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/files/scoped_file.h"
  14 #include "base/i18n/icu_util.h"
  15 #include "base/lazy_instance.h"
  16 #include "base/path_service.h"
  17 #include "base/prefs/pref_service.h"
  18 #include "base/prefs/scoped_user_pref_update.h"
  19 #include "base/strings/string_number_conversions.h"
  20 #include "base/strings/utf_string_conversions.h"
  21 #include "base/threading/sequenced_worker_pool.h"
  22 #include "chrome/browser/browser_about_handler.h"
  23 #include "chrome/browser/browser_process.h"
  24 #include "chrome/browser/browser_shutdown.h"
  25 #include "chrome/browser/browsing_data/browsing_data_helper.h"
  26 #include "chrome/browser/browsing_data/browsing_data_remover.h"
  27 #include "chrome/browser/character_encoding.h"
  28 #include "chrome/browser/chrome_content_browser_client_parts.h"
  29 #include "chrome/browser/chrome_net_benchmarking_message_filter.h"
  30 #include "chrome/browser/chrome_quota_permission_context.h"
  31 #include "chrome/browser/content_settings/cookie_settings.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/font_family_cache.h"
  36 #include "chrome/browser/geolocation/chrome_access_token_store.h"
  37 #include "chrome/browser/geolocation/geolocation_permission_context.h"
  38 #include "chrome/browser/geolocation/geolocation_permission_context_factory.h"
  39 #include "chrome/browser/media/media_capture_devices_dispatcher.h"
  40 #include "chrome/browser/media/midi_permission_context.h"
  41 #include "chrome/browser/media/midi_permission_context_factory.h"
  42 #include "chrome/browser/metrics/chrome_browser_main_extra_parts_metrics.h"
  43 #include "chrome/browser/nacl_host/nacl_browser_delegate_impl.h"
  44 #include "chrome/browser/net/chrome_net_log.h"
  45 #include "chrome/browser/notifications/desktop_notification_service.h"
  46 #include "chrome/browser/notifications/desktop_notification_service_factory.h"
  47 #include "chrome/browser/notifications/platform_notification_service_impl.h"
  48 #include "chrome/browser/platform_util.h"
  49 #include "chrome/browser/prerender/prerender_final_status.h"
  50 #include "chrome/browser/prerender/prerender_manager.h"
  51 #include "chrome/browser/prerender/prerender_manager_factory.h"
  52 #include "chrome/browser/prerender/prerender_message_filter.h"
  53 #include "chrome/browser/prerender/prerender_tracker.h"
  54 #include "chrome/browser/printing/printing_message_filter.h"
  55 #include "chrome/browser/profiles/chrome_browser_main_extra_parts_profiles.h"
  56 #include "chrome/browser/profiles/profile.h"
  57 #include "chrome/browser/profiles/profile_io_data.h"
  58 #include "chrome/browser/renderer_host/chrome_render_message_filter.h"
  59 #include "chrome/browser/renderer_host/pepper/chrome_browser_pepper_host_factory.h"
  60 #include "chrome/browser/search/instant_service.h"
  61 #include "chrome/browser/search/instant_service_factory.h"
  62 #include "chrome/browser/search/search.h"
  63 #include "chrome/browser/search_engines/search_provider_install_state_message_filter.h"
  64 #include "chrome/browser/services/gcm/push_messaging_permission_context.h"
  65 #include "chrome/browser/services/gcm/push_messaging_permission_context_factory.h"
  66 #include "chrome/browser/signin/principals_message_filter.h"
  67 #include "chrome/browser/speech/chrome_speech_recognition_manager_delegate.h"
  68 #include "chrome/browser/speech/tts_controller.h"
  69 #include "chrome/browser/speech/tts_message_filter.h"
  70 #include "chrome/browser/ssl/ssl_add_certificate.h"
  71 #include "chrome/browser/ssl/ssl_blocking_page.h"
  72 #include "chrome/browser/ssl/ssl_client_certificate_selector.h"
  73 #include "chrome/browser/ssl/ssl_error_handler.h"
  74 #include "chrome/browser/sync_file_system/local/sync_file_system_backend.h"
  75 #include "chrome/browser/tab_contents/tab_util.h"
  76 #include "chrome/browser/ui/blocked_content/blocked_window_params.h"
  77 #include "chrome/browser/ui/blocked_content/popup_blocker_tab_helper.h"
  78 #include "chrome/browser/ui/chrome_select_file_policy.h"
  79 #include "chrome/browser/ui/sync/sync_promo_ui.h"
  80 #include "chrome/browser/ui/tab_contents/chrome_web_contents_view_delegate.h"
  81 #include "chrome/browser/ui/webui/chrome_web_ui_controller_factory.h"
  82 #include "chrome/common/chrome_constants.h"
  83 #include "chrome/common/chrome_paths.h"
  84 #include "chrome/common/chrome_switches.h"
  85 #include "chrome/common/env_vars.h"
  86 #include "chrome/common/logging_chrome.h"
  87 #include "chrome/common/pepper_permission_util.h"
  88 #include "chrome/common/pref_names.h"
  89 #include "chrome/common/render_messages.h"
  90 #include "chrome/common/url_constants.h"
  91 #include "chrome/grit/generated_resources.h"
  92 #include "chrome/installer/util/google_update_settings.h"
  93 #include "chromeos/chromeos_constants.h"
  94 #include "components/cdm/browser/cdm_message_filter_android.h"
  95 #include "components/cloud_devices/common/cloud_devices_switches.h"
  96 #include "components/content_settings/core/browser/content_settings_provider.h"
  97 #include "components/content_settings/core/browser/content_settings_utils.h"
  98 #include "components/content_settings/core/browser/host_content_settings_map.h"
  99 #include "components/content_settings/core/common/content_settings.h"
 100 #include "components/content_settings/core/common/permission_request_id.h"
 101 #include "components/dom_distiller/core/url_constants.h"
 102 #include "components/google/core/browser/google_util.h"
 103 #include "components/metrics/client_info.h"
 104 #include "components/pref_registry/pref_registry_syncable.h"
 105 #include "components/signin/core/common/profile_management_switches.h"
 106 #include "components/translate/core/common/translate_switches.h"
 107 #include "content/public/browser/browser_child_process_host.h"
 108 #include "content/public/browser/browser_main_parts.h"
 109 #include "content/public/browser/browser_ppapi_host.h"
 110 #include "content/public/browser/browser_thread.h"
 111 #include "content/public/browser/browser_url_handler.h"
 112 #include "content/public/browser/child_process_data.h"
 113 #include "content/public/browser/child_process_security_policy.h"
 114 #include "content/public/browser/permission_type.h"
 115 #include "content/public/browser/render_frame_host.h"
 116 #include "content/public/browser/render_process_host.h"
 117 #include "content/public/browser/render_view_host.h"
 118 #include "content/public/browser/resource_context.h"
 119 #include "content/public/browser/site_instance.h"
 120 #include "content/public/browser/web_contents.h"
 121 #include "content/public/common/child_process_host.h"
 122 #include "content/public/common/content_descriptors.h"
 123 #include "content/public/common/url_utils.h"
 124 #include "content/public/common/web_preferences.h"
 125 #include "gin/public/isolate_holder.h"
 126 #include "net/base/mime_util.h"
 127 #include "net/cookies/canonical_cookie.h"
 128 #include "net/cookies/cookie_options.h"
 129 #include "net/ssl/ssl_cert_request_info.h"
 130 #include "ppapi/host/ppapi_host.h"
 131 #include "storage/browser/fileapi/external_mount_points.h"
 132 #include "ui/base/l10n/l10n_util.h"
 133 #include "ui/base/resource/resource_bundle.h"
 134 #include "ui/resources/grit/ui_resources.h"
 135
 136 #if defined(OS_WIN)
 137 #include "base/win/windows_version.h"
 138 #include "chrome/browser/chrome_browser_main_win.h"
 139 #include "sandbox/win/src/sandbox_policy.h"
 140 #elif defined(OS_MACOSX)
 141 #include "chrome/browser/chrome_browser_main_mac.h"
 142 #include "chrome/browser/spellchecker/spellcheck_message_filter_mac.h"
 143 #include "components/crash/app/breakpad_mac.h"
 144 #elif defined(OS_CHROMEOS)
 145 #include "chrome/browser/chromeos/chrome_browser_main_chromeos.h"
 146 #include "chrome/browser/chromeos/drive/fileapi/file_system_backend_delegate.h"
 147 #include "chrome/browser/chromeos/file_manager/app_id.h"
 148 #include "chrome/browser/chromeos/file_system_provider/fileapi/backend_delegate.h"
 149 #include "chrome/browser/chromeos/fileapi/file_system_backend.h"
 150 #include "chrome/browser/chromeos/fileapi/mtp_file_system_backend_delegate.h"
 151 #include "chrome/browser/chromeos/login/startup_utils.h"
 152 #include "chrome/browser/chromeos/system/input_device_settings.h"
 153 #include "chromeos/chromeos_switches.h"
 154 #include "components/user_manager/user_manager.h"
 155 #elif defined(OS_LINUX)
 156 #include "chrome/browser/chrome_browser_main_linux.h"
 157 #elif defined(OS_ANDROID)
 158 #include "chrome/browser/android/new_tab_page_url_handler.h"
 159 #include "chrome/browser/android/webapps/single_tab_mode_tab_helper.h"
 160 #include "chrome/browser/chrome_browser_main_android.h"
 161 #include "chrome/browser/media/protected_media_identifier_permission_context.h"
 162 #include "chrome/browser/media/protected_media_identifier_permission_context_factory.h"
 163 #include "chrome/common/descriptors_android.h"
 164 #include "components/crash/browser/crash_dump_manager_android.h"
 165 #elif defined(OS_POSIX)
 166 #include "chrome/browser/chrome_browser_main_posix.h"
 167 #endif
 168
 169 #if defined(OS_POSIX) && !defined(OS_MACOSX)
 170 #include "base/debug/leak_annotations.h"
 171 #include "components/crash/app/breakpad_linux.h"
 172 #include "components/crash/browser/crash_handler_host_linux.h"
 173 #endif
 174
 175 #if defined(OS_ANDROID)
 176 #include "ui/base/ui_base_paths.h"
 177 #include "ui/gfx/android/device_display_info.h"
 178 #endif
 179
 180 #if defined(OS_ANDROID)
 181 #include "chrome/browser/android/dev_tools_manager_delegate_android.h"
 182 #else
 183 #include "chrome/browser/devtools/chrome_devtools_manager_delegate.h"
 184 #endif
 185
 186 #if !defined(OS_CHROMEOS)
 187 #include "chrome/browser/signin/chrome_signin_client.h"
 188 #include "chrome/browser/signin/chrome_signin_client_factory.h"
 189 #include "chrome/browser/signin/signin_manager_factory.h"
 190 #include "components/signin/core/browser/signin_manager.h"
 191 #endif
 192
 193 #if defined(TOOLKIT_VIEWS)
 194 #include "chrome/browser/ui/views/chrome_browser_main_extra_parts_views.h"
 195 #endif
 196
 197 #if defined(USE_ASH)
 198 #include "chrome/browser/ui/views/ash/chrome_browser_main_extra_parts_ash.h"
 199 #endif
 200
 201 #if defined(USE_AURA)
 202 #include "chrome/browser/ui/aura/chrome_browser_main_extra_parts_aura.h"
 203 #endif
 204
 205 #if defined(USE_X11)
 206 #include "chrome/browser/chrome_browser_main_extra_parts_x11.h"
 207 #endif
 208
 209 #if defined(ENABLE_CAPTIVE_PORTAL_DETECTION)
 210 #include "chrome/browser/captive_portal/captive_portal_tab_helper.h"
 211 #endif
 212
 213 #if !defined(DISABLE_NACL)
 214 #include "components/nacl/browser/nacl_browser.h"
 215 #include "components/nacl/browser/nacl_host_message_filter.h"
 216 #include "components/nacl/browser/nacl_process_host.h"
 217 #include "components/nacl/common/nacl_process_type.h"
 218 #include "components/nacl/common/nacl_switches.h"
 219 #endif
 220
 221 #if defined(ENABLE_EXTENSIONS)
 222 #include "chrome/browser/extensions/chrome_content_browser_client_extensions_part.h"
 223 #include "chrome/browser/extensions/extension_util.h"
 224 #include "chrome/browser/media/cast_transport_host_filter.h"
 225 #include "chrome/browser/speech/extension_api/tts_engine_extension_api.h"
 226 #include "extensions/browser/extension_registry.h"
 227 #include "extensions/browser/guest_view/guest_view_base.h"
 228 #include "extensions/browser/guest_view/guest_view_manager.h"
 229 #include "extensions/browser/guest_view/web_view/web_view_guest.h"
 230 #include "extensions/browser/guest_view/web_view/web_view_permission_helper.h"
 231 #include "extensions/browser/guest_view/web_view/web_view_renderer_state.h"
 232 #include "extensions/common/constants.h"
 233 #include "extensions/common/extension.h"
 234 #include "extensions/common/extension_set.h"
 235 #include "extensions/common/manifest_handlers/background_info.h"
 236 #include "extensions/common/manifest_handlers/shared_module_info.h"
 237 #include "extensions/common/permissions/permissions_data.h"
 238 #include "extensions/common/permissions/socket_permission.h"
 239 #include "extensions/common/switches.h"
 240 #endif
 241
 242 #if defined(ENABLE_PLUGINS)
 243 #include "chrome/browser/plugins/chrome_content_browser_client_plugins_part.h"
 244 #endif
 245
 246 #if defined(ENABLE_SPELLCHECK)
 247 #include "chrome/browser/spellchecker/spellcheck_message_filter.h"
 248 #endif
 249
 250 #if defined(ENABLE_WEBRTC)
 251 #include "chrome/browser/media/webrtc_logging_handler_host.h"
 252 #endif
 253
 254 using base::FileDescriptor;
 255 using blink::WebWindowFeatures;
 256 using content::AccessTokenStore;
 257 using content::BrowserThread;
 258 using content::BrowserURLHandler;
 259 using content::ChildProcessSecurityPolicy;
 260 using content::QuotaPermissionContext;
 261 using content::RenderFrameHost;
 262 using content::RenderViewHost;
 263 using content::ResourceType;
 264 using content::SiteInstance;
 265 using content::WebContents;
 266 using content::WebPreferences;
 267 using message_center::NotifierId;
 268
 269 #if defined(OS_POSIX)
 270 using content::FileDescriptorInfo;
 271 #endif
 272
 273 #if defined(ENABLE_EXTENSIONS)
 274 using extensions::APIPermission;
 275 using extensions::ChromeContentBrowserClientExtensionsPart;
 276 using extensions::Extension;
 277 using extensions::InfoMap;
 278 using extensions::Manifest;
 279 #endif
 280
 281 #if defined(ENABLE_PLUGINS)
 282 using plugins::ChromeContentBrowserClientPluginsPart;
 283 #endif
 284
 285 namespace {
 286
 287 // Cached version of the locale so we can return the locale on the I/O
 288 // thread.
