GetDeathSignalSocket();
 539   }
 540
 541   if (process_type == switches::kPpapiPluginProcess) {
 542     static breakpad::CrashHandlerHostLinux* crash_handler = NULL;
 543     if (!crash_handler)
 544       crash_handler = CreateCrashHandlerHost(process_type);
 545     return crash_handler->GetDeathSignalSocket();
 546   }
 547
 548   if (process_type == switches::kGpuProcess) {
 549     static breakpad::CrashHandlerHostLinux* crash_handler = NULL;
 550     if (!crash_handler)
 551       crash_handler = CreateCrashHandlerHost(process_type);
 552     return crash_handler->GetDeathSignalSocket();
 553   }
 554
 555   return -1;
 556 }
 557 #endif  // defined(OS_POSIX) && !defined(OS_MACOSX)
 558 #endif  // !defined(OS_ANDROID)
 559
 560 #if !defined(OS_CHROMEOS)
 561 GURL GetEffectiveURLForSignin(const GURL& url) {
 562   CHECK(SigninManager::IsWebBasedSigninFlowURL(url));
 563
 564   GURL effective_url(SigninManager::kChromeSigninEffectiveSite);
 565   // Copy the path because the argument to SetPathStr must outlive
 566   // the Replacements object.
 567   const std::string path_copy(url.path());
 568   GURL::Replacements replacements;
 569   replacements.SetPathStr(path_copy);
 570   effective_url = effective_url.ReplaceComponents(replacements);
 571   return effective_url;
 572 }
 573 #endif
 574
 575 void SetApplicationLocaleOnIOThread(const std::string& locale) {
 576   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
 577   g_io_thread_application_locale.Get() = locale;
 578 }
 579
 580 void HandleBlockedPopupOnUIThread(const BlockedWindowParams& params) {
 581   WebContents* tab = tab_util::GetWebContentsByID(params.render_process_id(),
 582                                                   params.opener_id());
 583   if (!tab)
 584     return;
 585
 586   prerender::PrerenderContents* prerender_contents =
 587       prerender::PrerenderContents::FromWebContents(tab);
 588   if (prerender_contents) {
 589     prerender_contents->Destroy(prerender::FINAL_STATUS_CREATE_NEW_WINDOW);
 590     return;
 591   }
 592
 593   PopupBlockerTabHelper* popup_helper =
 594       PopupBlockerTabHelper::FromWebContents(tab);
 595   if (!popup_helper)
 596     return;
 597   popup_helper->AddBlockedPopup(params);
 598 }
 599
 600 #if defined(OS_ANDROID)
 601
 602 void HandleSingleTabModeBlockOnUIThread(const BlockedWindowParams& params) {
 603   WebContents* web_contents =
 604       tab_util::GetWebContentsByID(params.render_process_id(),
 605                                    params.opener_id());
 606   if (!web_contents)
 607     return;
 608
 609   SingleTabModeTabHelper::FromWebContents(web_contents)->HandleOpenUrl(params);
 610 }
 611
 612 float GetDeviceScaleAdjustment() {
 613   static const float kMinFSM = 1.05f;
 614   static const int kWidthForMinFSM = 320;
 615   static const float kMaxFSM = 1.3f;
 616   static const int kWidthForMaxFSM = 800;
 617
 618   gfx::DeviceDisplayInfo info;
 619   int minWidth = info.GetSmallestDIPWidth();
 620
 621   if (minWidth <= kWidthForMinFSM)
 622     return kMinFSM;
 623   if (minWidth >= kWidthForMaxFSM)
 624     return kMaxFSM;
 625
 626   // The font scale multiplier varies linearly between kMinFSM and kMaxFSM.
 627   float ratio = static_cast<float>(minWidth - kWidthForMinFSM) /
 628       (kWidthForMaxFSM - kWidthForMinFSM);
 629   return ratio * (kMaxFSM - kMinFSM) + kMinFSM;
 630 }
 631
 632 #endif  // defined(OS_ANDROID)
 633
 634 }  // namespace
 635
 636 namespace chrome {
 637
 638 ChromeContentBrowserClient::ChromeContentBrowserClient() {
 639 #if defined(ENABLE_PLUGINS)
 640   for (size_t i = 0; i < arraysize(kPredefinedAllowedFileHandleOrigins); ++i)
 641     allowed_file_handle_origins_.insert(kPredefinedAllowedFileHandleOrigins[i]);
 642   for (size_t i = 0; i < arraysize(kPredefinedAllowedSocketOrigins); ++i)
 643     allowed_socket_origins_.insert(kPredefinedAllowedSocketOrigins[i]);
 644 #endif
 645
 646   permissions_policy_delegate_.reset(
 647       new extensions::BrowserPermissionsPolicyDelegate());
 648 }
 649
 650 ChromeContentBrowserClient::~ChromeContentBrowserClient() {
 651 }
 652
 653 // static
 654 void ChromeContentBrowserClient::RegisterProfilePrefs(
 655     user_prefs::PrefRegistrySyncable* registry) {
 656   registry->RegisterBooleanPref(
 657       prefs::kDisable3DAPIs,
 658       false,
 659       user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
 660   registry->RegisterBooleanPref(
 661       prefs::kEnableHyperlinkAuditing,
 662       true,
 663       user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
 664 }
 665
 666 // static
 667 void ChromeContentBrowserClient::SetApplicationLocale(
 668     const std::string& locale) {
 669   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 670
 671   // This object is guaranteed to outlive all threads so we don't have to
 672   // worry about the lack of refcounting and can just post as Unretained.
 673   //
 674   // The common case is that this function is called early in Chrome startup
 675   // before any threads are created (it will also be called later if the user
 676   // changes the pref). In this case, there will be no threads created and
 677   // posting will fail. When there are no threads, we can just set the string
 678   // without worrying about threadsafety.
 679   if (!BrowserThread::PostTask(BrowserThread::IO, FROM_HERE,
 680           base::Bind(&SetApplicationLocaleOnIOThread, locale))) {
 681     g_io_thread_application_locale.Get() = locale;
 682   }
 683 }
 684
 685 content::BrowserMainParts* ChromeContentBrowserClient::CreateBrowserMainParts(
 686     const content::MainFunctionParams& parameters) {
 687   ChromeBrowserMainParts* main_parts;
 688   // Construct the Main browser parts based on the OS type.
 689 #if defined(OS_WIN)
 690   main_parts = new ChromeBrowserMainPartsWin(parameters);
 691 #elif defined(OS_MACOSX)
 692   main_parts = new ChromeBrowserMainPartsMac(parameters);
 693 #elif defined(OS_CHROMEOS)
 694   main_parts = new chromeos::ChromeBrowserMainPartsChromeos(parameters);
 695 #elif defined(OS_LINUX)
 696   main_parts = new ChromeBrowserMainPartsLinux(parameters);
 697 #elif defined(OS_ANDROID)
 698   main_parts = new ChromeBrowserMainPartsAndroid(parameters);
 699 #elif defined(OS_POSIX)
 700   main_parts = new ChromeBrowserMainPartsPosix(parameters);
 701 #else
 702   NOTREACHED();
 703   main_parts = new ChromeBrowserMainParts(parameters);
 704 #endif
 705
 706   chrome::AddProfilesExtraParts(main_parts);
 707
 708   // Construct additional browser parts. Stages are called in the order in
 709   // which they are added.
 710 #if defined(TOOLKIT_GTK)
 711   main_parts->AddParts(new ChromeBrowserMainExtraPartsGtk());
 712 #endif
 713
 714 #if defined(TOOLKIT_VIEWS)
 715   main_parts->AddParts(new ChromeBrowserMainExtraPartsViews());
 716 #endif
 717
 718 #if defined(USE_ASH)
 719   main_parts->AddParts(new ChromeBrowserMainExtraPartsAsh());
 720 #endif
 721
 722 #if defined(USE_AURA)
 723   main_parts->AddParts(new ChromeBrowserMainExtraPartsAura());
 724 #endif
 725
 726 #if defined(USE_X11)
 727   main_parts->AddParts(new ChromeBrowserMainExtraPartsX11());
 728 #endif
 729
 730   chrome::AddMetricsExtraParts(main_parts);
 731
 732   return main_parts;
 733 }
 734
 735 std::string ChromeContentBrowserClient::GetStoragePartitionIdForSite(
 736     content::BrowserContext* browser_context,
 737     const GURL& site) {
 738   std::string partition_id;
 739
 740   // The partition ID for webview guest processes is the string value of its
 741   // SiteInstance URL - "chrome-guest://app_id/persist?partition".
 742   if (site.SchemeIs(content::kGuestScheme)) {
 743     partition_id = site.spec();
 744   } else if (site.GetOrigin().spec() == kChromeUIChromeSigninURL) {
 745     // Chrome signin page has an embedded iframe of extension and web content,
 746     // thus it must be isolated from other webUI pages.
 747     partition_id = site.GetOrigin().spec();
 748   }
 749
 750   DCHECK(IsValidStoragePartitionId(browser_context, partition_id));
 751   return partition_id;
 752 }
 753
 754 bool ChromeContentBrowserClient::IsValidStoragePartitionId(
 755     content::BrowserContext* browser_context,
 756     const std::string& partition_id) {
 757   // The default ID is empty and is always valid.
 758   if (partition_id.empty())
 759     return true;
 760
 761   return GURL(partition_id).is_valid();
 762 }
 763
 764 void ChromeContentBrowserClient::GetStoragePartitionConfigForSite(
 765     content::BrowserContext* browser_context,
 766     const GURL& site,
 767     bool can_be_default,
 768     std::string* partition_domain,
 769     std::string* partition_name,
 770     bool* in_memory) {
 771   // Default to the browser-wide storage partition and override based on |site|
 772   // below.
 773   partition_domain->clear();
 774   partition_name->clear();
 775   *in_memory = false;
 776
 777   bool success = GuestView::GetGuestPartitionConfigForSite(
 778       site, partition_domain, partition_name, in_memory);
 779
 780   if (!success && site.SchemeIs(extensions::kExtensionScheme)) {
 781     // If |can_be_default| is false, the caller is stating that the |site|
 782     // should be parsed as if it had isolated storage. In particular it is
 783     // important to NOT check ExtensionService for the is_storage_isolated()
 784     // attribute because this code path is run during Extension uninstall
 785     // to do cleanup after the Extension has already been unloaded from the
 786     // ExtensionService.
 787     bool is_isolated = !can_be_default;
 788     if (can_be_default) {
 789       if (extensions::util::SiteHasIsolatedStorage(site, browser_context))
 790         is_isolated = true;
 791     }
 792
 793     if (is_isolated) {
 794       CHECK(site.has_host());
 795       // For extensions with isolated storage, the the host of the |site| is
 796       // the |partition_domain|. The |in_memory| and |partition_name| are only
 797       // used in guest schemes so they are cleared here.
 798       *partition_domain = site.host();
 799       *in_memory = false;
 800       partition_name->clear();
 801     }
 802   } else if (site.GetOrigin().spec() == kChromeUIChromeSigninURL) {
 803     // Chrome signin page has an embedded iframe of extension and web content,
 804     // thus it must be isolated from other webUI pages.
 805     *partition_domain = chrome::kChromeUIChromeSigninHost;
 806   }
 807
 808   // Assert that if |can_be_default| is false, the code above must have found a
 809   // non-default partition.  If this fails, the caller has a serious logic
 810   // error about which StoragePartition they expect to be in and it is not
 811   // safe to continue.
 812   CHECK(can_be_default || !partition_domain->empty());
 813 }
 814
 815 content::WebContentsViewDelegate*
 816     ChromeContentBrowserClient::GetWebContentsViewDelegate(
 817         content::WebContents* web_contents) {
 818   return chrome::CreateWebContentsViewDelegate(web_contents);
 819 }
 820
 821 void ChromeContentBrowserClient::GuestWebContentsCreated(
 822     SiteInstance* guest_site_instance,
 823     WebContents* guest_web_contents,
 824     WebContents* opener_web_contents,
 825     content::BrowserPluginGuestDelegate** guest_delegate,
 826     scoped_ptr<base::DictionaryValue> extra_params) {
 827   if (!guest_site_instance) {
 828     NOTREACHED();
 829     return;
 830   }
 831   GURL guest_site_url = guest_site_instance->GetSiteURL();
 832   const std::string& extension_id = guest_site_url.host();
 833
 834   Profile* profile = Profile::FromBrowserContext(
 835       guest_web_contents->GetBrowserContext());
 836   ExtensionService* service =
 837       extensions::ExtensionSystem::Get(profile)->extension_service();
 838   if (!service) {
 839     NOTREACHED();
 840     return;
 841   }
 842
 843   /// TODO(fsamuel): In the future, certain types of GuestViews won't require
 844   // extension bindings. At that point, we should clear |extension_id| instead
 845   // of exiting early.
