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 <map>
   8 #include <set>
   9 #include <utility>
  10 #include <vector>
  11
  12 #include "base/bind.h"
  13 #include "base/bind_helpers.h"
  14 #include "base/command_line.h"
  15 #include "base/files/scoped_file.h"
  16 #include "base/lazy_instance.h"
  17 #include "base/path_service.h"
  18 #include "base/prefs/pref_service.h"
  19 #include "base/prefs/scoped_user_pref_update.h"
  20 #include "base/strings/string_number_conversions.h"
  21 #include "base/strings/string_util.h"
  22 #include "base/strings/stringprintf.h"
  23 #include "base/strings/utf_string_conversions.h"
  24 #include "base/thread_task_runner_handle.h"
  25 #include "base/threading/sequenced_worker_pool.h"
  26 #include "chrome/browser/after_startup_task_utils.h"
  27 #include "chrome/browser/browser_about_handler.h"
  28 #include "chrome/browser/browser_process.h"
  29 #include "chrome/browser/browser_shutdown.h"
  30 #include "chrome/browser/browsing_data/browsing_data_helper.h"
  31 #include "chrome/browser/browsing_data/browsing_data_remover.h"
  32 #include "chrome/browser/character_encoding.h"
  33 #include "chrome/browser/chrome_content_browser_client_parts.h"
  34 #include "chrome/browser/chrome_net_benchmarking_message_filter.h"
  35 #include "chrome/browser/chrome_quota_permission_context.h"
  36 #include "chrome/browser/content_settings/cookie_settings_factory.h"
  37 #include "chrome/browser/content_settings/tab_specific_content_settings.h"
  38 #include "chrome/browser/defaults.h"
  39 #include "chrome/browser/devtools/chrome_devtools_manager_delegate.h"
  40 #include "chrome/browser/download/download_prefs.h"
  41 #include "chrome/browser/font_family_cache.h"
  42 #include "chrome/browser/geolocation/chrome_access_token_store.h"
  43 #include "chrome/browser/media/media_capture_devices_dispatcher.h"
  44 #include "chrome/browser/metrics/chrome_browser_main_extra_parts_metrics.h"
  45 #include "chrome/browser/nacl_host/nacl_browser_delegate_impl.h"
  46 #include "chrome/browser/net/chrome_net_log.h"
  47 #include "chrome/browser/net/spdyproxy/data_reduction_proxy_chrome_settings.h"
  48 #include "chrome/browser/net/spdyproxy/data_reduction_proxy_chrome_settings_factory.h"
  49 #include "chrome/browser/notifications/platform_notification_service_impl.h"
  50 #include "chrome/browser/platform_util.h"
  51 #include "chrome/browser/prerender/prerender_final_status.h"
  52 #include "chrome/browser/prerender/prerender_manager.h"
  53 #include "chrome/browser/prerender/prerender_manager_factory.h"
  54 #include "chrome/browser/prerender/prerender_message_filter.h"
  55 #include "chrome/browser/printing/printing_message_filter.h"
  56 #include "chrome/browser/profiles/chrome_browser_main_extra_parts_profiles.h"
  57 #include "chrome/browser/profiles/profile.h"
  58 #include "chrome/browser/profiles/profile_io_data.h"
  59 #include "chrome/browser/renderer_host/chrome_render_message_filter.h"
  60 #include "chrome/browser/renderer_host/pepper/chrome_browser_pepper_host_factory.h"
  61 #include "chrome/browser/safe_browsing/safe_browsing_service.h"
  62 #include "chrome/browser/safe_browsing/ui_manager.h"
  63 #include "chrome/browser/search/instant_service.h"
  64 #include "chrome/browser/search/instant_service_factory.h"
  65 #include "chrome/browser/search/search.h"
  66 #include "chrome/browser/search_engines/search_provider_install_state_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_cert_reporter.h"
  73 #include "chrome/browser/ssl/ssl_client_certificate_selector.h"
  74 #include "chrome/browser/ssl/ssl_error_handler.h"
  75 #include "chrome/browser/sync_file_system/local/sync_file_system_backend.h"
  76 #include "chrome/browser/tab_contents/tab_util.h"
  77 #include "chrome/browser/tracing/chrome_tracing_delegate.h"
  78 #include "chrome/browser/ui/blocked_content/blocked_window_params.h"