 289 base::LazyInstance<std::string> g_io_thread_application_locale;
 290
 291 #if defined(ENABLE_PLUGINS)
 292 // TODO(teravest): Add renderer-side API-specific checking for these APIs so
 293 // that blanket permission isn't granted to all dev channel APIs for these.
 294 // http://crbug.com/386743
 295 const char* const kPredefinedAllowedDevChannelOrigins[] = {
 296   "6EAED1924DB611B6EEF2A664BD077BE7EAD33B8F",  // see crbug.com/383937
 297   "4EB74897CB187C7633357C2FE832E0AD6A44883A"   // see crbug.com/383937
 298 };
 299
 300 const char* const kPredefinedAllowedFileHandleOrigins[] = {
 301   "6EAED1924DB611B6EEF2A664BD077BE7EAD33B8F",  // see crbug.com/234789
 302   "4EB74897CB187C7633357C2FE832E0AD6A44883A"   // see crbug.com/234789
 303 };
 304
 305 const char* const kPredefinedAllowedSocketOrigins[] = {
 306   "okddffdblfhhnmhodogpojmfkjmhinfp",  // Test SSH Client
 307   "pnhechapfaindjhompbnflcldabbghjo",  // HTerm App (SSH Client)
 308   "bglhmjfplikpjnfoegeomebmfnkjomhe",  // see crbug.com/122126
 309   "gbchcmhmhahfdphkhkmpfmihenigjmpp",  // Chrome Remote Desktop
 310   "kgngmbheleoaphbjbaiobfdepmghbfah",  // Pre-release Chrome Remote Desktop
 311   "odkaodonbgfohohmklejpjiejmcipmib",  // Dogfood Chrome Remote Desktop
 312   "ojoimpklfciegopdfgeenehpalipignm",  // Chromoting canary
 313   "cbkkbcmdlboombapidmoeolnmdacpkch",  // see crbug.com/129089
 314   "hhnbmknkdabfoieppbbljkhkfjcmcbjh",  // see crbug.com/134099
 315   "mablfbjkhmhkmefkjjacnbaikjkipphg",  // see crbug.com/134099
 316   "pdeelgamlgannhelgoegilelnnojegoh",  // see crbug.com/134099
 317   "cabapfdbkniadpollkckdnedaanlciaj",  // see crbug.com/134099
 318   "mapljbgnjledlpdmlchihnmeclmefbba",  // see crbug.com/134099
 319   "ghbfeebgmiidnnmeobbbaiamklmpbpii",  // see crbug.com/134099
 320   "jdfhpkjeckflbbleddjlpimecpbjdeep",  // see crbug.com/142514
 321   "iabmpiboiopbgfabjmgeedhcmjenhbla",  // see crbug.com/165080
 322   "B7CF8A292249681AF81771650BA4CEEAF19A4560",  // see crbug.com/165080
 323   "7525AF4F66763A70A883C4700529F647B470E4D2",  // see crbug.com/238084
 324   "0B549507088E1564D672F7942EB87CA4DAD73972",  // see crbug.com/238084
 325   "864288364E239573E777D3E0E36864E590E95C74"   // see crbug.com/238084
 326 };
 327 #endif
 328
 329 // Returns a copy of the given url with its host set to given host and path set
 330 // to given path. Other parts of the url will be the same.
 331 GURL ReplaceURLHostAndPath(const GURL& url,
 332                            const std::string& host,
 333                            const std::string& path) {
 334   url::Replacements<char> replacements;
 335   replacements.SetHost(host.c_str(), url::Component(0, host.length()));
 336   replacements.SetPath(path.c_str(), url::Component(0, path.length()));
 337   return url.ReplaceComponents(replacements);
 338 }
 339
 340 // Maps "foo://bar/baz/" to "foo://chrome/bar/baz/".
 341 GURL AddUberHost(const GURL& url) {
 342   const std::string uber_host = chrome::kChromeUIUberHost;
 343   const std::string new_path = url.host() + url.path();
 344
 345   return ReplaceURLHostAndPath(url, uber_host, new_path);
 346 }
 347
 348 // If url->host() is "chrome" and url->path() has characters other than the
 349 // first slash, changes the url from "foo://chrome/bar/" to "foo://bar/" and
 350 // returns true. Otherwise returns false.
 351 bool RemoveUberHost(GURL* url) {
 352   if (url->host() != chrome::kChromeUIUberHost)
 353     return false;
 354
 355   if (url->path().empty() || url->path() == "/")
 356     return false;
 357
 358   const std::string old_path = url->path();
 359
 360   const std::string::size_type separator = old_path.find('/', 1);
 361   std::string new_host;
 362   std::string new_path;
 363   if (separator == std::string::npos) {
 364     new_host = old_path.substr(1);
 365   } else {
 366     new_host = old_path.substr(1, separator - 1);
 367     new_path = old_path.substr(separator);
 368   }
 369
 370   // Do not allow URLs with paths empty before the first slash since we can't
 371   // have an empty host. (e.g "foo://chrome//")
 372   if (new_host.empty())
 373     return false;
 374
 375   *url = ReplaceURLHostAndPath(*url, new_host, new_path);
 376
 377   DCHECK(url->is_valid());
 378
 379   return true;
 380 }
 381
 382 // Handles rewriting Web UI URLs.
 383 bool HandleWebUI(GURL* url, content::BrowserContext* browser_context) {
 384   // Do not handle special URLs such as "about:foo"
 385   if (!url->host().empty()) {
 386     const GURL chrome_url = AddUberHost(*url);
 387
 388     // Handle valid "chrome://chrome/foo" URLs so the reverse handler will
 389     // be called.
 390     if (ChromeWebUIControllerFactory::GetInstance()->UseWebUIForURL(
 391             browser_context, chrome_url))
 392       return true;
 393   }
 394
 395   if (!ChromeWebUIControllerFactory::GetInstance()->UseWebUIForURL(
 396           browser_context, *url))
 397     return false;
 398
 399 #if defined(OS_CHROMEOS)
 400   // Special case : in ChromeOS in Guest mode bookmarks and history are
 401   // disabled for security reasons. New tab page explains the reasons, so
 402   // we redirect user to new tab page.
 403   if (user_manager::UserManager::Get()->IsLoggedInAsGuest()) {
 404     if (url->SchemeIs(content::kChromeUIScheme) &&
 405         (url->DomainIs(chrome::kChromeUIBookmarksHost) ||
 406          url->DomainIs(chrome::kChromeUIHistoryHost))) {
 407       // Rewrite with new tab URL
 408       *url = GURL(chrome::kChromeUINewTabURL);
 409     }
 410   }
 411 #endif
 412
 413   return true;
 414 }
 415
 416 // Reverse URL handler for Web UI. Maps "chrome://chrome/foo/" to
 417 // "chrome://foo/".
 418 bool HandleWebUIReverse(GURL* url, content::BrowserContext* browser_context) {
 419   if (!url->is_valid() || !url->SchemeIs(content::kChromeUIScheme))
 420     return false;
 421
 422   return RemoveUberHost(url);
 423 }
 424
 425 bool CertMatchesFilter(const net::X509Certificate& cert,
 426                        const base::DictionaryValue& filter) {
 427   // TODO(markusheintz): This is the minimal required filter implementation.
 428   // Implement a better matcher.
 429
 430   // An empty filter matches any client certificate since no requirements are
 431   // specified at all.
 432   if (filter.empty())
 433     return true;
 434
 435   std::string common_name;
 436   if (filter.GetString("ISSUER.CN", &common_name) &&
 437       (cert.issuer().common_name == common_name)) {
 438     return true;
 439   }
 440   return false;
 441 }
 442
 443 #if defined(OS_POSIX) && !defined(OS_ANDROID) && !defined(OS_MACOSX)
 444 breakpad::CrashHandlerHostLinux* CreateCrashHandlerHost(
 445     const std::string& process_type) {
 446   base::FilePath dumps_path;
 447   PathService::Get(chrome::DIR_CRASH_DUMPS, &dumps_path);
 448   {
 449     ANNOTATE_SCOPED_MEMORY_LEAK;
 450     bool upload = (getenv(env_vars::kHeadless) == NULL);
 451     breakpad::CrashHandlerHostLinux* crash_handler =
 452         new breakpad::CrashHandlerHostLinux(process_type, dumps_path, upload);
 453     crash_handler->StartUploaderThread();
 454     return crash_handler;
 455   }
 456 }
 457
 458 int GetCrashSignalFD(const base::CommandLine& command_line) {
 459   // Extensions have the same process type as renderers.
 460   if (command_line.HasSwitch(extensions::switches::kExtensionProcess)) {
 461     static breakpad::CrashHandlerHostLinux* crash_handler = NULL;
 462     if (!crash_handler)
 463       crash_handler = CreateCrashHandlerHost("extension");
 464     return crash_handler->GetDeathSignalSocket();
 465   }
 466
 467   std::string process_type =
 468       command_line.GetSwitchValueASCII(switches::kProcessType);
 469
 470   if (process_type == switches::kRendererProcess) {
 471     static breakpad::CrashHandlerHostLinux* crash_handler = NULL;
 472     if (!crash_handler)
 473       crash_handler = CreateCrashHandlerHost(process_type);
 474     return crash_handler->GetDeathSignalSocket();
 475   }
 476
 477   if (process_type == switches::kPluginProcess) {
 478     static breakpad::CrashHandlerHostLinux* crash_handler = NULL;
 479     if (!crash_handler)
 480       crash_handler = CreateCrashHandlerHost(process_type);
 481     return crash_handler->GetDeathSignalSocket();
 482   }
 483
 484   if (process_type == switches::kPpapiPluginProcess) {
 485     static breakpad::CrashHandlerHostLinux* crash_handler = NULL;
 486     if (!crash_handler)
 487       crash_handler = CreateCrashHandlerHost(process_type);
 488     return crash_handler->GetDeathSignalSocket();
 489   }
 490
 491   if (process_type == switches::kGpuProcess) {
 492     static breakpad::CrashHandlerHostLinux* crash_handler = NULL;
 493     if (!crash_handler)
 494       crash_handler = CreateCrashHandlerHost(process_type);
 495     return crash_handler->GetDeathSignalSocket();
 496   }
 497
 498   return -1;
 499 }
 500 #endif  // defined(OS_POSIX) && !defined(OS_ANDROID) && !defined(OS_MACOSX)
 501
 502 #if !defined(OS_CHROMEOS)
 503 GURL GetEffectiveURLForSignin(const GURL& url) {
 504   CHECK(SigninManager::IsWebBasedSigninFlowURL(url));
 505
 506   GURL effective_url(SigninManager::kChromeSigninEffectiveSite);
 507   // Copy the path because the argument to SetPathStr must outlive
 508   // the Replacements object.
 509   const std::string path_copy(url.path());
 510   GURL::Replacements replacements;
 511   replacements.SetPathStr(path_copy);
 512   effective_url = effective_url.ReplaceComponents(replacements);
 513   return effective_url;
 514 }
 515 #endif
 516
 517 void SetApplicationLocaleOnIOThread(const std::string& locale) {
 518   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
 519   g_io_thread_application_locale.Get() = locale;
 520 }
 521
 522 void HandleBlockedPopupOnUIThread(const BlockedWindowParams& params) {
 523   // TODO(jochen): This code path should use RenderFrameHosts. See
 524   // http://crbug.com/431769 for details.
 525   RenderViewHost* render_view_host =
 526       RenderViewHost::FromID(params.render_process_id(), params.opener_id());
 527   if (!render_view_host)
 528     return;
 529   WebContents* tab = WebContents::FromRenderViewHost(render_view_host);
 530   // The tab might already have navigated away.
 531   if (!tab || tab->GetRenderViewHost() != render_view_host)
 532     return;
 533
 534   prerender::PrerenderContents* prerender_contents =
 535       prerender::PrerenderContents::FromWebContents(tab);
 536   if (prerender_contents) {
 537     prerender_contents->Destroy(prerender::FINAL_STATUS_CREATE_NEW_WINDOW);
 538     return;
 539   }
 540
 541   PopupBlockerTabHelper* popup_helper =
 542       PopupBlockerTabHelper::FromWebContents(tab);
 543   if (!popup_helper)
 544     return;
 545   popup_helper->AddBlockedPopup(params);
 546 }
 547
 548 #if defined(OS_ANDROID)
 549
 550 void HandleSingleTabModeBlockOnUIThread(const BlockedWindowParams& params) {
 551   WebContents* web_contents =
 552       tab_util::GetWebContentsByID(params.render_process_id(),
 553                                    params.opener_id());
 554   if (!web_contents)
 555     return;
 556
 557   SingleTabModeTabHelper::FromWebContents(web_contents)->HandleOpenUrl(params);
 558 }
 559
 560 float GetDeviceScaleAdjustment() {
 561   static const float kMinFSM = 1.05f;
 562   static const int kWidthForMinFSM = 320;
 563   static const float kMaxFSM = 1.3f;
 564   static const int kWidthForMaxFSM = 800;
 565
 566   gfx::DeviceDisplayInfo info;
 567   int minWidth = info.GetSmallestDIPWidth();
 568
 569   if (minWidth <= kWidthForMinFSM)
 570     return kMinFSM;
 571   if (minWidth >= kWidthForMaxFSM)
 572     return kMaxFSM;
 573
 574   // The font scale multiplier varies linearly between kMinFSM and kMaxFSM.
 575   float ratio = static_cast<float>(minWidth - kWidthForMinFSM) /
 576       (kWidthForMaxFSM - kWidthForMinFSM);
 577   return ratio * (kMaxFSM - kMinFSM) + kMinFSM;
 578 }
 579
 580 #endif  // defined(OS_ANDROID)
 581
 582 #if defined(ENABLE_EXTENSIONS)
 583 // By default, JavaScript and images are enabled in guest content.