 846   if (!service->GetExtensionById(extension_id, false) &&
 847       !CommandLine::ForCurrentProcess()->HasSwitch(
 848           switches::kEnableBrowserPluginForAllViewTypes)) {
 849     NOTREACHED();
 850     return;
 851   }
 852
 853   if (opener_web_contents) {
 854     GuestView* guest = GuestView::FromWebContents(opener_web_contents);
 855     if (!guest) {
 856       NOTREACHED();
 857       return;
 858     }
 859
 860     // Create a new GuestView of the same type as the opener.
 861     *guest_delegate =
 862         GuestView::Create(guest_web_contents,
 863                           extension_id,
 864                           guest->GetViewType());
 865     return;
 866   }
 867
 868   if (!extra_params) {
 869     NOTREACHED();
 870     return;
 871   }
 872   std::string api_type;
 873   extra_params->GetString(guestview::kParameterApi, &api_type);
 874
 875   if (api_type.empty())
 876     return;
 877
 878   *guest_delegate =
 879       GuestView::Create(guest_web_contents,
 880                         extension_id,
 881                         GuestView::GetViewTypeFromString(api_type));
 882 }
 883
 884 void ChromeContentBrowserClient::GuestWebContentsAttached(
 885     WebContents* guest_web_contents,
 886     WebContents* embedder_web_contents,
 887     const base::DictionaryValue& extra_params) {
 888
 889   GuestView* guest = GuestView::FromWebContents(guest_web_contents);
 890   if (!guest) {
 891     // It's ok to return here, since we could be running a browser plugin
 892     // outside an extension, and don't need to attach a
 893     // BrowserPluginGuestDelegate in that case;
 894     // e.g. running with flag --enable-browser-plugin-for-all-view-types.
 895     return;
 896   }
 897   guest->Attach(embedder_web_contents, extra_params);
 898 }
 899
 900 void ChromeContentBrowserClient::RenderProcessWillLaunch(
 901     content::RenderProcessHost* host) {
 902   int id = host->GetID();
 903   Profile* profile = Profile::FromBrowserContext(host->GetBrowserContext());
 904   net::URLRequestContextGetter* context =
 905       profile->GetRequestContextForRenderProcess(id);
 906
 907   host->AddFilter(new ChromeRenderMessageFilter(id, profile, context));
 908   host->AddFilter(new extensions::ExtensionMessageFilter(id, profile));
 909 #if defined(ENABLE_PLUGINS)
 910   host->AddFilter(new PluginInfoMessageFilter(id, profile));
 911 #endif
 912   host->AddFilter(new cast::CastTransportHostFilter);
 913 #if defined(ENABLE_PRINTING)
 914   host->AddFilter(new PrintingMessageFilter(id, profile));
 915 #endif
 916   host->AddFilter(new SearchProviderInstallStateMessageFilter(id, profile));
 917 #if defined(ENABLE_SPELLCHECK)
 918   host->AddFilter(new SpellCheckMessageFilter(id));
 919 #endif
 920 #if defined(OS_MACOSX)
 921   host->AddFilter(new SpellCheckMessageFilterMac(id));
 922 #endif
 923   host->AddFilter(new ChromeNetBenchmarkingMessageFilter(profile, context));
 924   host->AddFilter(new prerender::PrerenderMessageFilter(id, profile));
 925   host->AddFilter(new TtsMessageFilter(id, profile));
 926 #if defined(ENABLE_WEBRTC)
 927   WebRtcLoggingHandlerHost* webrtc_logging_handler_host =
 928       new WebRtcLoggingHandlerHost(profile);
 929   host->SetWebRtcLogMessageCallback(base::Bind(
 930       &WebRtcLoggingHandlerHost::LogMessage, webrtc_logging_handler_host));
 931   host->AddFilter(webrtc_logging_handler_host);
 932   host->SetUserData(host, new base::UserDataAdapter<WebRtcLoggingHandlerHost>(
 933       webrtc_logging_handler_host));
 934 #endif
 935 #if !defined(DISABLE_NACL)
 936   host->AddFilter(new nacl::NaClHostMessageFilter(
 937       id, profile->IsOffTheRecord(),
 938       profile->GetPath(),
 939       context));
 940 #endif
 941 #if defined(OS_ANDROID)
 942   host->AddFilter(new EncryptedMediaMessageFilterAndroid());
 943 #endif
 944   if (switches::IsNewProfileManagement())
 945     host->AddFilter(new PrincipalsMessageFilter(id));
 946
 947   host->Send(new ChromeViewMsg_SetIsIncognitoProcess(
 948       profile->IsOffTheRecord()));
 949
 950   SendExtensionWebRequestStatusToHost(host);
 951
 952   RendererContentSettingRules rules;
 953   if (host->IsGuest()) {
 954     GuestView::GetDefaultContentSettingRules(&rules, profile->IsOffTheRecord());
 955   } else {
 956     GetRendererContentSettingRules(
 957         profile->GetHostContentSettingsMap(), &rules);
 958   }
 959   host->Send(new ChromeViewMsg_SetContentSettingRules(rules));
 960 }
 961
 962 GURL ChromeContentBrowserClient::GetEffectiveURL(
 963     content::BrowserContext* browser_context, const GURL& url) {
 964   Profile* profile = Profile::FromBrowserContext(browser_context);
 965   if (!profile)
 966     return url;
 967
 968   // If the input |url| should be assigned to the Instant renderer, make its
 969   // effective URL distinct from other URLs on the search provider's domain.
 970   if (chrome::ShouldAssignURLToInstantRenderer(url, profile))
 971     return chrome::GetEffectiveURLForInstant(url, profile);
 972
 973 #if !defined(OS_CHROMEOS)
 974   // If the input |url| should be assigned to the Signin renderer, make its
 975   // effective URL distinct from other URLs on the signin service's domain.
 976   // Note that the signin renderer will be allowed to sign the user in to
 977   // Chrome.
 978   if (SigninManager::IsWebBasedSigninFlowURL(url))
 979     return GetEffectiveURLForSignin(url);
 980 #endif
 981
 982   // If the input |url| is part of an installed app, the effective URL is an
 983   // extension URL with the ID of that extension as the host. This has the
 984   // effect of grouping apps together in a common SiteInstance.
 985   ExtensionService* extension_service =
 986       extensions::ExtensionSystem::Get(profile)->extension_service();
 987   if (!extension_service)
 988     return url;
 989
 990   const Extension* extension = extension_service->extensions()->
 991       GetHostedAppByURL(url);
 992   if (!extension)
 993     return url;
 994
 995   // Bookmark apps do not use the hosted app process model, and should be
 996   // treated as normal URLs.
 997   if (extension->from_bookmark())
 998     return url;
 999
1000   // If the URL is part of an extension's web extent, convert it to an
1001   // extension URL.
1002   return extension->GetResourceURL(url.path());
1003 }
1004
1005 bool ChromeContentBrowserClient::ShouldUseProcessPerSite(
1006     content::BrowserContext* browser_context, const GURL& effective_url) {
1007   // Non-extension, non-Instant URLs should generally use
1008   // process-per-site-instance.  Because we expect to use the effective URL,
1009   // URLs for hosted apps (apart from bookmark apps) should have an extension
1010   // scheme by now.
1011
1012   Profile* profile = Profile::FromBrowserContext(browser_context);
1013   if (!profile)
1014     return false;
1015
1016   if (chrome::ShouldUseProcessPerSiteForInstantURL(effective_url, profile))
1017     return true;
1018
1019 #if !defined(OS_CHROMEOS)
1020   if (SigninManager::IsWebBasedSigninFlowURL(effective_url))
1021     return true;
1022 #endif
1023
1024   if (!effective_url.SchemeIs(extensions::kExtensionScheme))
1025     return false;
1026
1027   ExtensionService* extension_service =
1028       extensions::ExtensionSystem::Get(profile)->extension_service();
1029   if (!extension_service)
1030     return false;
1031
1032   const Extension* extension =
1033       extension_service->extensions()->GetExtensionOrAppByURL(effective_url);
1034   if (!extension)
1035     return false;
1036
1037   // If the URL is part of a hosted app that does not have the background
1038   // permission, or that does not allow JavaScript access to the background
1039   // page, we want to give each instance its own process to improve
1040   // responsiveness.
1041   if (extension->GetType() == Manifest::TYPE_HOSTED_APP) {
1042     if (!extension->HasAPIPermission(APIPermission::kBackground) ||
1043         !extensions::BackgroundInfo::AllowJSAccess(extension)) {
1044       return false;
1045     }
1046   }
1047
1048   // Hosted apps that have script access to their background page must use
1049   // process per site, since all instances can make synchronous calls to the
1050   // background window.  Other extensions should use process per site as well.
1051   return true;
1052 }
1053
1054 // These are treated as WebUI schemes but do not get WebUI bindings. Also,
1055 // view-source is allowed for these schemes.
1056 void ChromeContentBrowserClient::GetAdditionalWebUISchemes(
1057     std::vector<std::string>* additional_schemes) {
1058   additional_schemes->push_back(chrome::kChromeSearchScheme);
1059   additional_schemes->push_back(chrome::kDomDistillerScheme);
1060 }
1061
1062 void ChromeContentBrowserClient::GetAdditionalWebUIHostsToIgnoreParititionCheck(
1063     std::vector<std::string>* hosts) {
1064   hosts->push_back(chrome::kChromeUIExtensionIconHost);
1065   hosts->push_back(chrome::kChromeUIFaviconHost);
1066   hosts->push_back(chrome::kChromeUIThemeHost);
1067   hosts->push_back(chrome::kChromeUIThumbnailHost);
1068   hosts->push_back(chrome::kChromeUIThumbnailHost2);
1069   hosts->push_back(chrome::kChromeUIThumbnailListHost);
1070 }
1071
1072 net::URLRequestContextGetter*
1073 ChromeContentBrowserClient::CreateRequestContext(
1074     content::BrowserContext* browser_context,
1075     content::ProtocolHandlerMap* protocol_handlers,
1076     content::ProtocolHandlerScopedVector protocol_interceptors) {
1077   Profile* profile = Profile::FromBrowserContext(browser_context);
1078   return profile->CreateRequestContext(protocol_handlers,
1079                                        protocol_interceptors.Pass());
1080 }
1081
1082 net::URLRequestContextGetter*
1083 ChromeContentBrowserClient::CreateRequestContextForStoragePartition(
1084     content::BrowserContext* browser_context,
1085     const base::FilePath& partition_path,
1086     bool in_memory,
1087     content::ProtocolHandlerMap* protocol_handlers,
1088     content::ProtocolHandlerScopedVector protocol_interceptors) {
1089   Profile* profile = Profile::FromBrowserContext(browser_context);
1090   return profile->CreateRequestContextForStoragePartition(
1091       partition_path,
1092       in_memory,
1093       protocol_handlers,
1094       protocol_interceptors.Pass());
1095 }
1096
1097 bool ChromeContentBrowserClient::IsHandledURL(const GURL& url) {
1098   return ProfileIOData::IsHandledURL(url);
1099 }
1100
1101 bool ChromeContentBrowserClient::CanCommitURL(
1102     content::RenderProcessHost* process_host,
1103     const GURL& url) {
1104   // We need to let most extension URLs commit in any process, since this can
1105   // be allowed due to web_accessible_resources.  Most hosted app URLs may also
1106   // load in any process (e.g., in an iframe).  However, the Chrome Web Store
1107   // cannot be loaded in iframes and should never be requested outside its
1108   // process.