  79 #include "chrome/browser/ui/blocked_content/popup_blocker_tab_helper.h"
  80 #include "chrome/browser/ui/chrome_select_file_policy.h"
  81 #include "chrome/browser/ui/sync/sync_promo_ui.h"
  82 #include "chrome/browser/ui/tab_contents/chrome_web_contents_view_delegate.h"
  83 #include "chrome/browser/ui/webui/chrome_web_ui_controller_factory.h"
  84 #include "chrome/common/channel_info.h"
  85 #include "chrome/common/chrome_constants.h"
  86 #include "chrome/common/chrome_paths.h"
  87 #include "chrome/common/chrome_switches.h"
  88 #include "chrome/common/env_vars.h"
  89 #include "chrome/common/logging_chrome.h"
  90 #include "chrome/common/pepper_permission_util.h"
  91 #include "chrome/common/pref_names.h"
  92 #include "chrome/common/render_messages.h"
  93 #include "chrome/common/url_constants.h"
  94 #include "chrome/grit/generated_resources.h"
  95 #include "chrome/installer/util/google_update_settings.h"
  96 #include "chromeos/chromeos_constants.h"
  97 #include "components/cdm/browser/cdm_message_filter_android.h"
  98 #include "components/cloud_devices/common/cloud_devices_switches.h"
  99 #include "components/content_settings/core/browser/content_settings_utils.h"
 100 #include "components/content_settings/core/browser/cookie_settings.h"
 101 #include "components/content_settings/core/browser/host_content_settings_map.h"
 102 #include "components/content_settings/core/common/content_settings.h"
 103 #include "components/data_reduction_proxy/content/browser/data_reduction_proxy_message_filter.h"
 104 #include "components/dom_distiller/core/url_constants.h"
 105 #include "components/google/core/browser/google_util.h"
 106 #include "components/metrics/client_info.h"
 107 #include "components/pref_registry/pref_registry_syncable.h"
 108 #include "components/rappor/rappor_utils.h"
 109 #include "components/signin/core/common/profile_management_switches.h"
 110 #include "components/translate/core/common/translate_switches.h"
 111 #include "components/url_formatter/url_fixer.h"
 112 #include "components/variations/variations_associated_data.h"
 113 #include "components/version_info/version_info.h"
 114 #include "content/public/browser/browser_child_process_host.h"
 115 #include "content/public/browser/browser_main_parts.h"
 116 #include "content/public/browser/browser_ppapi_host.h"
 117 #include "content/public/browser/browser_thread.h"
 118 #include "content/public/browser/browser_url_handler.h"
 119 #include "content/public/browser/child_process_data.h"
 120 #include "content/public/browser/child_process_security_policy.h"
 121 #include "content/public/browser/client_certificate_delegate.h"
 122 #include "content/public/browser/render_frame_host.h"
 123 #include "content/public/browser/render_process_host.h"
 124 #include "content/public/browser/render_view_host.h"
 125 #include "content/public/browser/resource_context.h"
 126 #include "content/public/browser/site_instance.h"
 127 #include "content/public/browser/web_contents.h"
 128 #include "content/public/common/child_process_host.h"
 129 #include "content/public/common/content_descriptors.h"
 130 #include "content/public/common/sandbox_type.h"
 131 #include "content/public/common/service_registry.h"
 132 #include "content/public/common/url_utils.h"
 133 #include "content/public/common/web_preferences.h"
 134 #include "device/devices_app/public/cpp/constants.h"
 135 #include "device/devices_app/public/cpp/devices_app_factory.h"
 136 #include "gin/v8_initializer.h"
 137 #include "mojo/application/public/cpp/application_delegate.h"
 138 #include "net/base/mime_util.h"
 139 #include "net/cookies/canonical_cookie.h"
 140 #include "net/cookies/cookie_options.h"
 141 #include "net/ssl/ssl_cert_request_info.h"
 142 #include "ppapi/host/ppapi_host.h"
 143 #include "storage/browser/fileapi/external_mount_points.h"
 144 #include "ui/base/l10n/l10n_util.h"