 584 void GetGuestViewDefaultContentSettingRules(
 585     bool incognito,
 586     RendererContentSettingRules* rules) {
 587   rules->image_rules.push_back(
 588       ContentSettingPatternSource(ContentSettingsPattern::Wildcard(),
 589                                   ContentSettingsPattern::Wildcard(),
 590                                   CONTENT_SETTING_ALLOW,
 591                                   std::string(),
 592                                   incognito));
 593
 594   rules->script_rules.push_back(
 595       ContentSettingPatternSource(ContentSettingsPattern::Wildcard(),
 596                                   ContentSettingsPattern::Wildcard(),
 597                                   CONTENT_SETTING_ALLOW,
 598                                   std::string(),
 599                                   incognito));
 600 }
 601 #endif  // defined(ENALBE_EXTENSIONS)
 602
 603 content::PermissionStatus
 604 ContentSettingToPermissionStatus(ContentSetting setting) {
 605   switch (setting) {
 606     case CONTENT_SETTING_ALLOW:
 607     case CONTENT_SETTING_SESSION_ONLY:
 608       return content::PERMISSION_STATUS_GRANTED;
 609     case CONTENT_SETTING_BLOCK:
 610       return content::PERMISSION_STATUS_DENIED;
 611     case CONTENT_SETTING_ASK:
 612       return content::PERMISSION_STATUS_ASK;
 613     case CONTENT_SETTING_DETECT_IMPORTANT_CONTENT:
 614     case CONTENT_SETTING_DEFAULT:
 615     case CONTENT_SETTING_NUM_SETTINGS:
 616       break;
 617   }
 618   NOTREACHED();
 619   return content::PERMISSION_STATUS_DENIED;
 620 }
 621
 622 }  // namespace
 623
 624 namespace chrome {
 625
 626 ChromeContentBrowserClient::ChromeContentBrowserClient()
 627     : prerender_tracker_(NULL),
 628       weak_factory_(this) {
 629 #if defined(ENABLE_PLUGINS)
 630   for (size_t i = 0; i < arraysize(kPredefinedAllowedDevChannelOrigins); ++i)
 631     allowed_dev_channel_origins_.insert(kPredefinedAllowedDevChannelOrigins[i]);
 632   for (size_t i = 0; i < arraysize(kPredefinedAllowedFileHandleOrigins); ++i)
 633     allowed_file_handle_origins_.insert(kPredefinedAllowedFileHandleOrigins[i]);
 634   for (size_t i = 0; i < arraysize(kPredefinedAllowedSocketOrigins); ++i)
 635     allowed_socket_origins_.insert(kPredefinedAllowedSocketOrigins[i]);
 636
 637   extra_parts_.push_back(new ChromeContentBrowserClientPluginsPart);
 638 #endif
 639
 640 #if !defined(OS_ANDROID)
 641   TtsExtensionEngine* tts_extension_engine = TtsExtensionEngine::GetInstance();
 642   TtsController::GetInstance()->SetTtsEngineDelegate(tts_extension_engine);
 643 #endif
 644
 645 #if defined(ENABLE_EXTENSIONS)
 646   extra_parts_.push_back(new ChromeContentBrowserClientExtensionsPart);
 647 #endif
 648 }
 649
 650 ChromeContentBrowserClient::~ChromeContentBrowserClient() {
 651   for (int i = static_cast<int>(extra_parts_.size()) - 1; i >= 0; --i)
 652     delete extra_parts_[i];
 653   extra_parts_.clear();
 654 }
 655
 656 // static
 657 void ChromeContentBrowserClient::RegisterProfilePrefs(
 658     user_prefs::PrefRegistrySyncable* registry) {
 659   registry->RegisterBooleanPref(
 660       prefs::kDisable3DAPIs,
 661       false,
 662       user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
 663   registry->RegisterBooleanPref(
 664       prefs::kEnableHyperlinkAuditing,
 665       true,
 666       user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
 667   registry->RegisterListPref(
 668       prefs::kEnableDeprecatedWebPlatformFeatures,
 669       user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
 670 }
 671
 672 // static
 673 void ChromeContentBrowserClient::SetApplicationLocale(
 674     const std::string& locale) {
 675   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 676
 677   // This object is guaranteed to outlive all threads so we don't have to
 678   // worry about the lack of refcounting and can just post as Unretained.
 679   //
 680   // The common case is that this function is called early in Chrome startup
 681   // before any threads are created (it will also be called later if the user
 682   // changes the pref). In this case, there will be no threads created and
 683   // posting will fail. When there are no threads, we can just set the string
 684   // without worrying about threadsafety.
 685   if (!BrowserThread::PostTask(BrowserThread::IO, FROM_HERE,
 686           base::Bind(&SetApplicationLocaleOnIOThread, locale))) {
 687     g_io_thread_application_locale.Get() = locale;
 688   }
 689 }
 690
 691 content::BrowserMainParts* ChromeContentBrowserClient::CreateBrowserMainParts(
 692     const content::MainFunctionParams& parameters) {
 693   ChromeBrowserMainParts* main_parts;
 694   // Construct the Main browser parts based on the OS type.
 695 #if defined(OS_WIN)
 696   main_parts = new ChromeBrowserMainPartsWin(parameters);
 697 #elif defined(OS_MACOSX)
 698   main_parts = new ChromeBrowserMainPartsMac(parameters);
 699 #elif defined(OS_CHROMEOS)
 700   main_parts = new chromeos::ChromeBrowserMainPartsChromeos(parameters);
 701 #elif defined(OS_LINUX)
 702   main_parts = new ChromeBrowserMainPartsLinux(parameters);
 703 #elif defined(OS_ANDROID)
 704   main_parts = new ChromeBrowserMainPartsAndroid(parameters);
 705 #elif defined(OS_POSIX)
 706   main_parts = new ChromeBrowserMainPartsPosix(parameters);
 707 #else
 708   NOTREACHED();
 709   main_parts = new ChromeBrowserMainParts(parameters);
 710 #endif
 711
 712   chrome::AddProfilesExtraParts(main_parts);
 713
 714   // Construct additional browser parts. Stages are called in the order in
 715   // which they are added.
 716 #if defined(TOOLKIT_VIEWS)
 717   main_parts->AddParts(new ChromeBrowserMainExtraPartsViews());
 718 #endif
 719
 720 // TODO(oshima): Athena on chrome currently requires USE_ASH to build.
 721 // We should reduce the dependency as much as possible.
 722 #if defined(USE_ASH)
 723   main_parts->AddParts(new ChromeBrowserMainExtraPartsAsh());
 724 #endif
 725
 726 #if defined(USE_AURA)
 727   main_parts->AddParts(new ChromeBrowserMainExtraPartsAura());
 728 #endif
 729
 730 #if defined(USE_X11)
 731   main_parts->AddParts(new ChromeBrowserMainExtraPartsX11());
 732 #endif
 733
 734   chrome::AddMetricsExtraParts(main_parts);
 735
 736   return main_parts;
 737 }
 738
 739 std::string ChromeContentBrowserClient::GetStoragePartitionIdForSite(
 740     content::BrowserContext* browser_context,
 741     const GURL& site) {
 742   std::string partition_id;
 743
 744   // The partition ID for webview guest processes is the string value of its
 745   // SiteInstance URL - "chrome-guest://app_id/persist?partition".
 746   if (site.SchemeIs(content::kGuestScheme)) {
 747     partition_id = site.spec();
 748   } else if (site.GetOrigin().spec() == kChromeUIChromeSigninURL &&
 749             !switches::IsEnableWebviewBasedSignin()) {
 750     // Chrome signin page has an embedded iframe of extension and web content,
 751     // thus it must be isolated from other webUI pages.
 752     partition_id = site.GetOrigin().spec();
 753   }
 754
 755   DCHECK(IsValidStoragePartitionId(browser_context, partition_id));
 756   return partition_id;
 757 }
 758
 759 bool ChromeContentBrowserClient::IsValidStoragePartitionId(
 760     content::BrowserContext* browser_context,
 761     const std::string& partition_id) {
 762   // The default ID is empty and is always valid.
 763   if (partition_id.empty())
 764     return true;
 765
 766   return GURL(partition_id).is_valid();
 767 }
 768
 769 void ChromeContentBrowserClient::GetStoragePartitionConfigForSite(
 770     content::BrowserContext* browser_context,
 771     const GURL& site,
 772     bool can_be_default,
 773     std::string* partition_domain,
 774     std::string* partition_name,
 775     bool* in_memory) {
 776   // Default to the browser-wide storage partition and override based on |site|
 777   // below.
 778   partition_domain->clear();
 779   partition_name->clear();
 780   *in_memory = false;
 781
 782   bool success = false;
 783 #if defined(ENABLE_EXTENSIONS)
 784   success = extensions::WebViewGuest::GetGuestPartitionConfigForSite(
 785       site, partition_domain, partition_name, in_memory);
 786
 787   if (!success && site.SchemeIs(extensions::kExtensionScheme)) {
 788     // If |can_be_default| is false, the caller is stating that the |site|
 789     // should be parsed as if it had isolated storage. In particular it is
 790     // important to NOT check ExtensionService for the is_storage_isolated()
 791     // attribute because this code path is run during Extension uninstall
 792     // to do cleanup after the Extension has already been unloaded from the
 793     // ExtensionService.
 794     bool is_isolated = !can_be_default;
 795     if (can_be_default) {
 796       if (extensions::util::SiteHasIsolatedStorage(site, browser_context))
 797         is_isolated = true;
 798     }
 799
 800     if (is_isolated) {
 801       CHECK(site.has_host());
 802       // For extensions with isolated storage, the the host of the |site| is
 803       // the |partition_domain|. The |in_memory| and |partition_name| are only
 804       // used in guest schemes so they are cleared here.
 805       *partition_domain = site.host();
 806       *in_memory = false;
 807       partition_name->clear();
 808     }
 809     success = true;
 810   }
 811 #endif
 812
 813   if (!success && (site.GetOrigin().spec() == kChromeUIChromeSigninURL) &&
 814       !switches::IsEnableWebviewBasedSignin()) {
 815     // Chrome signin page has an embedded iframe of extension and web content,
 816     // thus it must be isolated from other webUI pages.
 817     *partition_domain = chrome::kChromeUIChromeSigninHost;
 818   }
 819
 820   // Assert that if |can_be_default| is false, the code above must have found a
 821   // non-default partition.  If this fails, the caller has a serious logic
 822   // error about which StoragePartition they expect to be in and it is not
 823   // safe to continue.
 824   CHECK(can_be_default || !partition_domain->empty());
 825 }
 826
 827 content::WebContentsViewDelegate*
 828     ChromeContentBrowserClient::GetWebContentsViewDelegate(
 829         content::WebContents* web_contents) {
 830   return chrome::CreateWebContentsViewDelegate(web_contents);
 831 }
 832
 833 void ChromeContentBrowserClient::RenderProcessWillLaunch(
 834     content::RenderProcessHost* host) {
 835   int id = host->GetID();
 836   Profile* profile = Profile::FromBrowserContext(host->GetBrowserContext());
 837   net::URLRequestContextGetter* context =
 838       profile->GetRequestContextForRenderProcess(id);
 839
 840   host->AddFilter(new ChromeRenderMessageFilter(id, profile));
 841 #if defined(ENABLE_EXTENSIONS)
 842   host->AddFilter(new cast::CastTransportHostFilter);
 843 #endif
 844 #if defined(ENABLE_PRINTING)
 845   host->AddFilter(new printing::PrintingMessageFilter(id, profile));
 846 #endif
 847   host->AddFilter(new SearchProviderInstallStateMessageFilter(id, profile));
 848 #if defined(ENABLE_SPELLCHECK)
 849   host->AddFilter(new SpellCheckMessageFilter(id));
 850 #endif
 851 #if defined(OS_MACOSX)
 852   host->AddFilter(new SpellCheckMessageFilterMac(id));
 853 #endif
 854   host->AddFilter(new ChromeNetBenchmarkingMessageFilter(profile, context));
 855   host->AddFilter(new prerender::PrerenderMessageFilter(id, profile));
 856   host->AddFilter(new TtsMessageFilter(id, host->GetBrowserContext()));
 857 #if defined(ENABLE_WEBRTC)
 858   WebRtcLoggingHandlerHost* webrtc_logging_handler_host =
 859       new WebRtcLoggingHandlerHost(profile);
 860   host->SetWebRtcLogMessageCallback(base::Bind(
 861       &WebRtcLoggingHandlerHost::LogMessage, webrtc_logging_handler_host));
 862   host->AddFilter(webrtc_logging_handler_host);
 863   host->SetUserData(host, new base::UserDataAdapter<WebRtcLoggingHandlerHost>(
 864       webrtc_logging_handler_host));
 865 #endif
 866 #if !defined(DISABLE_NACL)
 867   host->AddFilter(new nacl::NaClHostMessageFilter(
 868       id, profile->IsOffTheRecord(),
 869       profile->GetPath(),
 870       context));
 871 #endif
 872 #if defined(OS_ANDROID)
 873   host->AddFilter(new cdm::CdmMessageFilterAndroid());
 874 #endif
 875   if (switches::IsEnableAccountConsistency())
 876     host->AddFilter(new PrincipalsMessageFilter(id));
 877
 878   host->Send(new ChromeViewMsg_SetIsIncognitoProcess(
 879       profile->IsOffTheRecord()));
 880
 881   for (size_t i = 0; i < extra_parts_.size(); ++i)
 882     extra_parts_[i]->RenderProcessWillLaunch(host);
 883
 884   RendererContentSettingRules rules;
 885   if (host->IsIsolatedGuest()) {
 886 #if defined(ENABLE_EXTENSIONS)
 887     GetGuestViewDefaultContentSettingRules(profile->IsOffTheRecord(), &rules);
 888 #else
 889     NOTREACHED();
 890 #endif
 891   } else {
 892     GetRendererContentSettingRules(
 893         profile->GetHostContentSettingsMap(), &rules);
 894   }
 895   host->Send(new ChromeViewMsg_SetContentSettingRules(rules));
 896 }
 897
 898 GURL ChromeContentBrowserClient::GetEffectiveURL(
 899     content::BrowserContext* browser_context, const GURL& url) {
 900   Profile* profile = Profile::FromBrowserContext(browser_context);
 901   if (!profile)
 902     return url;
 903
 904   // If the input |url| should be assigned to the Instant renderer, make its
 905   // effective URL distinct from other URLs on the search provider's domain.
 906   if (chrome::ShouldAssignURLToInstantRenderer(url, profile))
 907     return chrome::GetEffectiveURLForInstant(url, profile);
 908
 909 #if !defined(OS_CHROMEOS)
 910   // If the input |url| should be assigned to the Signin renderer, make its
 911   // effective URL distinct from other URLs on the signin service's domain.
 912   // Note that the signin renderer will be allowed to sign the user in to
 913   // Chrome.
 914   if (SigninManager::IsWebBasedSigninFlowURL(url))
 915     return GetEffectiveURLForSignin(url);
 916 #endif
 917
 918 #if defined(ENABLE_EXTENSIONS)
 919   return ChromeContentBrowserClientExtensionsPart::GetEffectiveURL(
 920       profile, url);
 921 #else
 922   return url;
 923 #endif
 924 }
 925
 926 bool ChromeContentBrowserClient::ShouldUseProcessPerSite(
 927     content::BrowserContext* browser_context, const GURL& effective_url) {
 928   // Non-extension, non-Instant URLs should generally use
 929   // process-per-site-instance.  Because we expect to use the effective URL,
 930   // URLs for hosted apps (apart from bookmark apps) should have an extension
 931   // scheme by now.
 932
 933   Profile* profile = Profile::FromBrowserContext(browser_context);
 934   if (!profile)
 935     return false;
 936
 937   if (chrome::ShouldUseProcessPerSiteForInstantURL(effective_url, profile))
 938     return true;
 939
 940 #if !defined(OS_CHROMEOS)
 941   if (SigninManager::IsWebBasedSigninFlowURL(effective_url))
 942     return true;
 943 #endif
 944
 945 #if defined(ENABLE_EXTENSIONS)
 946   return ChromeContentBrowserClientExtensionsPart::ShouldUseProcessPerSite(
 947       profile, effective_url);
 948 #else
 949   return false;
 950 #endif
 951 }
 952
 953 // These are treated as WebUI schemes but do not get WebUI bindings. Also,
 954 // view-source is allowed for these schemes.