1109   Profile* profile =
1110       Profile::FromBrowserContext(process_host->GetBrowserContext());
1111   ExtensionService* service =
1112       extensions::ExtensionSystem::Get(profile)->extension_service();
1113   if (!service)
1114     return true;
1115   const Extension* new_extension =
1116       service->extensions()->GetExtensionOrAppByURL(url);
1117   if (new_extension &&
1118       new_extension->is_hosted_app() &&
1119       new_extension->id() == extension_misc::kWebStoreAppId &&
1120       !extensions::ProcessMap::Get(profile)->
1121           Contains(new_extension->id(), process_host->GetID())) {
1122     return false;
1123   }
1124
1125   return true;
1126 }
1127
1128 bool ChromeContentBrowserClient::ShouldAllowOpenURL(
1129     content::SiteInstance* site_instance, const GURL& url) {
1130   GURL from_url = site_instance->GetSiteURL();
1131   // Do not allow pages from the web or other extensions navigate to
1132   // non-web-accessible extension resources.
1133   if (url.SchemeIs(extensions::kExtensionScheme) &&
1134       (from_url.SchemeIsHTTPOrHTTPS() ||
1135           from_url.SchemeIs(extensions::kExtensionScheme))) {
1136     Profile* profile = Profile::FromBrowserContext(
1137         site_instance->GetProcess()->GetBrowserContext());
1138     ExtensionService* service =
1139         extensions::ExtensionSystem::Get(profile)->extension_service();
1140     if (!service)
1141       return true;
1142     const Extension* extension =
1143         service->extensions()->GetExtensionOrAppByURL(url);
1144     if (!extension)
1145       return true;
1146     const Extension* from_extension =
1147         service->extensions()->GetExtensionOrAppByURL(
1148             site_instance->GetSiteURL());
1149     if (from_extension && from_extension->id() == extension->id())
1150       return true;
1151
1152     if (!extensions::WebAccessibleResourcesInfo::IsResourceWebAccessible(
1153             extension, url.path()))
1154       return false;
1155   }
1156   return true;
1157 }
1158
1159 bool ChromeContentBrowserClient::IsSuitableHost(
1160     content::RenderProcessHost* process_host,
1161     const GURL& site_url) {
1162   Profile* profile =
1163       Profile::FromBrowserContext(process_host->GetBrowserContext());
1164   // This may be NULL during tests. In that case, just assume any site can
1165   // share any host.
1166   if (!profile)
1167     return true;
1168
1169   // Instant URLs should only be in the instant process and instant process
1170   // should only have Instant URLs.
1171   InstantService* instant_service =
1172       InstantServiceFactory::GetForProfile(profile);
1173   if (instant_service) {
1174     bool is_instant_process = instant_service->IsInstantProcess(
1175         process_host->GetID());
1176     bool should_be_in_instant_process =
1177         chrome::ShouldAssignURLToInstantRenderer(site_url, profile);
1178     if (is_instant_process || should_be_in_instant_process)
1179       return is_instant_process && should_be_in_instant_process;
1180   }
1181
1182 #if !defined(OS_CHROMEOS)
1183   SigninManager* signin_manager = SigninManagerFactory::GetForProfile(profile);
1184   if (signin_manager && signin_manager->IsSigninProcess(process_host->GetID()))
1185     return SigninManager::IsWebBasedSigninFlowURL(site_url);
1186 #endif
1187
1188   ExtensionService* service =
1189       extensions::ExtensionSystem::Get(profile)->extension_service();
1190   extensions::ProcessMap* process_map = extensions::ProcessMap::Get(profile);
1191
1192   // Don't allow the Task Manager to share a process with anything else.
1193   // Otherwise it can affect the renderers it is observing.
1194   // Note: we could create another RenderProcessHostPrivilege bucket for
1195   // this to allow multiple chrome://tasks instances to share, but that's
1196   // a very unlikely case without serious consequences.
1197   if (site_url.GetOrigin() == GURL(chrome::kChromeUITaskManagerURL).GetOrigin())
1198     return false;
1199
1200   // These may be NULL during tests. In that case, just assume any site can
1201   // share any host.
1202   if (!service || !process_map)
1203     return true;
1204
1205   // Otherwise, just make sure the process privilege matches the privilege
1206   // required by the site.
1207   RenderProcessHostPrivilege privilege_required =
1208       GetPrivilegeRequiredByUrl(site_url, service);
1209   return GetProcessPrivilege(process_host, process_map, service) ==
1210       privilege_required;
1211 }
1212
1213 // This function is trying to limit the amount of processes used by extensions
1214 // with background pages. It uses a globally set percentage of processes to
1215 // run such extensions and if the limit is exceeded, it returns true, to
1216 // indicate to the content module to group extensions together.
1217 bool ChromeContentBrowserClient::ShouldTryToUseExistingProcessHost(
1218     content::BrowserContext* browser_context, const GURL& url) {
1219   // It has to be a valid URL for us to check for an extension.
1220   if (!url.is_valid())
1221     return false;
1222
1223   Profile* profile = Profile::FromBrowserContext(browser_context);
1224   ExtensionService* service = !profile ? NULL :
1225       extensions::ExtensionSystem::Get(profile)->extension_service();
1226   if (!service)
1227     return false;
1228
1229   // We have to have a valid extension with background page to proceed.
1230   const Extension* extension =
1231       service->extensions()->GetExtensionOrAppByURL(url);
1232   if (!extension)
1233     return false;
1234   if (!extensions::BackgroundInfo::HasBackgroundPage(extension))
1235     return false;
1236
1237   std::set<int> process_ids;
1238   size_t max_process_count =
1239       content::RenderProcessHost::GetMaxRendererProcessCount();
1240
1241   // Go through all profiles to ensure we have total count of extension
1242   // processes containing background pages, otherwise one profile can
1243   // starve the other.
1244   std::vector<Profile*> profiles = g_browser_process->profile_manager()->
1245       GetLoadedProfiles();
1246   for (size_t i = 0; i < profiles.size(); ++i) {
1247     extensions::ProcessManager* epm =
1248         extensions::ExtensionSystem::Get(profiles[i])->process_manager();
1249     for (extensions::ProcessManager::const_iterator iter =
1250              epm->background_hosts().begin();
1251          iter != epm->background_hosts().end(); ++iter) {
1252       const extensions::ExtensionHost* host = *iter;
1253       process_ids.insert(host->render_process_host()->GetID());
1254     }
1255   }
1256
1257   if (process_ids.size() >
1258       (max_process_count * chrome::kMaxShareOfExtensionProcesses)) {
1259     return true;
1260   }
1261
1262   return false;
1263 }
1264
1265 void ChromeContentBrowserClient::SiteInstanceGotProcess(
1266     SiteInstance* site_instance) {
1267   CHECK(site_instance->HasProcess());
1268
1269   Profile* profile = Profile::FromBrowserContext(
1270       site_instance->GetBrowserContext());
1271   if (!profile)
1272     return;
1273
1274   // Remember the ID of the Instant process to signal the renderer process
1275   // on startup in |AppendExtraCommandLineSwitches| below.
1276   if (chrome::ShouldAssignURLToInstantRenderer(
1277           site_instance->GetSiteURL(), profile)) {
1278     InstantService* instant_service =
1279         InstantServiceFactory::GetForProfile(profile);
1280     if (instant_service)
1281       instant_service->AddInstantProcess(site_instance->GetProcess()->GetID());
1282   }
1283
1284 #if !defined(OS_CHROMEOS)
1285   // We only expect there to be one signin process as we use process-per-site
1286   // for signin URLs. The signin process will be cleared from SigninManager
1287   // when the renderer is destroyed.
1288   if (SigninManager::IsWebBasedSigninFlowURL(site_instance->GetSiteURL())) {
1289     SigninManager* signin_manager =
1290         SigninManagerFactory::GetForProfile(profile);
1291     if (signin_manager)
1292       signin_manager->SetSigninProcess(site_instance->GetProcess()->GetID());
1293     BrowserThread::PostTask(
1294         BrowserThread::IO,
1295         FROM_HERE,
1296         base::Bind(&InfoMap::SetSigninProcess,
1297                    extensions::ExtensionSystem::Get(profile)->info_map(),
1298                    site_instance->GetProcess()->GetID()));
1299   }
1300 #endif
1301
1302   ExtensionService* service =
1303       extensions::ExtensionSystem::Get(profile)->extension_service();
1304   if (!service)
1305     return;
1306
1307   const Extension* extension = service->extensions()->GetExtensionOrAppByURL(
1308       site_instance->GetSiteURL());
1309   if (!extension)
1310     return;
1311
1312   extensions::ProcessMap::Get(profile)
1313       ->Insert(extension->id(),
1314                site_instance->GetProcess()->GetID(),
1315                site_instance->GetId());
1316
1317   BrowserThread::PostTask(
1318       BrowserThread::IO,
1319       FROM_HERE,
1320       base::Bind(&InfoMap::RegisterExtensionProcess,
1321                  extensions::ExtensionSystem::Get(profile)->info_map(),
1322                  extension->id(),
1323                  site_instance->GetProcess()->GetID(),
1324                  site_instance->GetId()));
1325 }
1326
1327 void ChromeContentBrowserClient::SiteInstanceDeleting(
1328     SiteInstance* site_instance) {
1329   if (!site_instance->HasProcess())
1330     return;
1331
1332   Profile* profile = Profile::FromBrowserContext(
1333       site_instance->GetBrowserContext());
1334   ExtensionService* service =
1335       extensions::ExtensionSystem::Get(profile)->extension_service();
1336   if (!service)
1337     return;
1338
1339   const Extension* extension = service->extensions()->GetExtensionOrAppByURL(
1340       site_instance->GetSiteURL());
1341   if (!extension)
1342     return;
1343
1344   extensions::ProcessMap::Get(profile)
1345       ->Remove(extension->id(),
1346                site_instance->GetProcess()->GetID(),
1347                site_instance->GetId());
1348
1349   BrowserThread::PostTask(
1350       BrowserThread::IO,
1351       FROM_HERE,
1352       base::Bind(&InfoMap::UnregisterExtensionProcess,
1353                  extensions::ExtensionSystem::Get(profile)->info_map(),
1354                  extension->id(),
1355                  site_instance->GetProcess()->GetID(),
1356                  site_instance->GetId()));
1357 }
1358
1359 void ChromeContentBrowserClient::WorkerProcessCreated(
1360     SiteInstance* site_instance,
1361     int worker_process_id) {
1362   extensions::ExtensionRegistry* extension_registry =
1363       extensions::ExtensionRegistry::Get(site_instance->GetBrowserContext());
1364   if (!extension_registry)
1365     return;
1366   const Extension* extension =
1367       extension_registry->enabled_extensions().GetExtensionOrAppByURL(
1368         site_instance->GetSiteURL());
1369   if (!extension)
1370     return;
1371   extensions::ExtensionSystem* extension_system =
1372       extensions::ExtensionSystem::Get(site_instance->GetBrowserContext());
1373   extension_system->info_map()->RegisterExtensionWorkerProcess(
1374       extension->id(),
1375       worker_process_id,
1376       site_instance->GetId());
1377 }
1378
1379 void ChromeContentBrowserClient::WorkerProcessTerminated(
1380     SiteInstance* site_instance,
1381     int worker_process_id) {
1382   extensions::ExtensionSystem* extension_system =
1383       extensions::ExtensionSystem::Get(site_instance->GetBrowserContext());
1384   extension_system->info_map()->UnregisterExtensionWorkerProcess(
1385       worker_process_id);
1386 }
1387
1388 bool ChromeContentBrowserClient::ShouldSwapBrowsingInstancesForNavigation(
1389     SiteInstance* site_instance,
1390     const GURL& current_url,
1391     const GURL& new_url) {
1392   // If we don't have an ExtensionService, then rely on the SiteInstance logic
1393   // in RenderFrameHostManager to decide when to swap.
1394   Profile* profile =
1395       Profile::FromBrowserContext(site_instance->GetBrowserContext());
1396   ExtensionService* service =
1397       extensions::ExtensionSystem::Get(profile)->extension_service();
1398   if (!service)
1399     return false;
1400
1401   // We must use a new BrowsingInstance (forcing a process swap and disabling
1402   // scripting by existing tabs) if one of the URLs is an extension and the
1403   // other is not the exact same extension.