 145 #include "ui/base/resource/resource_bundle.h"
 146 #include "ui/resources/grit/ui_resources.h"
 147
 148 #if defined(OS_WIN)
 149 #include "base/win/windows_version.h"
 150 #include "chrome/browser/chrome_browser_main_win.h"
 151 #include "sandbox/win/src/sandbox_policy.h"
 152 #elif defined(OS_MACOSX)
 153 #include "chrome/browser/chrome_browser_main_mac.h"
 154 #elif defined(OS_CHROMEOS)
 155 #include "chrome/browser/chromeos/attestation/platform_verification_impl.h"
 156 #include "chrome/browser/chromeos/chrome_browser_main_chromeos.h"
 157 #include "chrome/browser/chromeos/drive/fileapi/file_system_backend_delegate.h"
 158 #include "chrome/browser/chromeos/file_manager/app_id.h"
 159 #include "chrome/browser/chromeos/file_system_provider/fileapi/backend_delegate.h"
 160 #include "chrome/browser/chromeos/fileapi/file_system_backend.h"
 161 #include "chrome/browser/chromeos/fileapi/mtp_file_system_backend_delegate.h"
 162 #include "chrome/browser/chromeos/login/startup_utils.h"
 163 #include "chrome/browser/chromeos/policy/browser_policy_connector_chromeos.h"
 164 #include "chrome/browser/chromeos/system/input_device_settings.h"
 165 #include "chromeos/chromeos_switches.h"
 166 #include "components/user_manager/user_manager.h"
 167 #elif defined(OS_LINUX)
 168 #include "chrome/browser/chrome_browser_main_linux.h"
 169 #elif defined(OS_ANDROID)
 170 #include "chrome/browser/android/new_tab_page_url_handler.h"
 171 #include "chrome/browser/android/webapps/single_tab_mode_tab_helper.h"
 172 #include "chrome/browser/chrome_browser_main_android.h"
 173 #include "chrome/common/descriptors_android.h"
 174 #include "components/crash/browser/crash_dump_manager_android.h"
 175 #include "components/service_tab_launcher/browser/android/service_tab_launcher.h"
 176 #include "ui/base/resource/resource_bundle_android.h"
 177 #elif defined(OS_POSIX)
 178 #include "chrome/browser/chrome_browser_main_posix.h"
 179 #endif
 180
 181 #if defined(OS_POSIX) && !defined(OS_MACOSX)
 182 #include "base/debug/leak_annotations.h"
 183 #include "components/crash/app/breakpad_linux.h"
 184 #include "components/crash/browser/crash_handler_host_linux.h"
 185 #endif
 186
 187 #if defined(OS_ANDROID)
 188 #include "ui/base/ui_base_paths.h"
 189 #include "ui/gfx/android/device_display_info.h"
 190 #endif
 191
 192 #if defined(TOOLKIT_VIEWS)
 193 #include "chrome/browser/ui/views/chrome_browser_main_extra_parts_views.h"
 194 #endif
 195
 196 #if defined(USE_ASH)
 197 #include "chrome/browser/ui/views/ash/chrome_browser_main_extra_parts_ash.h"
 198 #endif
 199
 200 #if defined(USE_AURA)
 201 #include "chrome/browser/ui/aura/chrome_browser_main_extra_parts_aura.h"
 202 #endif
 203
 204 #if defined(USE_X11)
 205 #include "chrome/browser/chrome_browser_main_extra_parts_x11.h"
 206 #endif
 207
 208 #if defined(ENABLE_CAPTIVE_PORTAL_DETECTION)
 209 #include "chrome/browser/captive_portal/captive_portal_tab_helper.h"
 210 #endif
 211
 212 #if !defined(DISABLE_NACL)
 213 #include "components/nacl/browser/nacl_browser.h"
 214 #include "components/nacl/browser/nacl_host_message_filter.h"
 215 #include "components/nacl/browser/nacl_process_host.h"
 216 #include "components/nacl/common/nacl_process_type.h"
 217 #include "components/nacl/common/nacl_switches.h"
 218 #endif
 219
 220 #if defined(ENABLE_EXTENSIONS)
 221 #include "chrome/browser/accessibility/animation_policy_prefs.h"
 222 #include "chrome/browser/extensions/chrome_content_browser_client_extensions_part.h"
 223 #include "chrome/browser/media/cast_transport_host_filter.h"
 224 #include "chrome/browser/speech/extension_api/tts_engine_extension_api.h"
 225 #include "components/guest_view/browser/guest_view_base.h"
 226 #include "components/guest_view/browser/guest_view_manager.h"
 227 #include "extensions/browser/extension_registry.h"
 228 #include "extensions/browser/extension_util.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(USE_BROWSER_SPELLCHECKER)