 955 void ChromeContentBrowserClient::GetAdditionalWebUISchemes(
 956     std::vector<std::string>* additional_schemes) {
 957   additional_schemes->push_back(chrome::kChromeSearchScheme);
 958   additional_schemes->push_back(dom_distiller::kDomDistillerScheme);
 959 }
 960
 961 void ChromeContentBrowserClient::GetAdditionalWebUIHostsToIgnoreParititionCheck(
 962     std::vector<std::string>* hosts) {
 963   hosts->push_back(chrome::kChromeUIExtensionIconHost);
 964   hosts->push_back(chrome::kChromeUIFaviconHost);
 965   hosts->push_back(chrome::kChromeUIThemeHost);
 966   hosts->push_back(chrome::kChromeUIThumbnailHost);
 967   hosts->push_back(chrome::kChromeUIThumbnailHost2);
 968   hosts->push_back(chrome::kChromeUIThumbnailListHost);
 969 }
 970
 971 net::URLRequestContextGetter*
 972 ChromeContentBrowserClient::CreateRequestContext(
 973     content::BrowserContext* browser_context,
 974     content::ProtocolHandlerMap* protocol_handlers,
 975     content::URLRequestInterceptorScopedVector request_interceptors) {
 976   Profile* profile = Profile::FromBrowserContext(browser_context);
 977   return profile->CreateRequestContext(protocol_handlers,
 978                                        request_interceptors.Pass());
 979 }
 980
 981 net::URLRequestContextGetter*
 982 ChromeContentBrowserClient::CreateRequestContextForStoragePartition(
 983     content::BrowserContext* browser_context,
 984     const base::FilePath& partition_path,
 985     bool in_memory,
 986     content::ProtocolHandlerMap* protocol_handlers,
 987     content::URLRequestInterceptorScopedVector request_interceptors) {
 988   Profile* profile = Profile::FromBrowserContext(browser_context);
 989   return profile->CreateRequestContextForStoragePartition(
 990       partition_path,
 991       in_memory,
 992       protocol_handlers,
 993       request_interceptors.Pass());
 994 }
 995
 996 bool ChromeContentBrowserClient::IsHandledURL(const GURL& url) {
 997   return ProfileIOData::IsHandledURL(url);
 998 }
 999
1000 bool ChromeContentBrowserClient::CanCommitURL(
1001     content::RenderProcessHost* process_host,
1002     const GURL& url) {
1003 #if defined(ENABLE_EXTENSIONS)
1004   return ChromeContentBrowserClientExtensionsPart::CanCommitURL(
1005       process_host, url);
1006 #else
1007   return true;
1008 #endif
1009 }
1010
1011 bool ChromeContentBrowserClient::ShouldAllowOpenURL(
1012     content::SiteInstance* site_instance, const GURL& url) {
1013   GURL from_url = site_instance->GetSiteURL();
1014
1015 #if defined(ENABLE_EXTENSIONS)
1016   bool result;
1017   if (ChromeContentBrowserClientExtensionsPart::ShouldAllowOpenURL(
1018       site_instance, from_url, url, &result))
1019     return result;
1020 #endif
1021
1022   // Do not allow chrome://chrome-signin navigate to other chrome:// URLs, since
1023   // the signin page may host untrusted web content.
1024   if (from_url.GetOrigin().spec() == chrome::kChromeUIChromeSigninURL &&
1025       url.SchemeIs(content::kChromeUIScheme) &&
1026       url.host() != chrome::kChromeUIChromeSigninHost) {
1027     VLOG(1) << "Blocked navigation to " << url.spec() << " from "
1028             << chrome::kChromeUIChromeSigninURL;
1029     return false;
1030   }
1031
1032   return true;
1033 }
1034
1035 bool ChromeContentBrowserClient::IsSuitableHost(
1036     content::RenderProcessHost* process_host,
1037     const GURL& site_url) {
1038   Profile* profile =
1039       Profile::FromBrowserContext(process_host->GetBrowserContext());
1040   // This may be NULL during tests. In that case, just assume any site can
1041   // share any host.
1042   if (!profile)
1043     return true;
1044
1045   // Instant URLs should only be in the instant process and instant process
1046   // should only have Instant URLs.
1047   InstantService* instant_service =
1048       InstantServiceFactory::GetForProfile(profile);
1049   if (instant_service) {
1050     bool is_instant_process = instant_service->IsInstantProcess(
1051         process_host->GetID());
1052     bool should_be_in_instant_process =
1053         chrome::ShouldAssignURLToInstantRenderer(site_url, profile);
1054     if (is_instant_process || should_be_in_instant_process)
1055       return is_instant_process && should_be_in_instant_process;
1056   }
1057
1058 #if !defined(OS_CHROMEOS)
1059   SigninClient* signin_client =
1060       ChromeSigninClientFactory::GetForProfile(profile);
1061   if (signin_client && signin_client->IsSigninProcess(process_host->GetID()))
1062     return SigninManager::IsWebBasedSigninFlowURL(site_url);
1063 #endif
1064
1065 #if defined(ENABLE_EXTENSIONS)
1066   return ChromeContentBrowserClientExtensionsPart::IsSuitableHost(
1067       profile, process_host, site_url);
1068 #else
1069   return true;
1070 #endif
1071 }
1072
1073 bool ChromeContentBrowserClient::MayReuseHost(
1074     content::RenderProcessHost* process_host) {
1075   // If there is currently a prerender in progress for the host provided,
1076   // it may not be shared. We require prerenders to be by themselves in a
1077   // separate process, so that we can monitor their resource usage, and so that
1078   // we can track the cookies that they change.
1079   Profile* profile = Profile::FromBrowserContext(
1080       process_host->GetBrowserContext());
1081   prerender::PrerenderManager* prerender_manager =
1082       prerender::PrerenderManagerFactory::GetForProfile(profile);
1083   if (prerender_manager &&
1084       !prerender_manager->MayReuseProcessHost(process_host)) {
1085     return false;
1086   }
1087
1088   return true;
1089 }
1090
1091 bool ChromeContentBrowserClient::ShouldTryToUseExistingProcessHost(
1092     content::BrowserContext* browser_context, const GURL& url) {
1093   // It has to be a valid URL for us to check for an extension.
1094   if (!url.is_valid())
1095     return false;
1096
1097 #if defined(ENABLE_EXTENSIONS)
1098   Profile* profile = Profile::FromBrowserContext(browser_context);
1099   return ChromeContentBrowserClientExtensionsPart::
1100       ShouldTryToUseExistingProcessHost(
1101           profile, url);
1102 #else
1103   return false;
1104 #endif
1105 }
1106
1107 void ChromeContentBrowserClient::SiteInstanceGotProcess(
1108     SiteInstance* site_instance) {
1109   CHECK(site_instance->HasProcess());
1110
1111   Profile* profile = Profile::FromBrowserContext(
1112       site_instance->GetBrowserContext());
1113   if (!profile)
1114     return;
1115
1116   // Remember the ID of the Instant process to signal the renderer process
1117   // on startup in |AppendExtraCommandLineSwitches| below.
1118   if (chrome::ShouldAssignURLToInstantRenderer(
1119           site_instance->GetSiteURL(), profile)) {
1120     InstantService* instant_service =
1121         InstantServiceFactory::GetForProfile(profile);
1122     if (instant_service)
1123       instant_service->AddInstantProcess(site_instance->GetProcess()->GetID());
1124   }
1125
1126 #if !defined(OS_CHROMEOS)
1127   // We only expect there to be one signin process as we use process-per-site
1128   // for signin URLs. The signin process will be cleared from SigninManager
1129   // when the renderer is destroyed.
1130   if (SigninManager::IsWebBasedSigninFlowURL(site_instance->GetSiteURL())) {
1131     SigninClient* signin_client =
1132         ChromeSigninClientFactory::GetForProfile(profile);
1133     if (signin_client)
1134       signin_client->SetSigninProcess(site_instance->GetProcess()->GetID());
1135 #if defined(ENABLE_EXTENSIONS)
1136     ChromeContentBrowserClientExtensionsPart::SetSigninProcess(site_instance);
1137 #endif
1138   }
1139 #endif
1140
1141   for (size_t i = 0; i < extra_parts_.size(); ++i)
1142     extra_parts_[i]->SiteInstanceGotProcess(site_instance);
1143 }
1144
1145 void ChromeContentBrowserClient::SiteInstanceDeleting(
1146     SiteInstance* site_instance) {
1147   if (!site_instance->HasProcess())
1148     return;
1149
1150   for (size_t i = 0; i < extra_parts_.size(); ++i)
1151     extra_parts_[i]->SiteInstanceDeleting(site_instance);
1152 }
1153
1154 bool ChromeContentBrowserClient::ShouldSwapBrowsingInstancesForNavigation(
1155     SiteInstance* site_instance,
1156     const GURL& current_url,
1157     const GURL& new_url) {
1158 #if defined(ENABLE_EXTENSIONS)
1159   return ChromeContentBrowserClientExtensionsPart::
1160       ShouldSwapBrowsingInstancesForNavigation(
1161           site_instance, current_url, new_url);
1162 #else
1163   return false;
1164 #endif
1165 }
1166
1167 bool ChromeContentBrowserClient::ShouldSwapProcessesForRedirect(
1168     content::ResourceContext* resource_context, const GURL& current_url,
1169     const GURL& new_url) {
1170 #if defined(ENABLE_EXTENSIONS)
1171   return ChromeContentBrowserClientExtensionsPart::
1172       ShouldSwapProcessesForRedirect(resource_context, current_url, new_url);
1173 #else
1174   return false;
1175 #endif
1176 }
1177
1178 bool ChromeContentBrowserClient::ShouldAssignSiteForURL(const GURL& url) {
1179   return !url.SchemeIs(chrome::kChromeNativeScheme);
1180 }
1181
1182 std::string ChromeContentBrowserClient::GetCanonicalEncodingNameByAliasName(
1183     const std::string& alias_name) {
1184   return CharacterEncoding::GetCanonicalEncodingNameByAliasName(alias_name);
1185 }
1186
1187 namespace {
1188
1189 bool IsAutoReloadEnabled() {
1190   // Fetch the field trial, even though we don't use it. Calling FindFullName()
1191   // causes the field-trial mechanism to report which group we're in, which
1192   // might reflect a hard disable or hard enable via flag, both of which have
1193   // their own field trial groups. This lets us know what percentage of users
1194   // manually enable or disable auto-reload.
1195   std::string group = base::FieldTrialList::FindFullName(
1196       "AutoReloadExperiment");
1197   const base::CommandLine& browser_command_line =
1198       *base::CommandLine::ForCurrentProcess();
1199   if (browser_command_line.HasSwitch(switches::kEnableOfflineAutoReload))
1200     return true;
1201   if (browser_command_line.HasSwitch(switches::kDisableOfflineAutoReload))
1202     return false;
1203   return true;
1204 }
1205
1206 bool IsAutoReloadVisibleOnlyEnabled() {
1207   // See the block comment in IsAutoReloadEnabled().
1208   std::string group = base::FieldTrialList::FindFullName(
1209       "AutoReloadVisibleOnlyExperiment");
1210   const base::CommandLine& browser_command_line =
1211       *base::CommandLine::ForCurrentProcess();
1212   if (browser_command_line.HasSwitch(
1213       switches::kEnableOfflineAutoReloadVisibleOnly)) {
1214     return true;
1215   }
1216   if (browser_command_line.HasSwitch(
1217       switches::kDisableOfflineAutoReloadVisibleOnly)) {
1218     return false;
1219   }
1220   return true;
1221 }
1222
1223 }  // namespace
1224
1225 void ChromeContentBrowserClient::AppendExtraCommandLineSwitches(
1226     base::CommandLine* command_line,
1227     int child_process_id) {
1228 #if defined(OS_POSIX)
1229   if (breakpad::IsCrashReporterEnabled()) {
1230     scoped_ptr<metrics::ClientInfo> client_info =
1231         GoogleUpdateSettings::LoadMetricsClientInfo();
1232     command_line->AppendSwitchASCII(switches::kEnableCrashReporter,
1233                                     client_info ? client_info->client_id
1234                                                 : std::string());
1235   }
1236 #endif  // defined(OS_POSIX)
1237
1238   if (logging::DialogsAreSuppressed())
1239     command_line->AppendSwitch(switches::kNoErrorDialogs);
1240
1241   std::string process_type =
1242       command_line->GetSwitchValueASCII(switches::kProcessType);
1243   const base::CommandLine& browser_command_line =
1244       *base::CommandLine::ForCurrentProcess();
1245
1246   static const char* const kCommonSwitchNames[] = {
1247     switches::kUserAgent,
1248     switches::kUserDataDir,  // Make logs go to the right file.
1249   };
1250   command_line->CopySwitchesFrom(browser_command_line, kCommonSwitchNames,
1251                                  arraysize(kCommonSwitchNames));
1252
1253 #if defined(ENABLE_IPC_FUZZER)
1254   static const char* const kIpcFuzzerSwitches[] = {
1255     switches::kIpcFuzzerTestcase,
1256   };
1257   command_line->CopySwitchesFrom(browser_command_line, kIpcFuzzerSwitches,
1258                                  arraysize(kIpcFuzzerSwitches));
1259 #endif
1260
1261 #if defined(OS_CHROMEOS)
1262   // On Chrome OS need to pass primary user homedir (in multi-profiles session).
1263   base::FilePath homedir;
1264   PathService::Get(base::DIR_HOME, &homedir);
1265   command_line->AppendSwitchASCII(chromeos::switches::kHomedir,
1266                                   homedir.value().c_str());
1267 #endif
1268
1269   if (process_type == switches::kRendererProcess) {
1270     content::RenderProcessHost* process =
1271         content::RenderProcessHost::FromID(child_process_id);
1272     Profile* profile =
1273         process ? Profile::FromBrowserContext(process->GetBrowserContext())
1274                 : NULL;
1275     for (size_t i = 0; i < extra_parts_.size(); ++i) {
1276       extra_parts_[i]->AppendExtraRendererCommandLineSwitches(
1277           command_line, process, profile);
1278     }
1279
1280 #if defined(OS_CHROMEOS)
1281     const std::string& login_profile =
1282         browser_command_line.GetSwitchValueASCII(
1283             chromeos::switches::kLoginProfile);
1284     if (!login_profile.empty())
1285       command_line->AppendSwitchASCII(
1286           chromeos::switches::kLoginProfile, login_profile);
1287 #endif
1288
1289 #if defined(ENABLE_WEBRTC)
1290     MaybeCopyDisableWebRtcEncryptionSwitch(command_line,
1291                                            browser_command_line,
1292                                            VersionInfo::GetChannel());
1293 #endif
1294
1295     if (process) {
1296       PrefService* prefs = profile->GetPrefs();
1297       // Currently this pref is only registered if applied via a policy.
1298       if (prefs->HasPrefPath(prefs::kDisable3DAPIs) &&
1299           prefs->GetBoolean(prefs::kDisable3DAPIs)) {
1300         // Turn this policy into a command line switch.