1404   //
1405   // We ignore hosted apps here so that other tabs in their BrowsingInstance can
1406   // use postMessage with them.  (The exception is the Chrome Web Store, which
1407   // is a hosted app that requires its own BrowsingInstance.)  Navigations
1408   // to/from a hosted app will still trigger a SiteInstance swap in
1409   // RenderFrameHostManager.
1410   const Extension* current_extension =
1411       service->extensions()->GetExtensionOrAppByURL(current_url);
1412   if (current_extension &&
1413       current_extension->is_hosted_app() &&
1414       current_extension->id() != extension_misc::kWebStoreAppId)
1415     current_extension = NULL;
1416
1417   const Extension* new_extension =
1418       service->extensions()->GetExtensionOrAppByURL(new_url);
1419   if (new_extension &&
1420       new_extension->is_hosted_app() &&
1421       new_extension->id() != extension_misc::kWebStoreAppId)
1422     new_extension = NULL;
1423
1424   // First do a process check.  We should force a BrowsingInstance swap if the
1425   // current process doesn't know about new_extension, even if current_extension
1426   // is somehow the same as new_extension.
1427   extensions::ProcessMap* process_map = extensions::ProcessMap::Get(profile);
1428   if (new_extension &&
1429       site_instance->HasProcess() &&
1430       !process_map->Contains(
1431           new_extension->id(), site_instance->GetProcess()->GetID()))
1432     return true;
1433
1434   // Otherwise, swap BrowsingInstances if current_extension and new_extension
1435   // differ.
1436   return current_extension != new_extension;
1437 }
1438
1439 bool ChromeContentBrowserClient::ShouldSwapProcessesForRedirect(
1440     content::ResourceContext* resource_context, const GURL& current_url,
1441     const GURL& new_url) {
1442   ProfileIOData* io_data = ProfileIOData::FromResourceContext(resource_context);
1443   return extensions::CrossesExtensionProcessBoundary(
1444       io_data->GetExtensionInfoMap()->extensions(),
1445       current_url, new_url, false);
1446 }
1447
1448 bool ChromeContentBrowserClient::ShouldAssignSiteForURL(const GURL& url) {
1449   return !url.SchemeIs(chrome::kChromeNativeScheme);
1450 }
1451
1452 std::string ChromeContentBrowserClient::GetCanonicalEncodingNameByAliasName(
1453     const std::string& alias_name) {
1454   return CharacterEncoding::GetCanonicalEncodingNameByAliasName(alias_name);
1455 }
1456
1457 void ChromeContentBrowserClient::AppendExtraCommandLineSwitches(
1458     CommandLine* command_line, int child_process_id) {
1459 #if defined(OS_POSIX)
1460   if (breakpad::IsCrashReporterEnabled()) {
1461     std::string enable_crash_reporter;
1462     GoogleUpdateSettings::GetMetricsId(&enable_crash_reporter);
1463 #if !defined(OS_MACOSX)
1464     enable_crash_reporter += "," + base::GetLinuxDistro();
1465 #endif
1466     command_line->AppendSwitchASCII(switches::kEnableCrashReporter,
1467         enable_crash_reporter);
1468   }
1469 #endif  // OS_POSIX
1470
1471   if (logging::DialogsAreSuppressed())
1472     command_line->AppendSwitch(switches::kNoErrorDialogs);
1473
1474   std::string process_type =
1475       command_line->GetSwitchValueASCII(switches::kProcessType);
1476   const CommandLine& browser_command_line = *CommandLine::ForCurrentProcess();
1477
1478   static const char* const kCommonSwitchNames[] = {
1479     switches::kUserAgent,
1480     switches::kUserDataDir,  // Make logs go to the right file.
1481   };
1482   command_line->CopySwitchesFrom(browser_command_line, kCommonSwitchNames,
1483                                  arraysize(kCommonSwitchNames));
1484
1485 #if defined(ENABLE_IPC_FUZZER)
1486   static const char* const kIpcFuzzerSwitches[] = {
1487     switches::kIpcFuzzerTestcase,
1488   };
1489   command_line->CopySwitchesFrom(browser_command_line, kIpcFuzzerSwitches,
1490                                  arraysize(kIpcFuzzerSwitches));
1491 #endif
1492
1493   if (process_type == switches::kRendererProcess) {
1494 #if defined(OS_CHROMEOS)
1495     const std::string& login_profile =
1496         browser_command_line.GetSwitchValueASCII(
1497             chromeos::switches::kLoginProfile);
1498     if (!login_profile.empty())
1499       command_line->AppendSwitchASCII(
1500           chromeos::switches::kLoginProfile, login_profile);
1501 #endif
1502
1503 #if defined(ENABLE_WEBRTC)
1504     MaybeCopyDisableWebRtcEncryptionSwitch(command_line,
1505                                            browser_command_line,
1506                                            VersionInfo::GetChannel());
1507 #endif
1508
1509     content::RenderProcessHost* process =
1510         content::RenderProcessHost::FromID(child_process_id);
1511     if (process) {
1512       Profile* profile = Profile::FromBrowserContext(
1513           process->GetBrowserContext());
1514
1515       if (extensions::ProcessMap::Get(profile)->Contains(process->GetID()))
1516         command_line->AppendSwitch(extensions::switches::kExtensionProcess);
1517
1518       PrefService* prefs = profile->GetPrefs();
1519       // Currently this pref is only registered if applied via a policy.
1520       if (prefs->HasPrefPath(prefs::kDisable3DAPIs) &&
1521           prefs->GetBoolean(prefs::kDisable3DAPIs)) {
1522         // Turn this policy into a command line switch.
1523         command_line->AppendSwitch(switches::kDisable3DAPIs);
1524       }
1525
1526       // Disable client-side phishing detection in the renderer if it is
1527       // disabled in the Profile preferences or the browser process.
1528       if (!prefs->GetBoolean(prefs::kSafeBrowsingEnabled) ||
1529           !g_browser_process->safe_browsing_detection_service()) {
1530         command_line->AppendSwitch(
1531             switches::kDisableClientSidePhishingDetection);
1532       }
1533
1534       if (!prefs->GetBoolean(prefs::kPrintPreviewDisabled))
1535         command_line->AppendSwitch(switches::kRendererPrintPreview);
1536
1537       InstantService* instant_service =
1538           InstantServiceFactory::GetForProfile(profile);
1539       if (instant_service &&
1540           instant_service->IsInstantProcess(process->GetID()))
1541         command_line->AppendSwitch(switches::kInstantProcess);
1542
1543 #if !defined(OS_CHROMEOS)
1544       SigninManager* signin_manager =
1545           SigninManagerFactory::GetForProfile(profile);
1546       if (signin_manager && signin_manager->IsSigninProcess(process->GetID()))
1547         command_line->AppendSwitch(switches::kSigninProcess);
1548 #endif
1549     }
1550
1551     // Please keep this in alphabetical order.
1552     static const char* const kSwitchNames[] = {
1553       autofill::switches::kDisableIgnoreAutocompleteOff,
1554       autofill::switches::kDisableInteractiveAutocomplete,
1555       autofill::switches::kDisablePasswordGeneration,
1556       autofill::switches::kEnableInteractiveAutocomplete,
1557       autofill::switches::kEnablePasswordGeneration,
1558       autofill::switches::kLocalHeuristicsOnlyForPasswordGeneration,
1559       extensions::switches::kAllowHTTPBackgroundPage,
1560       extensions::switches::kAllowLegacyExtensionManifests,
1561       extensions::switches::kEnableExperimentalExtensionApis,
1562       extensions::switches::kExtensionsOnChromeURLs,
1563       // TODO(victorhsieh): remove the following flag once we move PPAPI FileIO
1564       // to browser.
1565       switches::kAllowNaClFileHandleAPI,
1566       switches::kAppsCheckoutURL,
1567       switches::kAppsGalleryURL,
1568       switches::kCloudPrintServiceURL,
1569       switches::kDisableBundledPpapiFlash,
1570       switches::kDisableExtensionsResourceWhitelist,
1571       switches::kDisablePnacl,
1572       switches::kDisableScriptedPrintThrottling,
1573       switches::kEnableAdview,
1574       switches::kEnableAppWindowControls,
1575       switches::kEnableBenchmarking,
1576       switches::kEnableNaCl,
1577       switches::kEnableNaClDebug,
1578       switches::kEnableNaClNonSfiMode,
1579       switches::kEnableNetBenchmarking,
1580       switches::kEnableOfflineAutoReload,
1581       switches::kEnableStreamlinedHostedApps,
1582       switches::kEnableWatchdog,
1583       switches::kMemoryProfiling,
1584       switches::kMessageLoopHistogrammer,
1585       switches::kNoJsRandomness,
1586       switches::kOutOfProcessPdf,
1587       switches::kPlaybackMode,
1588       switches::kPpapiFlashArgs,
1589       switches::kPpapiFlashPath,
1590       switches::kPpapiFlashVersion,
1591       switches::kProfilingAtStart,
1592       switches::kProfilingFile,
1593       switches::kProfilingFlush,
1594       switches::kRecordMode,
1595       switches::kSilentDumpOnDCHECK,
1596       switches::kWhitelistedExtensionID,
1597       translate::switches::kTranslateSecurityOrigin,
1598     };
1599
1600     command_line->CopySwitchesFrom(browser_command_line, kSwitchNames,
1601                                    arraysize(kSwitchNames));
1602   } else if (process_type == switches::kUtilityProcess) {
1603     static const char* const kSwitchNames[] = {
1604       extensions::switches::kAllowHTTPBackgroundPage,
1605       extensions::switches::kEnableExperimentalExtensionApis,
1606       extensions::switches::kExtensionsOnChromeURLs,
1607       switches::kWhitelistedExtensionID,
1608     };
1609
1610     command_line->CopySwitchesFrom(browser_command_line, kSwitchNames,
1611                                    arraysize(kSwitchNames));
1612   } else if (process_type == switches::kPluginProcess) {
1613     static const char* const kSwitchNames[] = {
1614 #if defined(OS_CHROMEOS)
1615       chromeos::switches::kLoginProfile,
1616 #endif
1617       switches::kMemoryProfiling,
1618       switches::kSilentDumpOnDCHECK,
1619     };
1620
1621     command_line->CopySwitchesFrom(browser_command_line, kSwitchNames,
1622                                    arraysize(kSwitchNames));
1623   } else if (process_type == switches::kZygoteProcess) {
1624     static const char* const kSwitchNames[] = {
1625       // Load (in-process) Pepper plugins in-process in the zygote pre-sandbox.
1626       switches::kDisableBundledPpapiFlash,
1627       switches::kPpapiFlashPath,
1628       switches::kPpapiFlashVersion,
1629     };
1630
1631     command_line->CopySwitchesFrom(browser_command_line, kSwitchNames,
1632                                    arraysize(kSwitchNames));
1633   } else if (process_type == switches::kGpuProcess) {
1634     // If --ignore-gpu-blacklist is passed in, don't send in crash reports
1635     // because GPU is expected to be unreliable.
1636     if (browser_command_line.HasSwitch(switches::kIgnoreGpuBlacklist) &&
1637         !command_line->HasSwitch(switches::kDisableBreakpad))
1638       command_line->AppendSwitch(switches::kDisableBreakpad);
1639   }
1640
1641   // The command line switch kEnableBenchmarking needs to be specified along
1642   // with the kEnableStatsTable switch to ensure that the stats table global
1643   // is initialized correctly.