 251 #include "chrome/browser/spellchecker/spellcheck_message_filter_platform.h"
 252 #endif
 253
 254 #if defined(ENABLE_WEBRTC)
 255 #include "chrome/browser/media/webrtc_logging_handler_host.h"
 256 #endif
 257
 258 #if defined(ENABLE_MEDIA_ROUTER)
 259 #include "chrome/browser/media/router/presentation_service_delegate_impl.h"
 260 #endif
 261
 262 using base::FileDescriptor;
 263 using blink::WebWindowFeatures;
 264 using content::AccessTokenStore;
 265 using content::BrowserThread;
 266 using content::BrowserURLHandler;
 267 using content::ChildProcessSecurityPolicy;
 268 using content::QuotaPermissionContext;
 269 using content::RenderFrameHost;
 270 using content::RenderViewHost;
 271 using content::ResourceType;
 272 using content::SiteInstance;
 273 using content::WebContents;
 274 using content::WebPreferences;
 275 using message_center::NotifierId;
 276
 277 #if defined(OS_POSIX)
 278 using content::FileDescriptorInfo;
 279 #endif
 280
 281 #if defined(ENABLE_EXTENSIONS)
 282 using extensions::APIPermission;
 283 using extensions::ChromeContentBrowserClientExtensionsPart;
 284 using extensions::Extension;
 285 using extensions::InfoMap;
 286 using extensions::Manifest;
 287 #endif
 288
 289 #if defined(ENABLE_PLUGINS)
 290 using plugins::ChromeContentBrowserClientPluginsPart;
 291 #endif
 292
 293 namespace {
 294
 295 // Cached version of the locale so we can return the locale on the I/O
 296 // thread.
 297 base::LazyInstance<std::string> g_io_thread_application_locale;
 298
 299 #if defined(ENABLE_PLUGINS)
 300 // TODO(teravest): Add renderer-side API-specific checking for these APIs so
 301 // that blanket permission isn't granted to all dev channel APIs for these.
 302 // http://crbug.com/386743
 303 const char* const kPredefinedAllowedDevChannelOrigins[] = {
 304   "6EAED1924DB611B6EEF2A664BD077BE7EAD33B8F",  // see crbug.com/383937
 305   "4EB74897CB187C7633357C2FE832E0AD6A44883A"   // see crbug.com/383937
 306 };
 307
 308 const char* const kPredefinedAllowedFileHandleOrigins[] = {
 309   "6EAED1924DB611B6EEF2A664BD077BE7EAD33B8F",  // see crbug.com/234789
 310   "4EB74897CB187C7633357C2FE832E0AD6A44883A"   // see crbug.com/234789
 311 };
 312
 313 const char* const kPredefinedAllowedSocketOrigins[] = {
 314   "okddffdblfhhnmhodogpojmfkjmhinfp",  // Test SSH Client
 315   "pnhechapfaindjhompbnflcldabbghjo",  // HTerm App (SSH Client)
 316   "bglhmjfplikpjnfoegeomebmfnkjomhe",  // see crbug.com/122126
 317   "gbchcmhmhahfdphkhkmpfmihenigjmpp",  // Chrome Remote Desktop
 318   "kgngmbheleoaphbjbaiobfdepmghbfah",  // Pre-release Chrome Remote Desktop
 319   "odkaodonbgfohohmklejpjiejmcipmib",  // Dogfood Chrome Remote Desktop
 320   "ojoimpklfciegopdfgeenehpalipignm",  // Chromoting canary
 321   "cbkkbcmdlboombapidmoeolnmdacpkch",  // see crbug.com/129089
 322   "hhnbmknkdabfoieppbbljkhkfjcmcbjh",  // see crbug.com/134099
 323   "mablfbjkhmhkmefkjjacnbaikjkipphg",  // see crbug.com/134099
 324   "pdeelgamlgannhelgoegilelnnojegoh",  // see crbug.com/134099
 325   "cabapfdbkniadpollkckdnedaanlciaj",  // see crbug.com/134099
 326   "mapljbgnjledlpdmlchihnmeclmefbba",  // see crbug.com/134099
 327   "ghbfeebgmiidnnmeobbbaiamklmpbpii",  // see crbug.com/134099
 328   "jdfhpkjeckflbbleddjlpimecpbjdeep",  // see crbug.com/142514
 329   "iabmpiboiopbgfabjmgeedhcmjenhbla",  // see crbug.com/165080
 330   "B7CF8A292249681AF81771650BA4CEEAF19A4560",  // see crbug.com/165080
 331   "7525AF4F66763A70A883C4700529F647B470E4D2",  // see crbug.com/238084
 332   "0B549507088E1564D672F7942EB87CA4DAD73972",  // see crbug.com/238084
 333   "864288364E239573E777D3E0E36864E590E95C74"   // see crbug.com/238084
 334 };
 335 #endif
 336
 337 // Returns a copy of the given url with its host set to given host and path set
 338 // to given path. Other parts of the url will be the same.