1301         command_line->AppendSwitch(switches::kDisable3DAPIs);
1302       }
1303
1304       const base::ListValue* switches =
1305           prefs->GetList(prefs::kEnableDeprecatedWebPlatformFeatures);
1306       if (switches) {
1307         // Enable any deprecated features that have been re-enabled by policy.
1308         for (base::ListValue::const_iterator it = switches->begin();
1309              it != switches->end(); ++it) {
1310           std::string switch_to_enable;
1311           if ((*it)->GetAsString(&switch_to_enable))
1312             command_line->AppendSwitch(switch_to_enable);
1313         }
1314       }
1315
1316       // Disable client-side phishing detection in the renderer if it is
1317       // disabled in the Profile preferences or the browser process.
1318       if (!prefs->GetBoolean(prefs::kSafeBrowsingEnabled) ||
1319           !g_browser_process->safe_browsing_detection_service()) {
1320         command_line->AppendSwitch(
1321             switches::kDisableClientSidePhishingDetection);
1322       }
1323
1324       if (prefs->GetBoolean(prefs::kPrintPreviewDisabled))
1325         command_line->AppendSwitch(switches::kDisablePrintPreview);
1326
1327       InstantService* instant_service =
1328           InstantServiceFactory::GetForProfile(profile);
1329       if (instant_service &&
1330           instant_service->IsInstantProcess(process->GetID()))
1331         command_line->AppendSwitch(switches::kInstantProcess);
1332
1333 #if !defined(OS_CHROMEOS)
1334       SigninClient* signin_client =
1335           ChromeSigninClientFactory::GetForProfile(profile);
1336       if (signin_client && signin_client->IsSigninProcess(process->GetID()))
1337         command_line->AppendSwitch(switches::kSigninProcess);
1338 #endif
1339     }
1340
1341     if (IsAutoReloadEnabled())
1342       command_line->AppendSwitch(switches::kEnableOfflineAutoReload);
1343     if (IsAutoReloadVisibleOnlyEnabled()) {
1344       command_line->AppendSwitch(
1345           switches::kEnableOfflineAutoReloadVisibleOnly);
1346     }
1347
1348     {
1349       // Enable load stale cache if this session is in the field trial or
1350       // the user explicitly enabled it.  Note that as far as the renderer
1351       // is concerned, the feature is enabled if-and-only-if the
1352       // kEnableOfflineLoadStaleCache flag is on the command line;
1353       // the yes/no/default behavior is only at the browser command line
1354       // level.
1355
1356       // Command line switches override
1357       if (browser_command_line.HasSwitch(
1358               switches::kEnableOfflineLoadStaleCache)) {
1359         command_line->AppendSwitch(switches::kEnableOfflineLoadStaleCache);
1360       } else if (!browser_command_line.HasSwitch(
1361           switches::kDisableOfflineLoadStaleCache)) {
1362         std::string group =
1363             base::FieldTrialList::FindFullName("LoadStaleCacheExperiment");
1364
1365         if (group == "Enabled")
1366           command_line->AppendSwitch(switches::kEnableOfflineLoadStaleCache);
1367       }
1368     }
1369
1370     // Please keep this in alphabetical order.
1371     static const char* const kSwitchNames[] = {
1372       autofill::switches::kDisableFillOnAccountSelect,
1373       autofill::switches::kDisablePasswordGeneration,
1374       autofill::switches::kEnableFillOnAccountSelect,
1375       autofill::switches::kEnableFillOnAccountSelectNoHighlighting,
1376       autofill::switches::kEnablePasswordGeneration,
1377       autofill::switches::kEnablePasswordSaveOnInPageNavigation,
1378       autofill::switches::kEnableSingleClickAutofill,
1379       autofill::switches::kIgnoreAutocompleteOffForAutofill,
1380       autofill::switches::kLocalHeuristicsOnlyForPasswordGeneration,
1381       autofill::switches::kRespectAutocompleteOffForAutofill,
1382 #if defined(ENABLE_EXTENSIONS)
1383       extensions::switches::kAllowHTTPBackgroundPage,
1384       extensions::switches::kAllowLegacyExtensionManifests,
1385       extensions::switches::kEnableSurfaceWorker,
1386       extensions::switches::kEnableAppWindowControls,
1387       extensions::switches::kEnableEmbeddedExtensionOptions,
1388       extensions::switches::kEnableExperimentalExtensionApis,
1389       extensions::switches::kEnableScriptsRequireAction,
1390       extensions::switches::kExtensionsOnChromeURLs,
1391       extensions::switches::kWhitelistedExtensionID,
1392 #endif
1393       switches::kAppsCheckoutURL,
1394       switches::kAppsGalleryURL,
1395       switches::kCloudPrintURL,
1396       switches::kCloudPrintXmppEndpoint,
1397       switches::kDisableBundledPpapiFlash,
1398       switches::kDisableCastStreamingHWEncoding,
1399       switches::kDisableJavaScriptHarmonyShipping,
1400       switches::kDisableOutOfProcessPdf,
1401       switches::kEnableBenchmarking,
1402       switches::kEnableNaCl,
1403 #if !defined(DISABLE_NACL)
1404       switches::kEnableNaClDebug,
1405       switches::kEnableNaClNonSfiMode,
1406 #endif
1407       switches::kEnableNetBenchmarking,
1408       switches::kEnableNewBookmarkApps,
1409       switches::kEnableOutOfProcessPdf,
1410       switches::kEnablePluginPlaceholderShadowDom,
1411       switches::kEnableShowModalDialog,
1412       switches::kEnableWebBasedSignin,
1413       switches::kJavaScriptHarmony,
1414       switches::kMessageLoopHistogrammer,
1415       switches::kPlaybackMode,
1416       switches::kPpapiFlashArgs,
1417       switches::kPpapiFlashPath,
1418       switches::kPpapiFlashVersion,
1419       switches::kProfilingAtStart,
1420       switches::kProfilingFile,
1421       switches::kProfilingFlush,
1422       switches::kRecordMode,
1423       translate::switches::kTranslateSecurityOrigin,
1424     };
1425
1426     command_line->CopySwitchesFrom(browser_command_line, kSwitchNames,
1427                                    arraysize(kSwitchNames));
1428   } else if (process_type == switches::kUtilityProcess) {
1429 #if defined(ENABLE_EXTENSIONS)
1430     static const char* const kSwitchNames[] = {
1431       extensions::switches::kAllowHTTPBackgroundPage,
1432       extensions::switches::kEnableExperimentalExtensionApis,
1433       extensions::switches::kExtensionsOnChromeURLs,
1434       extensions::switches::kWhitelistedExtensionID,
1435     };
1436
1437     command_line->CopySwitchesFrom(browser_command_line, kSwitchNames,
1438                                    arraysize(kSwitchNames));
1439 #endif
1440   } else if (process_type == switches::kPluginProcess) {
1441 #if defined(OS_CHROMEOS)
1442     static const char* const kSwitchNames[] = {
1443       chromeos::switches::kLoginProfile,
1444     };
1445
1446     command_line->CopySwitchesFrom(browser_command_line, kSwitchNames,
1447                                    arraysize(kSwitchNames));
1448 #endif
1449   } else if (process_type == switches::kZygoteProcess) {
1450     static const char* const kSwitchNames[] = {
1451       // Load (in-process) Pepper plugins in-process in the zygote pre-sandbox.
1452       switches::kDisableBundledPpapiFlash,
1453 #if !defined(DISABLE_NACL)
1454       switches::kEnableNaClDebug,
1455       switches::kEnableNaClNonSfiMode,
1456       switches::kNaClDangerousNoSandboxNonSfi,
1457       switches::kUseNaClHelperNonSfi,
1458 #endif
1459       switches::kPpapiFlashPath,
1460       switches::kPpapiFlashVersion,
1461     };
1462
1463     command_line->CopySwitchesFrom(browser_command_line, kSwitchNames,
1464                                    arraysize(kSwitchNames));
1465   } else if (process_type == switches::kGpuProcess) {
1466     // If --ignore-gpu-blacklist is passed in, don't send in crash reports
1467     // because GPU is expected to be unreliable.
1468     if (browser_command_line.HasSwitch(switches::kIgnoreGpuBlacklist) &&
1469         !command_line->HasSwitch(switches::kDisableBreakpad))
1470       command_line->AppendSwitch(switches::kDisableBreakpad);
1471   }
1472
1473   // The command line switch kEnableBenchmarking needs to be specified along
1474   // with the kEnableStatsTable switch to ensure that the stats table global
1475   // is initialized correctly.
1476   if (command_line->HasSwitch(switches::kEnableBenchmarking))
1477     DCHECK(command_line->HasSwitch(switches::kEnableStatsTable));
1478 }
1479
1480 std::string ChromeContentBrowserClient::GetApplicationLocale() {
1481   if (BrowserThread::CurrentlyOn(BrowserThread::IO))
1482     return g_io_thread_application_locale.Get();
1483   return g_browser_process->GetApplicationLocale();
1484 }
1485
1486 std::string ChromeContentBrowserClient::GetAcceptLangs(
1487     content::BrowserContext* context) {
1488   Profile* profile = Profile::FromBrowserContext(context);
1489   return profile->GetPrefs()->GetString(prefs::kAcceptLanguages);
1490 }
1491
1492 const gfx::ImageSkia* ChromeContentBrowserClient::GetDefaultFavicon() {
1493   ResourceBundle& rb = ResourceBundle::GetSharedInstance();
1494   return rb.GetNativeImageNamed(IDR_DEFAULT_FAVICON).ToImageSkia();
1495 }
1496
1497 bool ChromeContentBrowserClient::AllowAppCache(
1498     const GURL& manifest_url,
1499     const GURL& first_party,
1500     content::ResourceContext* context) {
1501   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
1502   ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
1503   return io_data->GetCookieSettings()->
1504       IsSettingCookieAllowed(manifest_url, first_party);
1505 }
1506
1507 bool ChromeContentBrowserClient::AllowServiceWorker(
1508     const GURL& scope,
1509     const GURL& first_party_url,
1510     content::ResourceContext* context) {
1511   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
1512   ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
1513   return io_data->GetCookieSettings()->
1514       IsSettingCookieAllowed(scope, first_party_url);
1515 }
1516
1517 bool ChromeContentBrowserClient::AllowGetCookie(
1518     const GURL& url,
1519     const GURL& first_party,
1520     const net::CookieList& cookie_list,
1521     content::ResourceContext* context,
1522     int render_process_id,
1523     int render_frame_id) {
1524   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
1525   ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
1526   bool allow = io_data->GetCookieSettings()->
1527       IsReadingCookieAllowed(url, first_party);
1528
1529   BrowserThread::PostTask(
1530       BrowserThread::UI, FROM_HERE,
1531       base::Bind(&TabSpecificContentSettings::CookiesRead, render_process_id,
1532                  render_frame_id, url, first_party, cookie_list, !allow, true));
1533   return allow;
1534 }
1535
1536 bool ChromeContentBrowserClient::AllowSetCookie(
1537     const GURL& url,
1538     const GURL& first_party,
1539     const std::string& cookie_line,
1540     content::ResourceContext* context,
1541     int render_process_id,
1542     int render_frame_id,
1543     net::CookieOptions* options) {
1544   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
1545   ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
1546   CookieSettings* cookie_settings = io_data->GetCookieSettings();
1547   bool allow = cookie_settings->IsSettingCookieAllowed(url, first_party);
1548
1549   if (prerender_tracker_) {
1550     prerender_tracker_->OnCookieChangedForURL(
1551         render_process_id,
1552         context->GetRequestContext()->cookie_store()->GetCookieMonster(),
1553         url);
1554   }
1555
1556   BrowserThread::PostTask(
1557       BrowserThread::UI, FROM_HERE,
1558       base::Bind(&TabSpecificContentSettings::CookieChanged, render_process_id,
1559                  render_frame_id, url, first_party, cookie_line, *options,
1560                  !allow));
1561   return allow;
1562 }
1563
1564 bool ChromeContentBrowserClient::AllowSaveLocalState(
1565     content::ResourceContext* context) {
1566   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
1567   ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
1568   CookieSettings* cookie_settings = io_data->GetCookieSettings();
1569   ContentSetting setting = cookie_settings->GetDefaultCookieSetting(NULL);
1570
1571   // TODO(bauerb): Should we also disallow local state if the default is BLOCK?
1572   // Could we even support per-origin settings?
1573   return setting != CONTENT_SETTING_SESSION_ONLY;
1574 }
1575
1576 bool ChromeContentBrowserClient::AllowWorkerDatabase(
1577     const GURL& url,
1578     const base::string16& name,
1579     const base::string16& display_name,
1580     unsigned long estimated_size,
1581     content::ResourceContext* context,
1582     const std::vector<std::pair<int, int> >& render_frames) {
1583   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
1584   ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
1585   CookieSettings* cookie_settings = io_data->GetCookieSettings();
1586   bool allow = cookie_settings->IsSettingCookieAllowed(url, url);
1587
1588   // Record access to database for potential display in UI.
1589   std::vector<std::pair<int, int> >::const_iterator i;
1590   for (i = render_frames.begin(); i != render_frames.end(); ++i) {
1591     BrowserThread::PostTask(
1592         BrowserThread::UI, FROM_HERE,
1593         base::Bind(&TabSpecificContentSettings::WebDatabaseAccessed,
1594                    i->first, i->second, url, name, display_name, !allow));
1595   }
1596
1597   return allow;
1598 }
1599
1600 void ChromeContentBrowserClient::AllowWorkerFileSystem(
1601     const GURL& url,
1602     content::ResourceContext* context,
1603     const std::vector<std::pair<int, int> >& render_frames,
1604     base::Callback<void(bool)> callback) {
1605   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
1606   ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
1607   CookieSettings* cookie_settings = io_data->GetCookieSettings();
1608   bool allow = cookie_settings->IsSettingCookieAllowed(url, url);
1609
1610 #if defined(ENABLE_EXTENSIONS)
1611   GuestPermissionRequestHelper(url, render_frames, callback, allow);
1612 #else
1613   FileSystemAccessed(url, render_frames, callback, allow);
1614 #endif
1615 }
1616
1617 #if defined(ENABLE_EXTENSIONS)
1618 void ChromeContentBrowserClient::GuestPermissionRequestHelper(
1619     const GURL& url,
1620     const std::vector<std::pair<int, int> >& render_frames,
1621     base::Callback<void(bool)> callback,
1622     bool allow) {
1623   DCHECK(BrowserThread:: CurrentlyOn(BrowserThread::IO));
1624   std::vector<std::pair<int, int> >::const_iterator i;
1625   std::map<int, int> process_map;
1626   std::map<int, int>::const_iterator it;
1627   bool has_web_view_guest = false;
1628   // Record access to file system for potential display in UI.