1644   if (command_line->HasSwitch(switches::kEnableBenchmarking))
1645     DCHECK(command_line->HasSwitch(switches::kEnableStatsTable));
1646 }
1647
1648 std::string ChromeContentBrowserClient::GetApplicationLocale() {
1649   if (BrowserThread::CurrentlyOn(BrowserThread::IO))
1650     return g_io_thread_application_locale.Get();
1651   return g_browser_process->GetApplicationLocale();
1652 }
1653
1654 std::string ChromeContentBrowserClient::GetAcceptLangs(
1655     content::BrowserContext* context) {
1656   Profile* profile = Profile::FromBrowserContext(context);
1657   return profile->GetPrefs()->GetString(prefs::kAcceptLanguages);
1658 }
1659
1660 gfx::ImageSkia* ChromeContentBrowserClient::GetDefaultFavicon() {
1661   ResourceBundle& rb = ResourceBundle::GetSharedInstance();
1662   return rb.GetImageSkiaNamed(IDR_DEFAULT_FAVICON);
1663 }
1664
1665 bool ChromeContentBrowserClient::AllowAppCache(
1666     const GURL& manifest_url,
1667     const GURL& first_party,
1668     content::ResourceContext* context) {
1669   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
1670   ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
1671   return io_data->GetCookieSettings()->
1672       IsSettingCookieAllowed(manifest_url, first_party);
1673 }
1674
1675 bool ChromeContentBrowserClient::AllowGetCookie(
1676     const GURL& url,
1677     const GURL& first_party,
1678     const net::CookieList& cookie_list,
1679     content::ResourceContext* context,
1680     int render_process_id,
1681     int render_frame_id) {
1682   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
1683   ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
1684   bool allow = io_data->GetCookieSettings()->
1685       IsReadingCookieAllowed(url, first_party);
1686
1687   BrowserThread::PostTask(
1688       BrowserThread::UI, FROM_HERE,
1689       base::Bind(&TabSpecificContentSettings::CookiesRead, render_process_id,
1690                  render_frame_id, url, first_party, cookie_list, !allow, true));
1691   return allow;
1692 }
1693
1694 bool ChromeContentBrowserClient::AllowSetCookie(
1695     const GURL& url,
1696     const GURL& first_party,
1697     const std::string& cookie_line,
1698     content::ResourceContext* context,
1699     int render_process_id,
1700     int render_frame_id,
1701     net::CookieOptions* options) {
1702   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
1703   ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
1704   CookieSettings* cookie_settings = io_data->GetCookieSettings();
1705   bool allow = cookie_settings->IsSettingCookieAllowed(url, first_party);
1706
1707   BrowserThread::PostTask(
1708       BrowserThread::UI, FROM_HERE,
1709       base::Bind(&TabSpecificContentSettings::CookieChanged, render_process_id,
1710                  render_frame_id, url, first_party, cookie_line, *options,
1711                  !allow));
1712   return allow;
1713 }
1714
1715 bool ChromeContentBrowserClient::AllowSaveLocalState(
1716     content::ResourceContext* context) {
1717   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
1718   ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
1719   CookieSettings* cookie_settings = io_data->GetCookieSettings();
1720   ContentSetting setting = cookie_settings->GetDefaultCookieSetting(NULL);
1721
1722   // TODO(bauerb): Should we also disallow local state if the default is BLOCK?
1723   // Could we even support per-origin settings?
1724   return setting != CONTENT_SETTING_SESSION_ONLY;
1725 }
1726
1727 bool ChromeContentBrowserClient::AllowWorkerDatabase(
1728     const GURL& url,
1729     const base::string16& name,
1730     const base::string16& display_name,
1731     unsigned long estimated_size,
1732     content::ResourceContext* context,
1733     const std::vector<std::pair<int, int> >& render_frames) {
1734   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
1735   ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
1736   CookieSettings* cookie_settings = io_data->GetCookieSettings();
1737   bool allow = cookie_settings->IsSettingCookieAllowed(url, url);
1738
1739   // Record access to database for potential display in UI.
1740   std::vector<std::pair<int, int> >::const_iterator i;
1741   for (i = render_frames.begin(); i != render_frames.end(); ++i) {
1742     BrowserThread::PostTask(
1743         BrowserThread::UI, FROM_HERE,
1744         base::Bind(&TabSpecificContentSettings::WebDatabaseAccessed,
1745                    i->first, i->second, url, name, display_name, !allow));
1746   }
1747
1748   return allow;
1749 }
1750
1751 bool ChromeContentBrowserClient::AllowWorkerFileSystem(
1752     const GURL& url,
1753     content::ResourceContext* context,
1754     const std::vector<std::pair<int, int> >& render_frames) {
1755   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
1756   ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
1757   CookieSettings* cookie_settings = io_data->GetCookieSettings();
1758   bool allow = cookie_settings->IsSettingCookieAllowed(url, url);
1759
1760   // Record access to file system for potential display in UI.
1761   std::vector<std::pair<int, int> >::const_iterator i;
1762   for (i = render_frames.begin(); i != render_frames.end(); ++i) {
1763     BrowserThread::PostTask(
1764         BrowserThread::UI, FROM_HERE,
1765         base::Bind(&TabSpecificContentSettings::FileSystemAccessed,
1766                    i->first, i->second, url, !allow));
1767   }
1768
1769   return allow;
1770 }
1771
1772 bool ChromeContentBrowserClient::AllowWorkerIndexedDB(
1773     const GURL& url,
1774     const base::string16& name,
1775     content::ResourceContext* context,
1776     const std::vector<std::pair<int, int> >& render_frames) {
1777   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
1778   ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
1779   CookieSettings* cookie_settings = io_data->GetCookieSettings();
1780   bool allow = cookie_settings->IsSettingCookieAllowed(url, url);
1781
1782   // Record access to IndexedDB for potential display in UI.
1783   std::vector<std::pair<int, int> >::const_iterator i;
1784   for (i = render_frames.begin(); i != render_frames.end(); ++i) {
1785     BrowserThread::PostTask(
1786         BrowserThread::UI, FROM_HERE,
1787         base::Bind(&TabSpecificContentSettings::IndexedDBAccessed,
1788                    i->first, i->second, url, name, !allow));
1789   }
1790
1791   return allow;
1792 }
1793
1794 net::URLRequestContext*
1795 ChromeContentBrowserClient::OverrideRequestContextForURL(
1796     const GURL& url, content::ResourceContext* context) {
1797   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
1798   if (url.SchemeIs(extensions::kExtensionScheme)) {
1799     ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
1800     return io_data->extensions_request_context();
1801   }
1802
1803   return NULL;
1804 }
1805
1806 QuotaPermissionContext*
1807 ChromeContentBrowserClient::CreateQuotaPermissionContext() {
1808   return new ChromeQuotaPermissionContext();
1809 }
1810
1811 void ChromeContentBrowserClient::AllowCertificateError(
1812     int render_process_id,
1813     int render_frame_id,
1814     int cert_error,
1815     const net::SSLInfo& ssl_info,
1816     const GURL& request_url,
1817     ResourceType::Type resource_type,
1818     bool overridable,
1819     bool strict_enforcement,
1820     const base::Callback<void(bool)>& callback,
1821     content::CertificateRequestResultType* result) {
1822   if (resource_type != ResourceType::MAIN_FRAME) {
1823     // A sub-resource has a certificate error.  The user doesn't really
1824     // have a context for making the right decision, so block the
1825     // request hard, without an info bar to allow showing the insecure
1826     // content.
1827     *result = content::CERTIFICATE_REQUEST_RESULT_TYPE_DENY;
1828     return;
1829   }
1830
1831   // If the tab is being prerendered, cancel the prerender and the request.
1832   content::RenderFrameHost* render_frame_host =
1833       content::RenderFrameHost::FromID(render_process_id, render_frame_id);
1834   WebContents* tab = WebContents::FromRenderFrameHost(render_frame_host);
1835   if (!tab) {
1836     NOTREACHED();
1837     return;
1838   }
1839
1840   prerender::PrerenderContents* prerender_contents =
1841       prerender::PrerenderContents::FromWebContents(tab);
1842   if (prerender_contents) {
1843     prerender_contents->Destroy(prerender::FINAL_STATUS_SSL_ERROR);
1844     *result = content::CERTIFICATE_REQUEST_RESULT_TYPE_CANCEL;
1845     return;
1846   }
1847
1848 #if defined(ENABLE_CAPTIVE_PORTAL_DETECTION)
1849   captive_portal::CaptivePortalTabHelper* captive_portal_tab_helper =
1850       captive_portal::CaptivePortalTabHelper::FromWebContents(tab);
1851   if (captive_portal_tab_helper)
1852     captive_portal_tab_helper->OnSSLCertError(ssl_info);
1853 #endif
1854
1855   // Otherwise, display an SSL blocking page.
1856   new SSLBlockingPage(tab, cert_error, ssl_info, request_url, overridable,
1857                       strict_enforcement, callback);
1858 }
1859
1860 void ChromeContentBrowserClient::SelectClientCertificate(
1861     int render_process_id,
1862     int render_frame_id,
1863     const net::HttpNetworkSession* network_session,
1864     net::SSLCertRequestInfo* cert_request_info,
1865     const base::Callback<void(net::X509Certificate*)>& callback) {
1866   content::RenderFrameHost* rfh = content::RenderFrameHost::FromID(
1867       render_process_id, render_frame_id);
1868   WebContents* tab = WebContents::FromRenderFrameHost(rfh);
1869   if (!tab) {
1870     NOTREACHED();
1871     return;
1872   }
1873
1874   prerender::PrerenderContents* prerender_contents =
1875       prerender::PrerenderContents::FromWebContents(tab);
1876   if (prerender_contents) {
1877     prerender_contents->Destroy(
1878         prerender::FINAL_STATUS_SSL_CLIENT_CERTIFICATE_REQUESTED);
1879     return;
1880   }
1881
1882   GURL requesting_url("https://" + cert_request_info->host_and_port.ToString());
1883   DCHECK(requesting_url.is_valid())
1884       << "Invalid URL string: https://"
1885       << cert_request_info->host_and_port.ToString();
1886
1887   Profile* profile = Profile::FromBrowserContext(tab->GetBrowserContext());
1888   scoped_ptr<base::Value> filter(
1889       profile->GetHostContentSettingsMap()->GetWebsiteSetting(
1890           requesting_url,
1891           requesting_url,
1892           CONTENT_SETTINGS_TYPE_AUTO_SELECT_CERTIFICATE,
1893           std::string(), NULL));
1894
1895   if (filter.get()) {
1896     // Try to automatically select a client certificate.
1897     if (filter->IsType(base::Value::TYPE_DICTIONARY)) {
1898       base::DictionaryValue* filter_dict =
1899           static_cast<base::DictionaryValue*>(filter.get());
1900
1901       const std::vector<scoped_refptr<net::X509Certificate> >&
1902           all_client_certs = cert_request_info->client_certs;
1903       for (size_t i = 0; i < all_client_certs.size(); ++i) {
1904         if (CertMatchesFilter(*all_client_certs[i].get(), *filter_dict)) {
1905           // Use the first certificate that is matched by the filter.
1906           callback.Run(all_client_certs[i].get());
1907           return;
1908         }
1909       }
1910     } else {
1911       NOTREACHED();
1912     }
1913   }
1914
1915   SSLTabHelper* ssl_tab_helper = SSLTabHelper::FromWebContents(tab);
1916   if (!ssl_tab_helper) {
1917     // If there is no SSLTabHelper for the given WebContents then we can't
1918     // show the user a dialog to select a client certificate. So we simply
1919     // proceed with no client certificate.
1920     callback.Run(NULL);
1921     return;
1922   }
1923   ssl_tab_helper->ShowClientCertificateRequestDialog(
1924       network_session, cert_request_info, callback);
1925 }
1926
1927 void ChromeContentBrowserClient::AddCertificate(
1928     net::URLRequest* request,
1929     net::CertificateMimeType cert_type,
1930     const void* cert_data,
1931     size_t cert_size,
1932     int render_process_id,
1933     int render_view_id) {
1934   chrome::SSLAddCertificate(request, cert_type, cert_data, cert_size,
1935       render_process_id, render_view_id);
1936 }
1937
1938 content::MediaObserver* ChromeContentBrowserClient::GetMediaObserver() {
1939   return MediaCaptureDevicesDispatcher::GetInstance();
1940 }
1941
1942 void ChromeContentBrowserClient::RequestDesktopNotificationPermission(
1943     const GURL& source_origin,
1944     int callback_context,
1945     int render_process_id,
1946     int render_view_id) {
1947 #if defined(ENABLE_NOTIFICATIONS)
1948   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
1949   WebContents* contents =
1950       tab_util::GetWebContentsByID(render_process_id, render_view_id);
1951   if (!contents) {
1952     NOTREACHED();
1953     return;
1954   }
1955
1956   // Skip showing the infobar if the request comes from an extension, and that
1957   // extension has the 'notify' permission. (If the extension does not have the
1958   // permission, the user will still be prompted.)