 339 GURL ReplaceURLHostAndPath(const GURL& url,
 340                            const std::string& host,
 341                            const std::string& path) {
 342   url::Replacements<char> replacements;
 343   replacements.SetHost(host.c_str(), url::Component(0, host.length()));
 344   replacements.SetPath(path.c_str(), url::Component(0, path.length()));
 345   return url.ReplaceComponents(replacements);
 346 }
 347
 348 // Maps "foo://bar/baz/" to "foo://chrome/bar/baz/".
 349 GURL AddUberHost(const GURL& url) {
 350   const std::string uber_host = chrome::kChromeUIUberHost;
 351   const std::string new_path = url.host() + url.path();
 352
 353   return ReplaceURLHostAndPath(url, uber_host, new_path);
 354 }
 355
 356 // If url->host() is "chrome" and url->path() has characters other than the
 357 // first slash, changes the url from "foo://chrome/bar/" to "foo://bar/" and
 358 // returns true. Otherwise returns false.
 359 bool RemoveUberHost(GURL* url) {
 360   if (url->host() != chrome::kChromeUIUberHost)
 361     return false;
 362
 363   if (url->path().empty() || url->path() == "/")
 364     return false;
 365
 366   const std::string old_path = url->path();
 367
 368   const std::string::size_type separator = old_path.find('/', 1);
 369   std::string new_host;
 370   std::string new_path;
 371   if (separator == std::string::npos) {
 372     new_host = old_path.substr(1);
 373   } else {
 374     new_host = old_path.substr(1, separator - 1);
 375     new_path = old_path.substr(separator);
 376   }
 377
 378   // Do not allow URLs with paths empty before the first slash since we can't
 379   // have an empty host. (e.g "foo://chrome//")
 380   if (new_host.empty())
 381     return false;
 382
 383   *url = ReplaceURLHostAndPath(*url, new_host, new_path);
 384
 385   DCHECK(url->is_valid());
 386
 387   return true;
 388 }
 389
 390 // Handles rewriting Web UI URLs.
 391 bool HandleWebUI(GURL* url, content::BrowserContext* browser_context) {
 392   // Do not handle special URLs such as "about:foo"
 393   if (!url->host().empty()) {
 394     const GURL chrome_url = AddUberHost(*url);
 395
 396     // Handle valid "chrome://chrome/foo" URLs so the reverse handler will
 397     // be called.
 398     if (ChromeWebUIControllerFactory::GetInstance()->UseWebUIForURL(
 399             browser_context, chrome_url))
 400       return true;
 401   }
 402
 403   if (!ChromeWebUIControllerFactory::GetInstance()->UseWebUIForURL(
 404           browser_context, *url))
 405     return false;
 406
 407 #if defined(OS_CHROMEOS)
 408   // Special case : in ChromeOS in Guest mode bookmarks and history are
 409   // disabled for security reasons. New tab page explains the reasons, so
 410   // we redirect user to new tab page.
 411   if (user_manager::UserManager::Get()->IsLoggedInAsGuest()) {
 412     if (url->SchemeIs(content::kChromeUIScheme) &&
 413         (url->DomainIs(chrome::kChromeUIBookmarksHost) ||
 414          url->DomainIs(chrome::kChromeUIHistoryHost))) {
 415       // Rewrite with new tab URL
 416       *url = GURL(chrome::kChromeUINewTabURL);
 417     }
 418   }
 419 #endif
 420
 421   return true;
 422 }
 423
 424 // Reverse URL handler for Web UI. Maps "chrome://chrome/foo/" to
 425 // "chrome://foo/".
 426 bool HandleWebUIReverse(GURL* url, content::BrowserContext* browser_context) {
 427   if (!url->is_valid() || !url->SchemeIs(content::kChromeUIScheme))
 428     return false;
 429
 430   return RemoveUberHost(url);
 431 }
 432
 433 bool CertMatchesFilter(const net::X509Certificate& cert,
 434                        const base::DictionaryValue& filter) {
 435   // TODO(markusheintz): This is the minimal required filter implementation.
