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