1629   for (i = render_frames.begin(); i != render_frames.end(); ++i) {
1630     if (process_map.find(i->first) != process_map.end())
1631       continue;
1632
1633     process_map.insert(std::pair<int, int>(i->first, i->second));
1634
1635     if (extensions::WebViewRendererState::GetInstance()->IsGuest(i->first))
1636       has_web_view_guest = true;
1637   }
1638   if (!has_web_view_guest) {
1639     FileSystemAccessed(url, render_frames, callback, allow);
1640     return;
1641   }
1642   DCHECK_EQ(1U, process_map.size());
1643   it = process_map.begin();
1644   BrowserThread::PostTask(
1645       BrowserThread::UI,
1646       FROM_HERE,
1647       base::Bind(&ChromeContentBrowserClient::
1648                   RequestFileSystemPermissionOnUIThread,
1649                   it->first,
1650                   it->second,
1651                   url,
1652                   allow,
1653                   base::Bind(&ChromeContentBrowserClient::FileSystemAccessed,
1654                             weak_factory_.GetWeakPtr(),
1655                             url,
1656                             render_frames,
1657                             callback)));
1658 }
1659
1660 void ChromeContentBrowserClient::RequestFileSystemPermissionOnUIThread(
1661     int render_process_id,
1662     int render_frame_id,
1663     const GURL& url,
1664     bool allowed_by_default,
1665     const base::Callback<void(bool)>& callback) {
1666   DCHECK(BrowserThread:: CurrentlyOn(BrowserThread::UI));
1667   extensions::WebViewPermissionHelper* web_view_permission_helper =
1668       extensions::WebViewPermissionHelper::FromFrameID(
1669           render_process_id, render_frame_id);
1670   web_view_permission_helper->RequestFileSystemPermission(url,
1671                                                           allowed_by_default,
1672                                                           callback);
1673 }
1674 #endif
1675
1676 void ChromeContentBrowserClient::FileSystemAccessed(
1677     const GURL& url,
1678     const std::vector<std::pair<int, int> >& render_frames,
1679     base::Callback<void(bool)> callback,
1680     bool allow) {
1681   // Record access to file system for potential display in UI.
1682   std::vector<std::pair<int, int> >::const_iterator i;
1683   for (i = render_frames.begin(); i != render_frames.end(); ++i) {
1684     BrowserThread::PostTask(
1685         BrowserThread::UI,
1686         FROM_HERE,
1687         base::Bind(&TabSpecificContentSettings::FileSystemAccessed,
1688                    i->first, i->second, url, !allow));
1689   }
1690   callback.Run(allow);
1691 }
1692
1693 bool ChromeContentBrowserClient::AllowWorkerIndexedDB(
1694     const GURL& url,
1695     const base::string16& name,
1696     content::ResourceContext* context,
1697     const std::vector<std::pair<int, int> >& render_frames) {
1698   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
1699   ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
1700   CookieSettings* cookie_settings = io_data->GetCookieSettings();
1701   bool allow = cookie_settings->IsSettingCookieAllowed(url, url);
1702
1703   // Record access to IndexedDB for potential display in UI.
1704   std::vector<std::pair<int, int> >::const_iterator i;
1705   for (i = render_frames.begin(); i != render_frames.end(); ++i) {
1706     BrowserThread::PostTask(
1707         BrowserThread::UI, FROM_HERE,
1708         base::Bind(&TabSpecificContentSettings::IndexedDBAccessed,
1709                    i->first, i->second, url, name, !allow));
1710   }
1711
1712   return allow;
1713 }
1714
1715 net::URLRequestContext*
1716 ChromeContentBrowserClient::OverrideRequestContextForURL(
1717     const GURL& url, content::ResourceContext* context) {
1718   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
1719 #if defined(ENABLE_EXTENSIONS)
1720   if (url.SchemeIs(extensions::kExtensionScheme)) {
1721     ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
1722     return io_data->extensions_request_context();
1723   }
1724 #endif
1725
1726   return NULL;
1727 }
1728
1729 QuotaPermissionContext*
1730 ChromeContentBrowserClient::CreateQuotaPermissionContext() {
1731   return new ChromeQuotaPermissionContext();
1732 }
1733
1734 void ChromeContentBrowserClient::AllowCertificateError(
1735     int render_process_id,
1736     int render_frame_id,
1737     int cert_error,
1738     const net::SSLInfo& ssl_info,
1739     const GURL& request_url,
1740     ResourceType resource_type,
1741     bool overridable,
1742     bool strict_enforcement,
1743     bool expired_previous_decision,
1744     const base::Callback<void(bool)>& callback,
1745     content::CertificateRequestResultType* result) {
1746   if (resource_type != content::RESOURCE_TYPE_MAIN_FRAME) {
1747     // A sub-resource has a certificate error.  The user doesn't really
1748     // have a context for making the right decision, so block the
1749     // request hard, without an info bar to allow showing the insecure
1750     // content.
1751     *result = content::CERTIFICATE_REQUEST_RESULT_TYPE_DENY;
1752     return;
1753   }
1754
1755   // If the tab is being prerendered, cancel the prerender and the request.
1756   content::RenderFrameHost* render_frame_host =
1757       content::RenderFrameHost::FromID(render_process_id, render_frame_id);
1758   WebContents* tab = WebContents::FromRenderFrameHost(render_frame_host);
1759   if (!tab) {
1760     NOTREACHED();
1761     return;
1762   }
1763
1764   prerender::PrerenderContents* prerender_contents =
1765       prerender::PrerenderContents::FromWebContents(tab);
1766   if (prerender_contents) {
1767     prerender_contents->Destroy(prerender::FINAL_STATUS_SSL_ERROR);
1768     *result = content::CERTIFICATE_REQUEST_RESULT_TYPE_CANCEL;
1769     return;
1770   }
1771
1772   // Otherwise, display an SSL blocking page. The interstitial page takes
1773   // ownership of ssl_blocking_page.
1774   int options_mask = 0;
1775   if (overridable)
1776     options_mask |= SSLBlockingPage::OVERRIDABLE;
1777   if (strict_enforcement)
1778     options_mask |= SSLBlockingPage::STRICT_ENFORCEMENT;
1779   if (expired_previous_decision)
1780     options_mask |= SSLBlockingPage::EXPIRED_BUT_PREVIOUSLY_ALLOWED;
1781
1782   SSLErrorHandler::HandleSSLError(
1783       tab, cert_error, ssl_info, request_url, options_mask, callback);
1784 }
1785
1786 void ChromeContentBrowserClient::SelectClientCertificate(
1787     int render_process_id,
1788     int render_frame_id,
1789     net::SSLCertRequestInfo* cert_request_info,
1790     const base::Callback<void(net::X509Certificate*)>& callback) {
1791   content::RenderFrameHost* rfh = content::RenderFrameHost::FromID(
1792       render_process_id, render_frame_id);
1793   WebContents* tab = WebContents::FromRenderFrameHost(rfh);
1794   if (!tab) {
1795     // TODO(davidben): This makes the request hang, but returning no certificate
1796     // also breaks. It should abort the request. See https://crbug.com/417092
1797     return;
1798   }
1799
1800   prerender::PrerenderContents* prerender_contents =
1801       prerender::PrerenderContents::FromWebContents(tab);
1802   if (prerender_contents) {
1803     prerender_contents->Destroy(
1804         prerender::FINAL_STATUS_SSL_CLIENT_CERTIFICATE_REQUESTED);
1805     return;
1806   }
1807
1808   GURL requesting_url("https://" + cert_request_info->host_and_port.ToString());
1809   DCHECK(requesting_url.is_valid())
1810       << "Invalid URL string: https://"
1811       << cert_request_info->host_and_port.ToString();
1812
1813   Profile* profile = Profile::FromBrowserContext(tab->GetBrowserContext());
1814   scoped_ptr<base::Value> filter =
1815       profile->GetHostContentSettingsMap()->GetWebsiteSetting(
1816           requesting_url,
1817           requesting_url,
1818           CONTENT_SETTINGS_TYPE_AUTO_SELECT_CERTIFICATE,
1819           std::string(),
1820           NULL);
1821
1822   if (filter.get()) {
1823     // Try to automatically select a client certificate.
1824     if (filter->IsType(base::Value::TYPE_DICTIONARY)) {
1825       base::DictionaryValue* filter_dict =
1826           static_cast<base::DictionaryValue*>(filter.get());
1827
1828       const std::vector<scoped_refptr<net::X509Certificate> >&
1829           all_client_certs = cert_request_info->client_certs;
1830       for (size_t i = 0; i < all_client_certs.size(); ++i) {
1831         if (CertMatchesFilter(*all_client_certs[i].get(), *filter_dict)) {
1832           // Use the first certificate that is matched by the filter.
1833           callback.Run(all_client_certs[i].get());
1834           return;
1835         }
1836       }
1837     } else {
1838       NOTREACHED();
1839     }
1840   }
1841
1842   chrome::ShowSSLClientCertificateSelector(tab, cert_request_info, callback);
1843 }
1844
1845 void ChromeContentBrowserClient::AddCertificate(
1846     net::CertificateMimeType cert_type,
1847     const void* cert_data,
1848     size_t cert_size,
1849     int render_process_id,
1850     int render_frame_id) {
1851   chrome::SSLAddCertificate(cert_type, cert_data, cert_size,
1852                             render_process_id, render_frame_id);
1853 }
1854
1855 content::MediaObserver* ChromeContentBrowserClient::GetMediaObserver() {
1856   return MediaCaptureDevicesDispatcher::GetInstance();
1857 }
1858
1859 content::PlatformNotificationService*
1860 ChromeContentBrowserClient::GetPlatformNotificationService() {
1861 #if defined(ENABLE_NOTIFICATIONS)
1862   return PlatformNotificationServiceImpl::GetInstance();
1863 #else
1864   NOTIMPLEMENTED();
1865   return NULL;
1866 #endif
1867 }
1868
1869 void ChromeContentBrowserClient::RequestPermission(
1870     content::PermissionType permission,
1871     content::WebContents* web_contents,
1872     int bridge_id,
1873     const GURL& requesting_frame,
1874     bool user_gesture,
1875     const base::Callback<void(bool)>& result_callback) {
1876   int render_process_id = web_contents->GetRenderProcessHost()->GetID();
1877   int render_view_id = web_contents->GetRenderViewHost()->GetRoutingID();
1878   Profile* profile =
1879       Profile::FromBrowserContext(web_contents->GetBrowserContext());
1880
1881   const PermissionRequestID request_id(render_process_id,
1882                                        render_view_id,
1883                                        bridge_id,
1884                                        requesting_frame);
1885
1886   switch (permission) {
1887     case content::PERMISSION_MIDI_SYSEX:
1888       MidiPermissionContextFactory::GetForProfile(profile)
1889           ->RequestPermission(web_contents,
1890                               request_id,
1891                               requesting_frame,
1892                               user_gesture,
1893                               result_callback);
1894       break;
1895     case content::PERMISSION_NOTIFICATIONS:
1896 #if defined(ENABLE_NOTIFICATIONS)
1897       DesktopNotificationServiceFactory::GetForProfile(profile)
1898           ->RequestNotificationPermission(web_contents,
1899                                           request_id,
1900                                           requesting_frame,
1901                                           user_gesture,
1902                                           result_callback);
1903 #else
1904       NOTIMPLEMENTED();
1905 #endif
1906       break;
1907     case content::PERMISSION_GEOLOCATION:
1908       GeolocationPermissionContextFactory::GetForProfile(profile)
1909           ->RequestPermission(web_contents,
1910                               request_id,
1911                               requesting_frame.GetOrigin(),
1912                               user_gesture,
1913                               result_callback);
1914       break;
1915     case content::PERMISSION_PROTECTED_MEDIA:
1916 #if defined(OS_ANDROID)
1917       ProtectedMediaIdentifierPermissionContextFactory::GetForProfile(profile)
1918           ->RequestPermission(web_contents,
1919                               request_id,
1920                               requesting_frame.GetOrigin(),
1921                               user_gesture,
1922                               result_callback);
1923 #else
1924       NOTIMPLEMENTED();
1925 #endif
1926       break;
1927     case content::PERMISSION_PUSH_MESSAGING:
1928       gcm::PushMessagingPermissionContextFactory::GetForProfile(profile)
1929           ->RequestPermission(web_contents,
1930                               request_id,
1931                               requesting_frame.GetOrigin(),
1932                               user_gesture,
1933                               result_callback);
1934       break;
1935     case content::PERMISSION_NUM:
1936       NOTREACHED() << "Invalid RequestPermission for " << permission;
1937       break;
1938   }
1939 }
1940
1941 content::PermissionStatus ChromeContentBrowserClient::GetPermissionStatus(
1942     content::PermissionType permission,
1943     content::BrowserContext* browser_context,
1944     const GURL& requesting_origin,
1945     const GURL& embedding_origin) {
1946   DCHECK(browser_context);
1947   Profile* profile = Profile::FromBrowserContext(browser_context);
1948
1949   PermissionContextBase* context = nullptr;
1950   switch (permission) {
1951     case content::PERMISSION_MIDI_SYSEX:
1952       context = MidiPermissionContextFactory::GetForProfile(profile);
1953       break;
1954     case content::PERMISSION_NOTIFICATIONS:
1955 #if defined(ENABLE_NOTIFICATIONS)
1956       context = DesktopNotificationServiceFactory::GetForProfile(profile);
1957 #else
1958       NOTIMPLEMENTED();
1959 #endif
1960       break;
1961     case content::PERMISSION_GEOLOCATION:
1962       context = GeolocationPermissionContextFactory::GetForProfile(profile);
1963       break;
1964     case content::PERMISSION_PROTECTED_MEDIA:
1965       NOTIMPLEMENTED();
1966       break;
1967     case content::PERMISSION_PUSH_MESSAGING:
1968       context = gcm::PushMessagingPermissionContextFactory::GetForProfile(
1969           profile);
1970       break;
1971     case content::PERMISSION_NUM:
1972       NOTREACHED() << "Invalid RequestPermission for " << permission;
1973       break;
1974   }
1975
1976   ContentSetting result = context
1977       ? context->GetPermissionStatus(requesting_origin.GetOrigin(),
1978                                      embedding_origin.GetOrigin())
1979       : CONTENT_SETTING_DEFAULT;
1980
1981   return ContentSettingToPermissionStatus(result);
1982 }
1983
1984 void ChromeContentBrowserClient::CancelPermissionRequest(
1985     content::PermissionType permission,
1986     content::WebContents* web_contents,
1987     int bridge_id,
1988     const GURL& requesting_frame) {
1989   int render_process_id = web_contents->GetRenderProcessHost()->GetID();
1990   int render_view_id = web_contents->GetRenderViewHost()->GetRoutingID();
1991
1992   const PermissionRequestID request_id(render_process_id,
1993                                        render_view_id,
1994                                        bridge_id,
1995                                        requesting_frame);
1996   Profile* profile =
1997       Profile::FromBrowserContext(web_contents->GetBrowserContext());
1998   switch (permission) {
1999     case content::PERMISSION_MIDI_SYSEX:
2000       MidiPermissionContextFactory::GetForProfile(profile)
2001           ->CancelPermissionRequest(web_contents, request_id);
2002       break;
2003     case content::PERMISSION_NOTIFICATIONS:
2004 #if defined(ENABLE_NOTIFICATIONS)
2005       DesktopNotificationServiceFactory::GetForProfile(profile)
2006           ->CancelPermissionRequest(web_contents, request_id);
2007 #else
2008       NOTIMPLEMENTED();
2009 #endif
2010       break;
2011     case content::PERMISSION_GEOLOCATION:
2012       GeolocationPermissionContextFactory::GetForProfile(profile)
2013           ->CancelPermissionRequest(web_contents, request_id);
2014       break;
2015     case content::PERMISSION_PROTECTED_MEDIA:
2016 #if defined(OS_ANDROID)
2017       ProtectedMediaIdentifierPermissionContextFactory::GetForProfile(profile)
2018           ->CancelPermissionRequest(web_contents, request_id);
2019 #else
2020       NOTIMPLEMENTED();
2021 #endif
2022       break;
2023     case content::PERMISSION_PUSH_MESSAGING:
2024       NOTIMPLEMENTED() << "CancelPermission not implemented for " << permission;
2025       break;
2026     case content::PERMISSION_NUM:
2027       NOTREACHED() << "Invalid CancelPermission for " << permission;
2028       break;
2029   }
2030 }
2031
2032 // Helper method to translate from Permissions to ContentSettings
2033 static ContentSettingsType PermissionToContentSetting(
2034     content::PermissionType permission) {
2035   switch (permission) {
2036     case content::PERMISSION_MIDI_SYSEX:
2037       return CONTENT_SETTINGS_TYPE_MIDI_SYSEX;
2038     case content::PERMISSION_PUSH_MESSAGING:
2039       return CONTENT_SETTINGS_TYPE_PUSH_MESSAGING;
2040     case content::PERMISSION_NOTIFICATIONS:
2041       return CONTENT_SETTINGS_TYPE_NOTIFICATIONS;
2042     case content::PERMISSION_GEOLOCATION:
2043       return CONTENT_SETTINGS_TYPE_GEOLOCATION;
2044 #if defined(OS_ANDROID) || defined(OS_CHROMEOS)
2045     case content::PERMISSION_PROTECTED_MEDIA:
2046       return CONTENT_SETTINGS_TYPE_PROTECTED_MEDIA_IDENTIFIER;
2047 #endif
2048     default:
2049       NOTREACHED() << "Unknown content setting for permission " << permission;
2050       return CONTENT_SETTINGS_TYPE_DEFAULT;
2051   }
2052 }
2053
2054 void ChromeContentBrowserClient::RegisterPermissionUsage(
2055     content::PermissionType permission,
2056     content::WebContents* web_contents,
2057     const GURL& frame_url,
2058     const GURL& main_frame_url) {
2059   Profile::FromBrowserContext(web_contents->GetBrowserContext())
2060       ->GetHostContentSettingsMap()
2061       ->UpdateLastUsage(
2062           frame_url, main_frame_url, PermissionToContentSetting(permission));
2063 }
2064
2065 bool ChromeContentBrowserClient::CanCreateWindow(
2066     const GURL& opener_url,
2067     const GURL& opener_top_level_frame_url,
2068     const GURL& source_origin,
2069     WindowContainerType container_type,
2070     const GURL& target_url,
2071     const content::Referrer& referrer,
2072     WindowOpenDisposition disposition,
2073     const WebWindowFeatures& features,
2074     bool user_gesture,
2075     bool opener_suppressed,
2076     content::ResourceContext* context,
2077     int render_process_id,
2078     int opener_id,
2079     bool* no_javascript_access) {
2080   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
2081
2082   *no_javascript_access = false;
2083
2084   // If the opener is trying to create a background window but doesn't have
2085   // the appropriate permission, fail the attempt.