 436   // Implement a better matcher.
 437
 438   // An empty filter matches any client certificate since no requirements are
 439   // specified at all.
 440   if (filter.empty())
 441     return true;
 442
 443   std::string common_name;
 444   if (filter.GetString("ISSUER.CN", &common_name) &&
 445       (cert.issuer().common_name == common_name)) {
 446     return true;
 447   }
 448   return false;
 449 }
 450
 451 #if defined(OS_POSIX) && !defined(OS_ANDROID) && !defined(OS_MACOSX)
 452 breakpad::CrashHandlerHostLinux* CreateCrashHandlerHost(
 453     const std::string& process_type) {
 454   base::FilePath dumps_path;
 455   PathService::Get(chrome::DIR_CRASH_DUMPS, &dumps_path);
 456   {
 457     ANNOTATE_SCOPED_MEMORY_LEAK;
 458     bool upload = (getenv(env_vars::kHeadless) == NULL);
 459     breakpad::CrashHandlerHostLinux* crash_handler =
 460         new breakpad::CrashHandlerHostLinux(process_type, dumps_path, upload);
 461     crash_handler->StartUploaderThread();
 462     return crash_handler;
 463   }
 464 }
 465
 466 int GetCrashSignalFD(const base::CommandLine& command_line) {
 467   // Extensions have the same process type as renderers.
 468   if (command_line.HasSwitch(extensions::switches::kExtensionProcess)) {
 469     static breakpad::CrashHandlerHostLinux* crash_handler = NULL;
 470     if (!crash_handler)
 471       crash_handler = CreateCrashHandlerHost("extension");
 472     return crash_handler->GetDeathSignalSocket();
 473   }
 474
 475   std::string process_type =
 476       command_line.GetSwitchValueASCII(switches::kProcessType);
 477
 478   if (process_type == switches::kRendererProcess) {
 479     static breakpad::CrashHandlerHostLinux* crash_handler = NULL;
 480     if (!crash_handler)
 481       crash_handler = CreateCrashHandlerHost(process_type);
 482     return crash_handler->GetDeathSignalSocket();
 483   }
 484
 485   if (process_type == switches::kPluginProcess) {
 486     static breakpad::CrashHandlerHostLinux* crash_handler = NULL;
 487     if (!crash_handler)
 488       crash_handler = CreateCrashHandlerHost(process_type);
 489     return crash_handler->GetDeathSignalSocket();
 490   }
 491
 492   if (process_type == switches::kPpapiPluginProcess) {
 493     static breakpad::CrashHandlerHostLinux* crash_handler = NULL;
 494     if (!crash_handler)
 495       crash_handler = CreateCrashHandlerHost(process_type);
 496     return crash_handler->GetDeathSignalSocket();
 497   }
 498
 499   if (process_type == switches::kGpuProcess) {
 500     static breakpad::CrashHandlerHostLinux* crash_handler = NULL;
 501     if (!crash_handler)
 502       crash_handler = CreateCrashHandlerHost(process_type);
 503     return crash_handler->GetDeathSignalSocket();
 504   }
 505
 506   return -1;
 507 }
 508 #endif  // defined(OS_POSIX) && !defined(OS_ANDROID) && !defined(OS_MACOSX)
 509
 510 void SetApplicationLocaleOnIOThread(const std::string& locale) {
 511   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
 512   g_io_thread_application_locale.Get() = locale;
 513 }
 514
 515 void HandleBlockedPopupOnUIThread(const BlockedWindowParams& params) {
 516   RenderFrameHost* render_frame_host = RenderFrameHost::FromID(
 517       params.render_process_id(), params.opener_render_frame_id());
 518   if (!render_frame_host)
 519     return;
 520   WebContents* tab = WebContents::FromRenderFrameHost(render_frame_host);
 521   // The tab might already have navigated away.  We only need to do this check
 522   // for main frames, since the RenderFrameHost for a subframe opener will have
 523   // already been deleted if the main frame navigates away.