1959   Profile* profile = Profile::FromBrowserContext(contents->GetBrowserContext());
1960   InfoMap* extension_info_map =
1961       extensions::ExtensionSystem::Get(profile)->info_map();
1962   DesktopNotificationService* notification_service =
1963       DesktopNotificationServiceFactory::GetForProfile(profile);
1964   const Extension* extension = NULL;
1965   if (extension_info_map) {
1966     extensions::ExtensionSet extensions;
1967     extension_info_map->GetExtensionsWithAPIPermissionForSecurityOrigin(
1968         source_origin, render_process_id,
1969         extensions::APIPermission::kNotification, &extensions);
1970     for (extensions::ExtensionSet::const_iterator iter = extensions.begin();
1971          iter != extensions.end(); ++iter) {
1972       if (notification_service->IsNotifierEnabled(NotifierId(
1973               NotifierId::APPLICATION, (*iter)->id()))) {
1974         extension = iter->get();
1975         break;
1976       }
1977     }
1978   }
1979   RenderViewHost* rvh =
1980       RenderViewHost::FromID(render_process_id, render_view_id);
1981   if (IsExtensionWithPermissionOrSuggestInConsole(
1982       APIPermission::kNotification, extension, rvh)) {
1983     if (rvh)
1984       rvh->DesktopNotificationPermissionRequestDone(callback_context);
1985     return;
1986   }
1987
1988   notification_service->RequestPermission(source_origin, render_process_id,
1989       render_view_id, callback_context, contents);
1990 #else
1991   NOTIMPLEMENTED();
1992 #endif
1993 }
1994
1995 blink::WebNotificationPresenter::Permission
1996     ChromeContentBrowserClient::CheckDesktopNotificationPermission(
1997         const GURL& source_origin,
1998         content::ResourceContext* context,
1999         int render_process_id) {
2000 #if defined(ENABLE_NOTIFICATIONS)
2001   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
2002
2003   ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
2004   InfoMap* extension_info_map = io_data->GetExtensionInfoMap();
2005
2006   // We want to see if there is an extension that hasn't been manually disabled
2007   // that has the notifications permission and applies to this security origin.
2008   // First, get the list of extensions with permission for the origin.
2009   extensions::ExtensionSet extensions;
2010   extension_info_map->GetExtensionsWithAPIPermissionForSecurityOrigin(
2011       source_origin, render_process_id,
2012       extensions::APIPermission::kNotification, &extensions);
2013   for (extensions::ExtensionSet::const_iterator iter = extensions.begin();
2014        iter != extensions.end(); ++iter) {
2015     // Then, check to see if it's been disabled by the user.
2016     if (!extension_info_map->AreNotificationsDisabled((*iter)->id()))
2017       return blink::WebNotificationPresenter::PermissionAllowed;
2018   }
2019
2020   // No enabled extensions exist, so check the normal host content settings.
2021   HostContentSettingsMap* host_content_settings_map =
2022       io_data->GetHostContentSettingsMap();
2023   ContentSetting setting = host_content_settings_map->GetContentSetting(
2024       source_origin,
2025       source_origin,
2026       CONTENT_SETTINGS_TYPE_NOTIFICATIONS,
2027       NO_RESOURCE_IDENTIFIER);
2028
2029   if (setting == CONTENT_SETTING_ALLOW)
2030     return blink::WebNotificationPresenter::PermissionAllowed;
2031   if (setting == CONTENT_SETTING_BLOCK)
2032     return blink::WebNotificationPresenter::PermissionDenied;
2033   return blink::WebNotificationPresenter::PermissionNotAllowed;
2034 #else
2035   return blink::WebNotificationPresenter::PermissionAllowed;
2036 #endif
2037 }
2038
2039 void ChromeContentBrowserClient::ShowDesktopNotification(
2040     const content::ShowDesktopNotificationHostMsgParams& params,
2041     int render_process_id,
2042     int render_view_id,
2043     bool worker) {
2044 #if defined(ENABLE_NOTIFICATIONS)
2045   RenderViewHost* rvh = RenderViewHost::FromID(
2046       render_process_id, render_view_id);
2047   if (!rvh) {
2048     NOTREACHED();
2049     return;
2050   }
2051
2052   content::RenderProcessHost* process = rvh->GetProcess();
2053   Profile* profile = Profile::FromBrowserContext(process->GetBrowserContext());
2054   DesktopNotificationService* service =
2055       DesktopNotificationServiceFactory::GetForProfile(profile);
2056   service->ShowDesktopNotification(
2057     params, render_process_id, render_view_id,
2058     worker ? DesktopNotificationService::WorkerNotification :
2059         DesktopNotificationService::PageNotification);
2060 #else
2061   NOTIMPLEMENTED();
2062 #endif
2063 }
2064
2065 void ChromeContentBrowserClient::CancelDesktopNotification(
2066     int render_process_id,
2067     int render_view_id,
2068     int notification_id) {
2069 #if defined(ENABLE_NOTIFICATIONS)
2070   RenderViewHost* rvh = RenderViewHost::FromID(
2071       render_process_id, render_view_id);
2072   if (!rvh) {
2073     NOTREACHED();
2074     return;
2075   }
2076
2077   content::RenderProcessHost* process = rvh->GetProcess();
2078   Profile* profile = Profile::FromBrowserContext(process->GetBrowserContext());
2079   DesktopNotificationService* service =
2080       DesktopNotificationServiceFactory::GetForProfile(profile);
2081   service->CancelDesktopNotification(
2082       render_process_id, render_view_id, notification_id);
2083 #else
2084   NOTIMPLEMENTED();
2085 #endif
2086 }
2087
2088 bool ChromeContentBrowserClient::CanCreateWindow(
2089     const GURL& opener_url,
2090     const GURL& opener_top_level_frame_url,
2091     const GURL& source_origin,
2092     WindowContainerType container_type,
2093     const GURL& target_url,
2094     const content::Referrer& referrer,
2095     WindowOpenDisposition disposition,
2096     const WebWindowFeatures& features,
2097     bool user_gesture,
2098     bool opener_suppressed,
2099     content::ResourceContext* context,
2100     int render_process_id,
2101     bool is_guest,
2102     int opener_id,
2103     bool* no_javascript_access) {
2104   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
2105
2106   *no_javascript_access = false;
2107
2108   ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
2109   InfoMap* map = io_data->GetExtensionInfoMap();
2110
2111   // If the opener is trying to create a background window but doesn't have
2112   // the appropriate permission, fail the attempt.
2113   if (container_type == WINDOW_CONTAINER_TYPE_BACKGROUND) {
2114     if (!map->SecurityOriginHasAPIPermission(
2115             source_origin,
2116             render_process_id,
2117             APIPermission::kBackground)) {
2118       return false;
2119     }
2120
2121     // Note: this use of GetExtensionOrAppByURL is safe but imperfect.  It may
2122     // return a recently installed Extension even if this CanCreateWindow call
2123     // was made by an old copy of the page in a normal web process.  That's ok,
2124     // because the permission check above would have caused an early return
2125     // already. We must use the full URL to find hosted apps, though, and not
2126     // just the origin.
2127     const Extension* extension =
2128         map->extensions().GetExtensionOrAppByURL(opener_url);
2129     if (extension && !extensions::BackgroundInfo::AllowJSAccess(extension))
2130       *no_javascript_access = true;
2131
2132     return true;
2133   }
2134
2135   // No new browser window (popup or tab) in app mode.
2136   if (container_type == WINDOW_CONTAINER_TYPE_NORMAL &&
2137       chrome::IsRunningInForcedAppMode()) {
2138     return false;
2139   }
2140
2141   if (is_guest)
2142     return true;
2143
2144   HostContentSettingsMap* content_settings =
2145       ProfileIOData::FromResourceContext(context)->GetHostContentSettingsMap();
2146   BlockedWindowParams blocked_params(target_url,
2147                                     referrer,
2148                                     disposition,
2149                                     features,
2150                                     user_gesture,
2151                                     opener_suppressed,
2152                                     render_process_id,
2153                                     opener_id);
2154
2155   if (!user_gesture && !CommandLine::ForCurrentProcess()->HasSwitch(
2156         switches::kDisablePopupBlocking)) {
2157     if (content_settings->GetContentSetting(opener_top_level_frame_url,
2158                                             opener_top_level_frame_url,
2159                                             CONTENT_SETTINGS_TYPE_POPUPS,
2160                                             std::string()) !=
2161         CONTENT_SETTING_ALLOW) {
2162       BrowserThread::PostTask(BrowserThread::UI,
2163                               FROM_HERE,
2164                               base::Bind(&HandleBlockedPopupOnUIThread,
2165                                          blocked_params));
2166       return false;
2167     }
2168   }
2169
2170 #if defined(OS_ANDROID)
2171   if (SingleTabModeTabHelper::IsRegistered(render_process_id, opener_id)) {
2172     BrowserThread::PostTask(BrowserThread::UI,
2173                             FROM_HERE,
2174                             base::Bind(&HandleSingleTabModeBlockOnUIThread,
2175                                        blocked_params));
2176     return false;
2177   }
2178 #endif
2179
2180   return true;
2181 }
2182
2183 std::string ChromeContentBrowserClient::GetWorkerProcessTitle(
2184     const GURL& url, content::ResourceContext* context) {
2185   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
2186   // Check if it's an extension-created worker, in which case we want to use
2187   // the name of the extension.
2188   ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
2189   const Extension* extension =
2190       io_data->GetExtensionInfoMap()->extensions().GetByID(url.host());
2191   return extension ? extension->name() : std::string();
2192 }
2193
2194 void ChromeContentBrowserClient::ResourceDispatcherHostCreated() {
2195   return g_browser_process->ResourceDispatcherHostCreated();
2196 }
2197
2198 // TODO(tommi): Rename from Get to Create.
2199 content::SpeechRecognitionManagerDelegate*
2200     ChromeContentBrowserClient::GetSpeechRecognitionManagerDelegate() {
2201 #if defined(ENABLE_INPUT_SPEECH)
2202   return new speech::ChromeSpeechRecognitionManagerDelegateBubbleUI();
2203 #else
2204   // Platforms who don't implement x-webkit-speech (a.k.a INPUT_SPEECH) just
2205   // need the base delegate without the bubble UI.
2206   return new speech::ChromeSpeechRecognitionManagerDelegate();
2207 #endif
2208 }
2209
2210 net::NetLog* ChromeContentBrowserClient::GetNetLog() {
2211   return g_browser_process->net_log();
2212 }
2213
2214 AccessTokenStore* ChromeContentBrowserClient::CreateAccessTokenStore() {
2215   return new ChromeAccessTokenStore();
2216 }
2217
2218 bool ChromeContentBrowserClient::IsFastShutdownPossible() {
2219   return true;
2220 }
2221
2222 void ChromeContentBrowserClient::OverrideWebkitPrefs(
2223     RenderViewHost* rvh, const GURL& url, WebPreferences* web_prefs) {
2224   Profile* profile = Profile::FromBrowserContext(
2225       rvh->GetProcess()->GetBrowserContext());
2226   PrefService* prefs = profile->GetPrefs();
2227
2228   // Fill per-script font preferences. These are not registered on Android
2229   // - http://crbug.com/308033.