2086   if (container_type == WINDOW_CONTAINER_TYPE_BACKGROUND) {
2087 #if defined(ENABLE_EXTENSIONS)
2088     ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
2089     InfoMap* map = io_data->GetExtensionInfoMap();
2090     if (!map->SecurityOriginHasAPIPermission(
2091             source_origin,
2092             render_process_id,
2093             APIPermission::kBackground)) {
2094       return false;
2095     }
2096
2097     // Note: this use of GetExtensionOrAppByURL is safe but imperfect.  It may
2098     // return a recently installed Extension even if this CanCreateWindow call
2099     // was made by an old copy of the page in a normal web process.  That's ok,
2100     // because the permission check above would have caused an early return
2101     // already. We must use the full URL to find hosted apps, though, and not
2102     // just the origin.
2103     const Extension* extension =
2104         map->extensions().GetExtensionOrAppByURL(opener_url);
2105     if (extension && !extensions::BackgroundInfo::AllowJSAccess(extension))
2106       *no_javascript_access = true;
2107 #endif
2108
2109     return true;
2110   }
2111
2112 #if defined(ENABLE_EXTENSIONS)
2113   if (extensions::WebViewRendererState::GetInstance()->IsGuest(
2114       render_process_id))
2115     return true;
2116 #endif
2117
2118   HostContentSettingsMap* content_settings =
2119       ProfileIOData::FromResourceContext(context)->GetHostContentSettingsMap();
2120   BlockedWindowParams blocked_params(target_url,
2121                                      referrer,
2122                                      disposition,
2123                                      features,
2124                                      user_gesture,
2125                                      opener_suppressed,
2126                                      render_process_id,
2127                                      opener_id);
2128
2129   if (!user_gesture &&
2130       !base::CommandLine::ForCurrentProcess()->HasSwitch(
2131           switches::kDisablePopupBlocking)) {
2132     if (content_settings->GetContentSetting(opener_top_level_frame_url,
2133                                             opener_top_level_frame_url,
2134                                             CONTENT_SETTINGS_TYPE_POPUPS,
2135                                             std::string()) !=
2136         CONTENT_SETTING_ALLOW) {
2137       BrowserThread::PostTask(BrowserThread::UI,
2138                               FROM_HERE,
2139                               base::Bind(&HandleBlockedPopupOnUIThread,
2140                                          blocked_params));
2141       return false;
2142     }
2143   }
2144
2145 #if defined(OS_ANDROID)
2146   if (SingleTabModeTabHelper::IsRegistered(render_process_id, opener_id)) {
2147     BrowserThread::PostTask(BrowserThread::UI,
2148                             FROM_HERE,
2149                             base::Bind(&HandleSingleTabModeBlockOnUIThread,
2150                                        blocked_params));
2151     return false;
2152   }
2153 #endif
2154
2155   return true;
2156 }
2157
2158 void ChromeContentBrowserClient::ResourceDispatcherHostCreated() {
2159   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
2160   prerender_tracker_ = g_browser_process->prerender_tracker();
2161   return g_browser_process->ResourceDispatcherHostCreated();
2162 }
2163
2164 content::SpeechRecognitionManagerDelegate*
2165     ChromeContentBrowserClient::CreateSpeechRecognitionManagerDelegate() {
2166   return new speech::ChromeSpeechRecognitionManagerDelegate();
2167 }
2168
2169 net::NetLog* ChromeContentBrowserClient::GetNetLog() {
2170   return g_browser_process->net_log();
2171 }
2172
2173 AccessTokenStore* ChromeContentBrowserClient::CreateAccessTokenStore() {
2174   return new ChromeAccessTokenStore();
2175 }
2176
2177 bool ChromeContentBrowserClient::IsFastShutdownPossible() {
2178   return true;
2179 }
2180
2181 void ChromeContentBrowserClient::OverrideWebkitPrefs(
2182     RenderViewHost* rvh, const GURL& url, WebPreferences* web_prefs) {
2183   Profile* profile = Profile::FromBrowserContext(
2184       rvh->GetProcess()->GetBrowserContext());
2185   PrefService* prefs = profile->GetPrefs();
2186
2187   // Fill per-script font preferences. These are not registered on Android
2188   // - http://crbug.com/308033.
2189 #if !defined(OS_ANDROID)
2190   FontFamilyCache::FillFontFamilyMap(profile,
2191                                      prefs::kWebKitStandardFontFamilyMap,
2192                                      &web_prefs->standard_font_family_map);
2193   FontFamilyCache::FillFontFamilyMap(profile,
2194                                      prefs::kWebKitFixedFontFamilyMap,
2195                                      &web_prefs->fixed_font_family_map);
2196   FontFamilyCache::FillFontFamilyMap(profile,
2197                                      prefs::kWebKitSerifFontFamilyMap,
2198                                      &web_prefs->serif_font_family_map);
2199   FontFamilyCache::FillFontFamilyMap(profile,
2200                                      prefs::kWebKitSansSerifFontFamilyMap,
2201                                      &web_prefs->sans_serif_font_family_map);
2202   FontFamilyCache::FillFontFamilyMap(profile,
2203                                      prefs::kWebKitCursiveFontFamilyMap,
2204                                      &web_prefs->cursive_font_family_map);
2205   FontFamilyCache::FillFontFamilyMap(profile,
2206                                      prefs::kWebKitFantasyFontFamilyMap,
2207                                      &web_prefs->fantasy_font_family_map);
2208   FontFamilyCache::FillFontFamilyMap(profile,
2209                                      prefs::kWebKitPictographFontFamilyMap,
2210                                      &web_prefs->pictograph_font_family_map);
2211 #endif
2212
2213   web_prefs->default_font_size =
2214       prefs->GetInteger(prefs::kWebKitDefaultFontSize);
2215   web_prefs->default_fixed_font_size =
2216       prefs->GetInteger(prefs::kWebKitDefaultFixedFontSize);
2217   web_prefs->minimum_font_size =
2218       prefs->GetInteger(prefs::kWebKitMinimumFontSize);
2219   web_prefs->minimum_logical_font_size =
2220       prefs->GetInteger(prefs::kWebKitMinimumLogicalFontSize);
2221
2222   web_prefs->default_encoding = prefs->GetString(prefs::kDefaultCharset);
2223
2224   web_prefs->javascript_can_open_windows_automatically =
2225       prefs->GetBoolean(prefs::kWebKitJavascriptCanOpenWindowsAutomatically);
2226   web_prefs->dom_paste_enabled =
2227       prefs->GetBoolean(prefs::kWebKitDomPasteEnabled);
2228   web_prefs->shrinks_standalone_images_to_fit =
2229       prefs->GetBoolean(prefs::kWebKitShrinksStandaloneImagesToFit);
2230   web_prefs->tabs_to_links = prefs->GetBoolean(prefs::kWebkitTabsToLinks);
2231
2232   if (!prefs->GetBoolean(prefs::kWebKitJavascriptEnabled))
2233     web_prefs->javascript_enabled = false;
2234   if (!prefs->GetBoolean(prefs::kWebKitWebSecurityEnabled))
2235     web_prefs->web_security_enabled = false;
2236   if (!prefs->GetBoolean(prefs::kWebKitPluginsEnabled))
2237     web_prefs->plugins_enabled = false;
2238   if (!prefs->GetBoolean(prefs::kWebKitJavaEnabled))
2239     web_prefs->java_enabled = false;
2240   web_prefs->loads_images_automatically =
2241       prefs->GetBoolean(prefs::kWebKitLoadsImagesAutomatically);
2242
2243   if (prefs->GetBoolean(prefs::kDisable3DAPIs))
2244     web_prefs->experimental_webgl_enabled = false;
2245
2246   web_prefs->allow_displaying_insecure_content =
2247       prefs->GetBoolean(prefs::kWebKitAllowDisplayingInsecureContent);
2248   web_prefs->allow_running_insecure_content =
2249       prefs->GetBoolean(prefs::kWebKitAllowRunningInsecureContent);
2250 #if defined(OS_ANDROID)
2251   web_prefs->font_scale_factor =
2252       static_cast<float>(prefs->GetDouble(prefs::kWebKitFontScaleFactor));
2253   web_prefs->device_scale_adjustment = GetDeviceScaleAdjustment();
2254   web_prefs->force_enable_zoom =
2255       prefs->GetBoolean(prefs::kWebKitForceEnableZoom);
2256 #endif
2257
2258 #if defined(OS_ANDROID)
2259   web_prefs->password_echo_enabled =
2260       prefs->GetBoolean(prefs::kWebKitPasswordEchoEnabled);
2261 #else
2262   web_prefs->password_echo_enabled = browser_defaults::kPasswordEchoEnabled;
2263 #endif
2264
2265   web_prefs->asynchronous_spell_checking_enabled = true;
2266   web_prefs->unified_textchecker_enabled = true;
2267
2268   web_prefs->uses_universal_detector =
2269       prefs->GetBoolean(prefs::kWebKitUsesUniversalDetector);
2270   web_prefs->text_areas_are_resizable =
2271       prefs->GetBoolean(prefs::kWebKitTextAreasAreResizable);
2272   web_prefs->hyperlink_auditing_enabled =
2273       prefs->GetBoolean(prefs::kEnableHyperlinkAuditing);
2274
2275   // Make sure we will set the default_encoding with canonical encoding name.
2276   web_prefs->default_encoding =
2277       CharacterEncoding::GetCanonicalEncodingNameByAliasName(
2278           web_prefs->default_encoding);
2279   if (web_prefs->default_encoding.empty()) {
2280     prefs->ClearPref(prefs::kDefaultCharset);
2281     web_prefs->default_encoding = prefs->GetString(prefs::kDefaultCharset);
2282   }
2283   DCHECK(!web_prefs->default_encoding.empty());
2284
2285   if (base::CommandLine::ForCurrentProcess()->HasSwitch(
2286           switches::kEnablePotentiallyAnnoyingSecurityFeatures)) {
2287     web_prefs->disable_reading_from_canvas = true;
2288     web_prefs->strict_mixed_content_checking = true;
2289     web_prefs->strict_powerful_feature_restrictions = true;
2290   }
2291
2292   for (size_t i = 0; i < extra_parts_.size(); ++i)
2293     extra_parts_[i]->OverrideWebkitPrefs(rvh, url, web_prefs);
2294 }
2295
2296 void ChromeContentBrowserClient::BrowserURLHandlerCreated(
2297     BrowserURLHandler* handler) {
2298   for (size_t i = 0; i < extra_parts_.size(); ++i)
2299     extra_parts_[i]->BrowserURLHandlerCreated(handler);
2300
2301   // about: handler. Must come before chrome: handler, since it will
2302   // rewrite about: urls to chrome: URLs and then expect chrome: to
2303   // actually handle them.
2304   handler->AddHandlerPair(&WillHandleBrowserAboutURL,
2305                           BrowserURLHandler::null_handler());
2306
2307 #if defined(OS_ANDROID)
2308   // Handler to rewrite chrome://newtab on Android.
2309   handler->AddHandlerPair(&chrome::android::HandleAndroidNativePageURL,
2310                           BrowserURLHandler::null_handler());
2311 #else
2312   // Handler to rewrite chrome://newtab for InstantExtended.
2313   handler->AddHandlerPair(&chrome::HandleNewTabURLRewrite,
2314                           &chrome::HandleNewTabURLReverseRewrite);
2315 #endif
2316
2317   // chrome: & friends.
