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