 524   if (!tab ||
 525       (!render_frame_host->GetParent() &&
 526        tab->GetMainFrame() != render_frame_host))
 527     return;
 528
 529   prerender::PrerenderContents* prerender_contents =
 530       prerender::PrerenderContents::FromWebContents(tab);
 531   if (prerender_contents) {
 532     prerender_contents->Destroy(prerender::FINAL_STATUS_CREATE_NEW_WINDOW);
 533     return;
 534   }
 535
 536   PopupBlockerTabHelper* popup_helper =
 537       PopupBlockerTabHelper::FromWebContents(tab);
 538   if (!popup_helper)
 539     return;
 540   popup_helper->AddBlockedPopup(params);
 541 }
 542
 543 // An implementation of the SSLCertReporter interface used by
 544 // SSLErrorHandler. Uses the SafeBrowsing UI manager to send invalid
 545 // certificate reports.
 546 class SafeBrowsingSSLCertReporter : public SSLCertReporter {
 547  public:
 548   explicit SafeBrowsingSSLCertReporter(
 549       const scoped_refptr<SafeBrowsingUIManager>& safe_browsing_ui_manager)
 550       : safe_browsing_ui_manager_(safe_browsing_ui_manager) {}
 551   ~SafeBrowsingSSLCertReporter() override {}
 552
 553   // SSLCertReporter implementation
 554   void ReportInvalidCertificateChain(
 555       const std::string& serialized_report) override {
 556     if (safe_browsing_ui_manager_) {
 557       safe_browsing_ui_manager_->ReportInvalidCertificateChain(
 558           serialized_report, base::Bind(&base::DoNothing));
 559     }
 560   }
 561
 562  private:
 563   const scoped_refptr<SafeBrowsingUIManager> safe_browsing_ui_manager_;
 564 };
 565
 566 #if defined(OS_ANDROID)
 567
 568 void HandleSingleTabModeBlockOnUIThread(const BlockedWindowParams& params) {
 569   WebContents* web_contents = tab_util::GetWebContentsByFrameID(
 570       params.render_process_id(), params.opener_render_frame_id());
 571   if (!web_contents)
 572     return;
 573
 574   SingleTabModeTabHelper::FromWebContents(web_contents)->HandleOpenUrl(params);
 575 }
 576
 577 float GetDeviceScaleAdjustment() {
 578   static const float kMinFSM = 1.05f;
 579   static const int kWidthForMinFSM = 320;
 580   static const float kMaxFSM = 1.3f;
 581   static const int kWidthForMaxFSM = 800;
 582
 583   gfx::DeviceDisplayInfo info;
 584   int minWidth = info.GetSmallestDIPWidth();
 585
 586   if (minWidth <= kWidthForMinFSM)
 587     return kMinFSM;
 588   if (minWidth >= kWidthForMaxFSM)
 589     return kMaxFSM;
 590
 591   // The font scale multiplier varies linearly between kMinFSM and kMaxFSM.
 592   float ratio = static_cast<float>(minWidth - kWidthForMinFSM) /
 593       (kWidthForMaxFSM - kWidthForMinFSM);
 594   return ratio * (kMaxFSM - kMinFSM) + kMinFSM;
 595 }
 596
 597 #endif  // defined(OS_ANDROID)
 598
 599 #if defined(ENABLE_EXTENSIONS)
 600 // By default, JavaScript and images are enabled in guest content.
 601 void GetGuestViewDefaultContentSettingRules(
 602     bool incognito,
 603     RendererContentSettingRules* rules) {
 604   rules->image_rules.push_back(
 605       ContentSettingPatternSource(ContentSettingsPattern::Wildcard(),
 606                                   ContentSettingsPattern::Wildcard(),
 607                                   CONTENT_SETTING_ALLOW,
 608                                   std::string(),
 609                                   incognito));
 610
 611   rules->script_rules.push_back(
 612       ContentSettingPatternSource(ContentSettingsPattern::Wildcard(),
 613                                   ContentSettingsPattern::Wildcard(),
 614                                   CONTENT_SETTING_ALLOW,
 615                                   std::string(),
 616                                   incognito));
 617 }
 618 #endif  // defined(ENABLE_EXTENSIONS)
 619
 620 }  // namespace
 621
 622 namespace chrome {
 623
 624 ChromeContentBrowserClient::ChromeContentBrowserClient()
 625     :
 626       weak_factory_(this) {
 627 #if defined(ENABLE_PLUGINS)
 628   for (size_t i = 0; i < arraysize(kPredefinedAllowedDevChannelOrigins); ++i)