2230 #if !defined(OS_ANDROID)
2231   FillFontFamilyMap(prefs, prefs::kWebKitStandardFontFamilyMap,
2232                     &web_prefs->standard_font_family_map);
2233   FillFontFamilyMap(prefs, prefs::kWebKitFixedFontFamilyMap,
2234                     &web_prefs->fixed_font_family_map);
2235   FillFontFamilyMap(prefs, prefs::kWebKitSerifFontFamilyMap,
2236                     &web_prefs->serif_font_family_map);
2237   FillFontFamilyMap(prefs, prefs::kWebKitSansSerifFontFamilyMap,
2238                     &web_prefs->sans_serif_font_family_map);
2239   FillFontFamilyMap(prefs, prefs::kWebKitCursiveFontFamilyMap,
2240                     &web_prefs->cursive_font_family_map);
2241   FillFontFamilyMap(prefs, prefs::kWebKitFantasyFontFamilyMap,
2242                     &web_prefs->fantasy_font_family_map);
2243   FillFontFamilyMap(prefs, prefs::kWebKitPictographFontFamilyMap,
2244                     &web_prefs->pictograph_font_family_map);
2245 #endif
2246
2247   web_prefs->default_font_size =
2248       prefs->GetInteger(prefs::kWebKitDefaultFontSize);
2249   web_prefs->default_fixed_font_size =
2250       prefs->GetInteger(prefs::kWebKitDefaultFixedFontSize);
2251   web_prefs->minimum_font_size =
2252       prefs->GetInteger(prefs::kWebKitMinimumFontSize);
2253   web_prefs->minimum_logical_font_size =
2254       prefs->GetInteger(prefs::kWebKitMinimumLogicalFontSize);
2255
2256   web_prefs->default_encoding = prefs->GetString(prefs::kDefaultCharset);
2257
2258   web_prefs->javascript_can_open_windows_automatically =
2259       prefs->GetBoolean(prefs::kWebKitJavascriptCanOpenWindowsAutomatically);
2260   web_prefs->dom_paste_enabled =
2261       prefs->GetBoolean(prefs::kWebKitDomPasteEnabled);
2262   web_prefs->shrinks_standalone_images_to_fit =
2263       prefs->GetBoolean(prefs::kWebKitShrinksStandaloneImagesToFit);
2264   const base::DictionaryValue* inspector_settings =
2265       prefs->GetDictionary(prefs::kWebKitInspectorSettings);
2266   if (inspector_settings) {
2267     for (base::DictionaryValue::Iterator iter(*inspector_settings);
2268          !iter.IsAtEnd();
2269          iter.Advance()) {
2270       std::string value;
2271       if (iter.value().GetAsString(&value)) {
2272           web_prefs->inspector_settings.push_back(
2273               std::make_pair(iter.key(), value));
2274       }
2275     }
2276   }
2277   web_prefs->tabs_to_links = prefs->GetBoolean(prefs::kWebkitTabsToLinks);
2278
2279   if (!prefs->GetBoolean(prefs::kWebKitJavascriptEnabled))
2280     web_prefs->javascript_enabled = false;
2281   if (!prefs->GetBoolean(prefs::kWebKitWebSecurityEnabled))
2282     web_prefs->web_security_enabled = false;
2283   if (!prefs->GetBoolean(prefs::kWebKitPluginsEnabled))
2284     web_prefs->plugins_enabled = false;
2285   if (!prefs->GetBoolean(prefs::kWebKitJavaEnabled))
2286     web_prefs->java_enabled = false;
2287   web_prefs->loads_images_automatically =
2288       prefs->GetBoolean(prefs::kWebKitLoadsImagesAutomatically);
2289
2290   if (prefs->GetBoolean(prefs::kDisable3DAPIs))
2291     web_prefs->experimental_webgl_enabled = false;
2292
2293   web_prefs->allow_displaying_insecure_content =
2294       prefs->GetBoolean(prefs::kWebKitAllowDisplayingInsecureContent);
2295   web_prefs->allow_running_insecure_content =
2296       prefs->GetBoolean(prefs::kWebKitAllowRunningInsecureContent);
2297 #if defined(OS_ANDROID)
2298   web_prefs->font_scale_factor =
2299       static_cast<float>(prefs->GetDouble(prefs::kWebKitFontScaleFactor));
2300   web_prefs->device_scale_adjustment = GetDeviceScaleAdjustment();
2301   web_prefs->force_enable_zoom =
2302       prefs->GetBoolean(prefs::kWebKitForceEnableZoom);
2303 #endif
2304
2305 #if defined(OS_ANDROID)
2306   web_prefs->password_echo_enabled =
2307       prefs->GetBoolean(prefs::kWebKitPasswordEchoEnabled);
2308 #else
2309   web_prefs->password_echo_enabled = browser_defaults::kPasswordEchoEnabled;
2310 #endif
2311
2312   web_prefs->asynchronous_spell_checking_enabled = true;
2313   web_prefs->unified_textchecker_enabled = true;
2314
2315   web_prefs->uses_universal_detector =
2316       prefs->GetBoolean(prefs::kWebKitUsesUniversalDetector);
2317   web_prefs->text_areas_are_resizable =
2318       prefs->GetBoolean(prefs::kWebKitTextAreasAreResizable);
2319   web_prefs->hyperlink_auditing_enabled =
2320       prefs->GetBoolean(prefs::kEnableHyperlinkAuditing);
2321
2322   // Make sure we will set the default_encoding with canonical encoding name.
2323   web_prefs->default_encoding =
2324       CharacterEncoding::GetCanonicalEncodingNameByAliasName(
2325           web_prefs->default_encoding);
2326   if (web_prefs->default_encoding.empty()) {
2327     prefs->ClearPref(prefs::kDefaultCharset);
2328     web_prefs->default_encoding = prefs->GetString(prefs::kDefaultCharset);
2329   }
2330   DCHECK(!web_prefs->default_encoding.empty());
2331
2332   WebContents* web_contents = WebContents::FromRenderViewHost(rvh);
2333   extensions::ViewType view_type = extensions::GetViewType(web_contents);
2334   ExtensionService* service =
2335       extensions::ExtensionSystem::Get(profile)->extension_service();
2336   if (service) {
2337     const GURL& site_url = rvh->GetSiteInstance()->GetSiteURL();
2338     const Extension* extension =
2339         service->extensions()->GetByID(site_url.host());
2340     // Ensure that we are only granting extension preferences to URLs with
2341     // the correct scheme. Without this check, chrome-guest:// schemes used by
2342     // webview tags as well as hosts that happen to match the id of an
2343     // installed extension would get the wrong preferences.
2344     if (site_url.SchemeIs(extensions::kExtensionScheme)) {
2345       extension_webkit_preferences::SetPreferences(
2346           extension, view_type, web_prefs);
2347     }
2348   }
2349
2350   if (view_type == extensions::VIEW_TYPE_NOTIFICATION) {
2351     web_prefs->allow_scripts_to_close_windows = true;
2352   } else if (view_type == extensions::VIEW_TYPE_BACKGROUND_CONTENTS) {
2353     // Disable all kinds of acceleration for background pages.
2354     // See http://crbug.com/96005 and http://crbug.com/96006
2355     web_prefs->force_compositing_mode = false;
2356     web_prefs->accelerated_compositing_enabled = false;
2357   }
2358
2359 #if defined(OS_CHROMEOS)
2360   // Override the default of suppressing HW compositing for WebUI pages for the
2361   // file manager, which is implemented using WebUI but wants HW acceleration
2362   // for video decode & render.
2363   if (url.SchemeIs(extensions::kExtensionScheme) &&
2364       url.host() == file_manager::kFileManagerAppId) {
2365     web_prefs->accelerated_compositing_enabled = true;
2366     web_prefs->accelerated_2d_canvas_enabled = true;
2367   }
2368 #endif
2369 }
2370
2371 void ChromeContentBrowserClient::UpdateInspectorSetting(
2372     RenderViewHost* rvh, const std::string& key, const std::string& value) {
2373   content::BrowserContext* browser_context =
2374       rvh->GetProcess()->GetBrowserContext();
2375   DictionaryPrefUpdate update(
2376       Profile::FromBrowserContext(browser_context)->GetPrefs(),
2377       prefs::kWebKitInspectorSettings);
2378   base::DictionaryValue* inspector_settings = update.Get();
2379   inspector_settings->SetWithoutPathExpansion(
2380       key, base::Value::CreateStringValue(value));
2381 }
2382
2383 void ChromeContentBrowserClient::BrowserURLHandlerCreated(
2384     BrowserURLHandler* handler) {
2385   // Add the default URL handlers.
2386   handler->AddHandlerPair(&ExtensionWebUI::HandleChromeURLOverride,
2387                           BrowserURLHandler::null_handler());
2388   handler->AddHandlerPair(BrowserURLHandler::null_handler(),
2389                           &ExtensionWebUI::HandleChromeURLOverrideReverse);
2390
2391   // about: handler. Must come before chrome: handler, since it will
2392   // rewrite about: urls to chrome: URLs and then expect chrome: to
2393   // actually handle them.
2394   handler->AddHandlerPair(&WillHandleBrowserAboutURL,
2395                           BrowserURLHandler::null_handler());
2396
2397   // Handler to rewrite chrome://newtab for InstantExtended.
2398   handler->AddHandlerPair(&chrome::HandleNewTabURLRewrite,
2399                           &chrome::HandleNewTabURLReverseRewrite);
2400
2401   // chrome: & friends.
2402   handler->AddHandlerPair(&HandleWebUI, &HandleWebUIReverse);
2403 }
2404
2405 void ChromeContentBrowserClient::ClearCache(RenderViewHost* rvh) {
2406   Profile* profile = Profile::FromBrowserContext(
2407       rvh->GetSiteInstance()->GetProcess()->GetBrowserContext());
2408   BrowsingDataRemover* remover =
2409       BrowsingDataRemover::CreateForUnboundedRange(profile);
2410   remover->Remove(BrowsingDataRemover::REMOVE_CACHE,
2411                   BrowsingDataHelper::UNPROTECTED_WEB);
2412   // BrowsingDataRemover takes care of deleting itself when done.
2413 }
2414
2415 void ChromeContentBrowserClient::ClearCookies(RenderViewHost* rvh) {
2416   Profile* profile = Profile::FromBrowserContext(
2417       rvh->GetSiteInstance()->GetProcess()->GetBrowserContext());
2418   BrowsingDataRemover* remover =
2419       BrowsingDataRemover::CreateForUnboundedRange(profile);
2420   int remove_mask = BrowsingDataRemover::REMOVE_SITE_DATA;
2421   remover->Remove(remove_mask, BrowsingDataHelper::UNPROTECTED_WEB);
2422   // BrowsingDataRemover takes care of deleting itself when done.
2423 }
2424
2425 base::FilePath ChromeContentBrowserClient::GetDefaultDownloadDirectory() {
2426   return DownloadPrefs::GetDefaultDownloadDirectory();
2427 }
2428
2429 std::string ChromeContentBrowserClient::GetDefaultDownloadName() {
2430   return l10n_util::GetStringUTF8(IDS_DEFAULT_DOWNLOAD_FILENAME);
2431 }
2432
2433 void ChromeContentBrowserClient::DidCreatePpapiPlugin(
2434     content::BrowserPpapiHost* browser_host) {
2435 #if defined(ENABLE_PLUGINS)
2436   browser_host->GetPpapiHost()->AddHostFactoryFilter(
2437       scoped_ptr<ppapi::host::HostFactory>(
2438           new ChromeBrowserPepperHostFactory(browser_host)));
2439 #endif
2440 }
2441
2442 content::BrowserPpapiHost*
2443     ChromeContentBrowserClient::GetExternalBrowserPpapiHost(
2444         int plugin_process_id) {
2445   BrowserChildProcessHostIterator iter(PROCESS_TYPE_NACL_LOADER);
2446   while (!iter.Done()) {
2447     nacl::NaClProcessHost* host = static_cast<nacl::NaClProcessHost*>(
2448         iter.GetDelegate());
2449     if (host->process() &&
2450         host->process()->GetData().id == plugin_process_id) {
2451       // Found the plugin.
2452       return host->browser_ppapi_host();
2453     }
2454     ++iter;
2455   }
2456   return NULL;
2457 }
2458
2459 bool ChromeContentBrowserClient::SupportsBrowserPlugin(
2460     content::BrowserContext* browser_context, const GURL& site_url) {
2461   if (CommandLine::ForCurrentProcess()->HasSwitch(
2462           switches::kEnableBrowserPluginForAllViewTypes))
2463     return true;
2464
2465   if (content::HasWebUIScheme(site_url))
2466     return true;
2467
2468   Profile* profile = Profile::FromBrowserContext(browser_context);
2469   ExtensionService* service =
2470       extensions::ExtensionSystem::Get(profile)->extension_service();
2471   if (!service)
2472     return false;
2473
2474   const Extension* extension =
2475       service->extensions()->GetExtensionOrAppByURL(site_url);
2476   if (!extension)
2477     return false;
2478
2479   return extension->HasAPIPermission(APIPermission::kWebView) ||
2480          extension->HasAPIPermission(APIPermission::kAdView);
2481 }
2482
2483 bool ChromeContentBrowserClient::AllowPepperSocketAPI(
2484     content::BrowserContext* browser_context,
2485     const GURL& url,
2486     bool private_api,
2487     const content::SocketPermissionRequest* params) {
2488 #if defined(ENABLE_PLUGINS)
2489   Profile* profile = Profile::FromBrowserContext(browser_context);
2490   const extensions::ExtensionSet* extension_set = NULL;
2491   if (profile) {
2492     extension_set = extensions::ExtensionSystem::Get(profile)->
2493         extension_service()->extensions();
2494   }
2495
2496   if (private_api) {
2497     // Access to private socket APIs is controlled by the whitelist.