2318   handler->AddHandlerPair(&HandleWebUI, &HandleWebUIReverse);
2319 }
2320
2321 void ChromeContentBrowserClient::ClearCache(RenderViewHost* rvh) {
2322   Profile* profile = Profile::FromBrowserContext(
2323       rvh->GetSiteInstance()->GetProcess()->GetBrowserContext());
2324   BrowsingDataRemover* remover =
2325       BrowsingDataRemover::CreateForUnboundedRange(profile);
2326   remover->Remove(BrowsingDataRemover::REMOVE_CACHE,
2327                   BrowsingDataHelper::UNPROTECTED_WEB);
2328   // BrowsingDataRemover takes care of deleting itself when done.
2329 }
2330
2331 void ChromeContentBrowserClient::ClearCookies(RenderViewHost* rvh) {
2332   Profile* profile = Profile::FromBrowserContext(
2333       rvh->GetSiteInstance()->GetProcess()->GetBrowserContext());
2334   BrowsingDataRemover* remover =
2335       BrowsingDataRemover::CreateForUnboundedRange(profile);
2336   int remove_mask = BrowsingDataRemover::REMOVE_SITE_DATA;
2337   remover->Remove(remove_mask, BrowsingDataHelper::UNPROTECTED_WEB);
2338   // BrowsingDataRemover takes care of deleting itself when done.
2339 }
2340
2341 base::FilePath ChromeContentBrowserClient::GetDefaultDownloadDirectory() {
2342   return DownloadPrefs::GetDefaultDownloadDirectory();
2343 }
2344
2345 std::string ChromeContentBrowserClient::GetDefaultDownloadName() {
2346   return l10n_util::GetStringUTF8(IDS_DEFAULT_DOWNLOAD_FILENAME);
2347 }
2348
2349 void ChromeContentBrowserClient::DidCreatePpapiPlugin(
2350     content::BrowserPpapiHost* browser_host) {
2351 #if defined(ENABLE_PLUGINS)
2352   ChromeContentBrowserClientPluginsPart::DidCreatePpapiPlugin(browser_host);
2353 #endif
2354 }
2355
2356 content::BrowserPpapiHost*
2357     ChromeContentBrowserClient::GetExternalBrowserPpapiHost(
2358         int plugin_process_id) {
2359 #if !defined(DISABLE_NACL)
2360   content::BrowserChildProcessHostIterator iter(PROCESS_TYPE_NACL_LOADER);
2361   while (!iter.Done()) {
2362     nacl::NaClProcessHost* host = static_cast<nacl::NaClProcessHost*>(
2363         iter.GetDelegate());
2364     if (host->process() &&
2365         host->process()->GetData().id == plugin_process_id) {
2366       // Found the plugin.
2367       return host->browser_ppapi_host();
2368     }
2369     ++iter;
2370   }
2371 #endif
2372   return NULL;
2373 }
2374
2375 bool ChromeContentBrowserClient::AllowPepperSocketAPI(
2376     content::BrowserContext* browser_context,
2377     const GURL& url,
2378     bool private_api,
2379     const content::SocketPermissionRequest* params) {
2380 #if defined(ENABLE_PLUGINS) && defined(ENABLE_EXTENSIONS)
2381   return ChromeContentBrowserClientPluginsPart::AllowPepperSocketAPI(
2382       browser_context, url, private_api, params, allowed_socket_origins_);
2383 #else
2384   return false;
2385 #endif
2386 }
2387
2388 ui::SelectFilePolicy* ChromeContentBrowserClient::CreateSelectFilePolicy(
2389     WebContents* web_contents) {
2390   return new ChromeSelectFilePolicy(web_contents);
2391 }
2392
2393 void ChromeContentBrowserClient::GetAdditionalAllowedSchemesForFileSystem(
2394     std::vector<std::string>* additional_allowed_schemes) {
2395   ContentBrowserClient::GetAdditionalAllowedSchemesForFileSystem(
2396       additional_allowed_schemes);
2397   additional_allowed_schemes->push_back(content::kChromeDevToolsScheme);
2398   additional_allowed_schemes->push_back(content::kChromeUIScheme);
2399   for (size_t i = 0; i < extra_parts_.size(); ++i) {
2400     extra_parts_[i]->GetAdditionalAllowedSchemesForFileSystem(
2401         additional_allowed_schemes);
2402   }
2403 }
2404
2405 void ChromeContentBrowserClient::GetURLRequestAutoMountHandlers(
2406     std::vector<storage::URLRequestAutoMountHandler>* handlers) {
2407   for (size_t i = 0; i < extra_parts_.size(); ++i)
2408     extra_parts_[i]->GetURLRequestAutoMountHandlers(handlers);
2409 }
2410
2411 void ChromeContentBrowserClient::GetAdditionalFileSystemBackends(
2412     content::BrowserContext* browser_context,
2413     const base::FilePath& storage_partition_path,
2414     ScopedVector<storage::FileSystemBackend>* additional_backends) {
2415 #if defined(OS_CHROMEOS)
2416   storage::ExternalMountPoints* external_mount_points =
2417       content::BrowserContext::GetMountPoints(browser_context);
2418   DCHECK(external_mount_points);
2419   chromeos::FileSystemBackend* backend = new chromeos::FileSystemBackend(
2420       new drive::FileSystemBackendDelegate,
2421       new chromeos::file_system_provider::BackendDelegate,
2422       new chromeos::MTPFileSystemBackendDelegate(storage_partition_path),
2423       browser_context->GetSpecialStoragePolicy(),
2424       external_mount_points,
2425       storage::ExternalMountPoints::GetSystemInstance());
2426   backend->AddSystemMountPoints();
2427   DCHECK(backend->CanHandleType(storage::kFileSystemTypeExternal));
2428   additional_backends->push_back(backend);
2429 #endif
2430
2431   for (size_t i = 0; i < extra_parts_.size(); ++i) {
2432     extra_parts_[i]->GetAdditionalFileSystemBackends(
2433         browser_context, storage_partition_path, additional_backends);
2434   }
2435 }
2436
2437 #if defined(OS_POSIX) && !defined(OS_MACOSX)
2438 void ChromeContentBrowserClient::GetAdditionalMappedFilesForChildProcess(
2439     const base::CommandLine& command_line,
2440     int child_process_id,
2441     FileDescriptorInfo* mappings) {
2442 #if defined(OS_ANDROID)
2443   base::FilePath data_path;
2444   PathService::Get(ui::DIR_RESOURCE_PAKS_ANDROID, &data_path);
2445   DCHECK(!data_path.empty());
2446
2447   int flags = base::File::FLAG_OPEN | base::File::FLAG_READ;
2448   base::FilePath chrome_resources_pak =
2449       data_path.AppendASCII("chrome_100_percent.pak");
2450   base::File file(chrome_resources_pak, flags);
2451   DCHECK(file.IsValid());
2452   mappings->Transfer(kAndroidChrome100PercentPakDescriptor,
2453                      base::ScopedFD(file.TakePlatformFile()));
2454
2455   const std::string locale = GetApplicationLocale();
2456   base::FilePath locale_pak = ResourceBundle::GetSharedInstance().
2457       GetLocaleFilePath(locale, false);
2458   file.Initialize(locale_pak, flags);
2459   DCHECK(file.IsValid());
2460   mappings->Transfer(kAndroidLocalePakDescriptor,
2461                      base::ScopedFD(file.TakePlatformFile()));
2462
2463   base::FilePath resources_pack_path;
2464   PathService::Get(chrome::FILE_RESOURCES_PACK, &resources_pack_path);
2465   file.Initialize(resources_pack_path, flags);
2466   DCHECK(file.IsValid());
2467   mappings->Transfer(kAndroidUIResourcesPakDescriptor,
2468                      base::ScopedFD(file.TakePlatformFile()));
2469
2470   if (breakpad::IsCrashReporterEnabled()) {
2471     file = breakpad::CrashDumpManager::GetInstance()->CreateMinidumpFile(
2472                child_process_id);
2473     if (file.IsValid()) {
2474       mappings->Transfer(kAndroidMinidumpDescriptor,
2475                          base::ScopedFD(file.TakePlatformFile()));
2476     } else {
2477       LOG(ERROR) << "Failed to create file for minidump, crash reporting will "
2478                  "be disabled for this process.";
2479     }
2480   }
2481
2482   base::FilePath app_data_path;
2483   PathService::Get(base::DIR_ANDROID_APP_DATA, &app_data_path);
2484   DCHECK(!app_data_path.empty());
2485
2486   flags = base::File::FLAG_OPEN | base::File::FLAG_READ;
2487   base::FilePath icudata_path =
2488       app_data_path.AppendASCII(base::i18n::kIcuDataFileName);
2489   base::File icudata_file(icudata_path, flags);
2490   DCHECK(icudata_file.IsValid());
2491   mappings->Transfer(kAndroidICUDataDescriptor,
2492                      base::ScopedFD(icudata_file.TakePlatformFile()));
2493
2494 #ifdef V8_USE_EXTERNAL_STARTUP_DATA
2495   base::FilePath v8_data_path;
2496   PathService::Get(base::DIR_ANDROID_APP_DATA, &v8_data_path);
2497   DCHECK(!v8_data_path.empty());
2498
2499   int file_flags = base::File::FLAG_OPEN | base::File::FLAG_READ;
2500   base::FilePath v8_natives_data_path =
2501       v8_data_path.AppendASCII(gin::IsolateHolder::kNativesFileName);
2502   base::FilePath v8_snapshot_data_path =
2503       v8_data_path.AppendASCII(gin::IsolateHolder::kSnapshotFileName);
2504   base::File v8_natives_data_file(v8_natives_data_path, file_flags);
2505   base::File v8_snapshot_data_file(v8_snapshot_data_path, file_flags);
2506   DCHECK(v8_natives_data_file.IsValid());
2507   DCHECK(v8_snapshot_data_file.IsValid());
2508   mappings->Transfer(kV8NativesDataDescriptor,
2509                      base::ScopedFD(v8_natives_data_file.TakePlatformFile()));
2510   mappings->Transfer(kV8SnapshotDataDescriptor,
2511                      base::ScopedFD(v8_snapshot_data_file.TakePlatformFile()));
2512 #endif  // V8_USE_EXTERNAL_STARTUP_DATA
2513
2514 #else
2515   int crash_signal_fd = GetCrashSignalFD(command_line);
2516   if (crash_signal_fd >= 0) {
2517     mappings->Share(kCrashDumpSignal, crash_signal_fd);
2518   }
2519 #endif  // defined(OS_ANDROID)
2520 }
2521 #endif  // defined(OS_POSIX) && !defined(OS_MACOSX)
2522
2523 #if defined(OS_WIN)
2524 const wchar_t* ChromeContentBrowserClient::GetResourceDllName() {
2525   return chrome::kBrowserResourcesDll;
2526 }
2527
2528 void ChromeContentBrowserClient::PreSpawnRenderer(
2529     sandbox::TargetPolicy* policy,
2530     bool* success) {
2531   // This code is duplicated in nacl_exe_win_64.cc.
2532   // Allow the server side of a pipe restricted to the "chrome.nacl."
2533   // namespace so that it cannot impersonate other system or other chrome
2534   // service pipes.
2535   sandbox::ResultCode result = policy->AddRule(
2536       sandbox::TargetPolicy::SUBSYS_NAMED_PIPES,
2537       sandbox::TargetPolicy::NAMEDPIPES_ALLOW_ANY,
2538       L"\\\\.\\pipe\\chrome.nacl.*");
2539   if (result != sandbox::SBOX_ALL_OK) {
2540     *success = false;
2541     return;
2542   }
2543
2544   // Renderers need to send named pipe handles and shared memory
2545   // segment handles to NaCl loader processes.
2546   result = policy->AddRule(sandbox::TargetPolicy::SUBSYS_HANDLES,
2547                            sandbox::TargetPolicy::HANDLES_DUP_ANY,
2548                            L"File");
2549   if (result != sandbox::SBOX_ALL_OK) {
2550     *success = false;
2551     return;
2552   }
2553 }
2554 #endif
2555
2556 bool ChromeContentBrowserClient::CheckMediaAccessPermission(
2557     content::BrowserContext* browser_context,
2558     const GURL& security_origin,
2559     content::MediaStreamType type) {
2560   return MediaCaptureDevicesDispatcher::GetInstance()
2561       ->CheckMediaAccessPermission(
2562           browser_context, security_origin, type);
2563 }
2564
2565 content::DevToolsManagerDelegate*
2566 ChromeContentBrowserClient::GetDevToolsManagerDelegate() {
2567 #if defined(OS_ANDROID)
2568   return new DevToolsManagerDelegateAndroid();
2569 #else
2570   return new ChromeDevToolsManagerDelegate();
2571 #endif
2572 }
2573
2574 bool ChromeContentBrowserClient::IsPluginAllowedToCallRequestOSFileHandle(
2575     content::BrowserContext* browser_context,
2576     const GURL& url) {
2577 #if defined(ENABLE_PLUGINS) && defined(ENABLE_EXTENSIONS)
2578   return ChromeContentBrowserClientPluginsPart::
2579       IsPluginAllowedToCallRequestOSFileHandle(browser_context, url,
2580                                                allowed_file_handle_origins_);
2581 #else
2582   return false;
2583 #endif
2584 }
2585
2586 bool ChromeContentBrowserClient::IsPluginAllowedToUseDevChannelAPIs(
2587     content::BrowserContext* browser_context,
2588     const GURL& url) {
2589 #if defined(ENABLE_PLUGINS) && defined(ENABLE_EXTENSIONS)
2590   return ChromeContentBrowserClientPluginsPart::
2591       IsPluginAllowedToUseDevChannelAPIs(browser_context, url,
2592                                          allowed_dev_channel_origins_);
2593 #else
2594   return false;
2595 #endif
2596 }
2597
2598 net::CookieStore*
2599 ChromeContentBrowserClient::OverrideCookieStoreForRenderProcess(
2600     int render_process_id) {
2601   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
2602   if (!prerender_tracker_)
2603     return NULL;
2604   return prerender_tracker_->GetPrerenderCookieStoreForRenderProcess(
2605                                  render_process_id).get();
2606 }
2607
2608 #if defined(ENABLE_WEBRTC)
2609 void ChromeContentBrowserClient::MaybeCopyDisableWebRtcEncryptionSwitch(
2610     base::CommandLine* to_command_line,
2611     const base::CommandLine& from_command_line,
2612     VersionInfo::Channel channel) {
2613 #if defined(OS_ANDROID)
2614   const VersionInfo::Channel kMaxDisableEncryptionChannel =
2615       VersionInfo::CHANNEL_BETA;
2616 #else
2617   const VersionInfo::Channel kMaxDisableEncryptionChannel =
2618       VersionInfo::CHANNEL_DEV;
2619 #endif
2620   if (channel <= kMaxDisableEncryptionChannel) {
2621     static const char* const kWebRtcDevSwitchNames[] = {
2622       switches::kDisableWebRtcEncryption,
2623     };
2624     to_command_line->CopySwitchesFrom(from_command_line,
2625                                       kWebRtcDevSwitchNames,
2626                                       arraysize(kWebRtcDevSwitchNames));
2627   }
2628 }
2629 #endif  // defined(ENABLE_WEBRTC)
2630
2631 }  // namespace chrome