2498     if (IsExtensionOrSharedModuleWhitelisted(url, extension_set,
2499                                              allowed_socket_origins_)) {
2500       return true;
2501     }
2502   } else {
2503     // Access to public socket APIs is controlled by extension permissions.
2504     if (url.is_valid() && url.SchemeIs(extensions::kExtensionScheme) &&
2505         extension_set) {
2506       const Extension* extension = extension_set->GetByID(url.host());
2507       if (extension) {
2508         if (params) {
2509           extensions::SocketPermission::CheckParam check_params(
2510               params->type, params->host, params->port);
2511           if (extensions::PermissionsData::CheckAPIPermissionWithParam(
2512                   extension, extensions::APIPermission::kSocket,
2513                   &check_params)) {
2514             return true;
2515           }
2516         } else {
2517           if (extensions::PermissionsData::HasAPIPermission(
2518                   extension, extensions::APIPermission::kSocket)) {
2519             return true;
2520           }
2521         }
2522       }
2523     }
2524   }
2525
2526   // Allow both public and private APIs if the command line says so.
2527   return IsHostAllowedByCommandLine(url, extension_set,
2528                                     switches::kAllowNaClSocketAPI);
2529 #else
2530   return false;
2531 #endif
2532 }
2533
2534 ui::SelectFilePolicy* ChromeContentBrowserClient::CreateSelectFilePolicy(
2535     WebContents* web_contents) {
2536   return new ChromeSelectFilePolicy(web_contents);
2537 }
2538
2539 void ChromeContentBrowserClient::GetAdditionalAllowedSchemesForFileSystem(
2540     std::vector<std::string>* additional_allowed_schemes) {
2541   ContentBrowserClient::GetAdditionalAllowedSchemesForFileSystem(
2542       additional_allowed_schemes);
2543   additional_allowed_schemes->push_back(content::kChromeDevToolsScheme);
2544   additional_allowed_schemes->push_back(content::kChromeUIScheme);
2545   additional_allowed_schemes->push_back(extensions::kExtensionScheme);
2546 }
2547
2548 void ChromeContentBrowserClient::GetURLRequestAutoMountHandlers(
2549     std::vector<fileapi::URLRequestAutoMountHandler>* handlers) {
2550 }
2551
2552 void ChromeContentBrowserClient::GetAdditionalFileSystemBackends(
2553     content::BrowserContext* browser_context,
2554     const base::FilePath& storage_partition_path,
2555     ScopedVector<fileapi::FileSystemBackend>* additional_backends) {
2556 #if !defined(OS_ANDROID)
2557   base::SequencedWorkerPool* pool = content::BrowserThread::GetBlockingPool();
2558   additional_backends->push_back(new MediaFileSystemBackend(
2559       storage_partition_path,
2560       pool->GetSequencedTaskRunner(pool->GetNamedSequenceToken(
2561           MediaFileSystemBackend::kMediaTaskRunnerName)).get()));
2562 #endif
2563 #if defined(OS_CHROMEOS)
2564   fileapi::ExternalMountPoints* external_mount_points =
2565       content::BrowserContext::GetMountPoints(browser_context);
2566   DCHECK(external_mount_points);
2567   chromeos::FileSystemBackend* backend =
2568       new chromeos::FileSystemBackend(
2569           new drive::FileSystemBackendDelegate,
2570           browser_context->GetSpecialStoragePolicy(),
2571           external_mount_points,
2572           fileapi::ExternalMountPoints::GetSystemInstance());
2573   backend->AddSystemMountPoints();
2574   DCHECK(backend->CanHandleType(fileapi::kFileSystemTypeExternal));
2575   additional_backends->push_back(backend);
2576 #endif
2577
2578   additional_backends->push_back(
2579       new sync_file_system::SyncFileSystemBackend(
2580           Profile::FromBrowserContext(browser_context)));
2581
2582 #if defined(ENABLE_SERVICE_DISCOVERY)
2583   if (CommandLine::ForCurrentProcess()->HasSwitch(
2584           switches::kEnablePrivetStorage)) {
2585     additional_backends->push_back(
2586         new local_discovery::PrivetFileSystemBackend(
2587             fileapi::ExternalMountPoints::GetSystemInstance(),
2588             browser_context));
2589   }
2590 #endif
2591 }
2592
2593 #if defined(OS_POSIX) && !defined(OS_MACOSX)
2594 void ChromeContentBrowserClient::GetAdditionalMappedFilesForChildProcess(
2595     const CommandLine& command_line,
2596     int child_process_id,
2597     std::vector<FileDescriptorInfo>* mappings) {
2598 #if defined(OS_ANDROID)
2599   base::FilePath data_path;
2600   PathService::Get(ui::DIR_RESOURCE_PAKS_ANDROID, &data_path);
2601   DCHECK(!data_path.empty());
2602
2603   int flags = base::File::FLAG_OPEN | base::File::FLAG_READ;
2604   base::FilePath chrome_resources_pak =
2605       data_path.AppendASCII("chrome_100_percent.pak");
2606   base::File file(chrome_resources_pak, flags);
2607   DCHECK(file.IsValid());
2608   mappings->push_back(FileDescriptorInfo(kAndroidChrome100PercentPakDescriptor,
2609                                          FileDescriptor(file.Pass())));
2610
2611   const std::string locale = GetApplicationLocale();
2612   base::FilePath locale_pak = ResourceBundle::GetSharedInstance().
2613       GetLocaleFilePath(locale, false);
2614   file.Initialize(locale_pak, flags);
2615   DCHECK(file.IsValid());
2616   mappings->push_back(FileDescriptorInfo(kAndroidLocalePakDescriptor,
2617                                          FileDescriptor(file.Pass())));
2618
2619   base::FilePath resources_pack_path;
2620   PathService::Get(chrome::FILE_RESOURCES_PACK, &resources_pack_path);
2621   file.Initialize(resources_pack_path, flags);
2622   DCHECK(file.IsValid());
2623   mappings->push_back(FileDescriptorInfo(kAndroidUIResourcesPakDescriptor,
2624                                          FileDescriptor(file.Pass())));
2625
2626   if (breakpad::IsCrashReporterEnabled()) {
2627     file = breakpad::CrashDumpManager::GetInstance()->CreateMinidumpFile(
2628                child_process_id);
2629     if (file.IsValid()) {
2630       mappings->push_back(FileDescriptorInfo(kAndroidMinidumpDescriptor,
2631                                              FileDescriptor(file.Pass())));
2632     } else {
2633       LOG(ERROR) << "Failed to create file for minidump, crash reporting will "
2634                  "be disabled for this process.";
2635     }
2636   }
2637
2638 #else
2639   int crash_signal_fd = GetCrashSignalFD(command_line);
2640   if (crash_signal_fd >= 0) {
2641     mappings->push_back(FileDescriptorInfo(kCrashDumpSignal,
2642                                            FileDescriptor(crash_signal_fd,
2643                                                           false)));
2644   }
2645 #endif  // defined(OS_ANDROID)
2646 }
2647 #endif  // defined(OS_POSIX) && !defined(OS_MACOSX)
2648
2649 #if defined(OS_WIN)
2650 const wchar_t* ChromeContentBrowserClient::GetResourceDllName() {
2651   return chrome::kBrowserResourcesDll;
2652 }
2653
2654 void ChromeContentBrowserClient::PreSpawnRenderer(
2655     sandbox::TargetPolicy* policy,
2656     bool* success) {
2657   // This code is duplicated in nacl_exe_win_64.cc.
2658   // Allow the server side of a pipe restricted to the "chrome.nacl."
2659   // namespace so that it cannot impersonate other system or other chrome
2660   // service pipes.
2661   sandbox::ResultCode result = policy->AddRule(
2662       sandbox::TargetPolicy::SUBSYS_NAMED_PIPES,
2663       sandbox::TargetPolicy::NAMEDPIPES_ALLOW_ANY,
2664       L"\\\\.\\pipe\\chrome.nacl.*");
2665   if (result != sandbox::SBOX_ALL_OK) {
2666     *success = false;
2667     return;
2668   }
2669
2670   // Renderers need to send named pipe handles and shared memory
2671   // segment handles to NaCl loader processes.
2672   result = policy->AddRule(sandbox::TargetPolicy::SUBSYS_HANDLES,
2673                            sandbox::TargetPolicy::HANDLES_DUP_ANY,
2674                            L"File");
2675   if (result != sandbox::SBOX_ALL_OK) {
2676     *success = false;
2677     return;
2678   }
2679 }
2680 #endif
2681
2682 bool ChromeContentBrowserClient::IsPluginAllowedToCallRequestOSFileHandle(
2683     content::BrowserContext* browser_context,
2684     const GURL& url) {
2685 #if defined(ENABLE_PLUGINS)
2686   Profile* profile = Profile::FromBrowserContext(browser_context);
2687   const extensions::ExtensionSet* extension_set = NULL;
2688   if (profile) {
2689     extension_set = extensions::ExtensionSystem::Get(profile)->
2690         extension_service()->extensions();
2691   }
2692   // TODO(teravest): Populate allowed_file_handle_origins_ when FileIO is moved
2693   // from the renderer to the browser.
2694   return IsExtensionOrSharedModuleWhitelisted(url, extension_set,
2695                                               allowed_file_handle_origins_) ||
2696          IsHostAllowedByCommandLine(url, extension_set,
2697                                     switches::kAllowNaClFileHandleAPI);
2698 #else
2699   return false;
2700 #endif
2701 }
2702
2703 bool ChromeContentBrowserClient::IsPluginAllowedToUseDevChannelAPIs() {
2704 #if defined(ENABLE_PLUGINS)
2705   // Allow access for tests.
2706   if (CommandLine::ForCurrentProcess()->HasSwitch(
2707           switches::kEnablePepperTesting)) {
2708     return true;
2709   }
2710
2711   chrome::VersionInfo::Channel channel = chrome::VersionInfo::GetChannel();
2712   // Allow dev channel APIs to be used on "Canary", "Dev", and "Unknown"
2713   // releases of Chrome. Permitting "Unknown" allows these APIs to be used on
2714   // Chromium builds as well.
2715   return channel <= chrome::VersionInfo::CHANNEL_DEV;
2716 #else
2717   return false;
2718 #endif
2719 }
2720
2721 #if defined(ENABLE_WEBRTC)
2722 void ChromeContentBrowserClient::MaybeCopyDisableWebRtcEncryptionSwitch(
2723     CommandLine* to_command_line,
2724     const CommandLine& from_command_line,
2725     VersionInfo::Channel channel) {
2726 #if defined(OS_ANDROID)
2727   const VersionInfo::Channel kMaxDisableEncryptionChannel =
2728       VersionInfo::CHANNEL_BETA;
2729 #else
2730   const VersionInfo::Channel kMaxDisableEncryptionChannel =
2731       VersionInfo::CHANNEL_DEV;
2732 #endif
2733   if (channel <= kMaxDisableEncryptionChannel) {
2734     static const char* const kWebRtcDevSwitchNames[] = {
2735       switches::kDisableWebRtcEncryption,
2736     };
2737     to_command_line->CopySwitchesFrom(from_command_line,
2738                                       kWebRtcDevSwitchNames,
2739                                       arraysize(kWebRtcDevSwitchNames));
2740   }
2741 }
2742 #endif  // defined(ENABLE_WEBRTC)
2743
2744 }  // namespace chrome