 629     allowed_dev_channel_origins_.insert(kPredefinedAllowedDevChannelOrigins[i]);
 630   for (size_t i = 0; i < arraysize(kPredefinedAllowedFileHandleOrigins); ++i)
 631     allowed_file_handle_origins_.insert(kPredefinedAllowedFileHandleOrigins[i]);
 632   for (size_t i = 0; i < arraysize(kPredefinedAllowedSocketOrigins); ++i)
 633     allowed_socket_origins_.insert(kPredefinedAllowedSocketOrigins[i]);
 634
 635   extra_parts_.push_back(new ChromeContentBrowserClientPluginsPart);
 636 #endif
 637
 638 #if !defined(OS_ANDROID)
 639   TtsExtensionEngine* tts_extension_engine = TtsExtensionEngine::GetInstance();
 640   TtsController::GetInstance()->SetTtsEngineDelegate(tts_extension_engine);
 641 #endif
 642
 643 #if defined(ENABLE_EXTENSIONS)
 644   extra_parts_.push_back(new ChromeContentBrowserClientExtensionsPart);
 645 #endif
 646 }
 647
 648 ChromeContentBrowserClient::~ChromeContentBrowserClient() {
 649   for (int i = static_cast<int>(extra_parts_.size()) - 1; i >= 0; --i)
 650     delete extra_parts_[i];
 651   extra_parts_.clear();
 652 }
 653
 654 // static
 655 void ChromeContentBrowserClient::RegisterProfilePrefs(
 656     user_prefs::PrefRegistrySyncable* registry) {
 657   registry->RegisterBooleanPref(prefs::kDisable3DAPIs, false);
 658   registry->RegisterBooleanPref(prefs::kEnableHyperlinkAuditing, true);
 659   registry->RegisterListPref(prefs::kEnableDeprecatedWebPlatformFeatures);
 660 }
 661
 662 // static
 663 void ChromeContentBrowserClient::SetApplicationLocale(
 664     const std::string& locale) {
 665   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 666
 667   // This object is guaranteed to outlive all threads so we don't have to
 668   // worry about the lack of refcounting and can just post as Unretained.
 669   //
 670   // The common case is that this function is called early in Chrome startup
 671   // before any threads are created (it will also be called later if the user
 672   // changes the pref). In this case, there will be no threads created and
 673   // posting will fail. When there are no threads, we can just set the string
 674   // without worrying about threadsafety.
 675   if (!BrowserThread::PostTask(BrowserThread::IO, FROM_HERE,
 676           base::Bind(&SetApplicationLocaleOnIOThread, locale))) {
 677     g_io_thread_application_locale.Get() = locale;
 678   }
 679 }
 680
 681 content::BrowserMainParts* ChromeContentBrowserClient::CreateBrowserMainParts(
 682     const content::MainFunctionParams& parameters) {
 683   ChromeBrowserMainParts* main_parts;
 684   // Construct the Main browser parts based on the OS type.
 685 #if defined(OS_WIN)
 686   main_parts = new ChromeBrowserMainPartsWin(parameters);
 687 #elif defined(OS_MACOSX)
 688   main_parts = new ChromeBrowserMainPartsMac(parameters);
 689 #elif defined(OS_CHROMEOS)
 690   main_parts = new chromeos::ChromeBrowserMainPartsChromeos(parameters);
 691 #elif defined(OS_LINUX)
 692   main_parts = new ChromeBrowserMainPartsLinux(parameters);
 693 #elif defined(OS_ANDROID)
 694   main_parts = new ChromeBrowserMainPartsAndroid(parameters);
 695 #elif defined(OS_POSIX)
 696   main_parts = new ChromeBrowserMainPartsPosix(parameters);
 697 #else
 698   NOTREACHED();
 699   main_parts = new ChromeBrowserMainParts(parameters);
 700 #endif
 701
 702   chrome::AddProfilesExtraParts(main_parts);
 703
 704   // Construct additional browser parts. Stages are called in the order in
 705   // which they are added.
 706 #if defined(TOOLKIT_VIEWS)
 707   main_parts->AddParts(new ChromeBrowserMainExtraPartsViews());
 708 #endif
 709
 710 // TODO(oshima): Athena on chrome currently requires USE_ASH to build.
 711 // We should reduce the dependency as much as possible.
 712 #if defined(USE_ASH)
 713   main_parts->AddParts(new ChromeBrowserMainExtraPartsAsh());
 714 #endif
 715
 716 #if defined(USE_AURA)
 717   main_parts->AddParts(new ChromeBrowserMainExtraPartsAura());
 718 #endif
 719
 720 #if defined(USE_X11)
 721   main_parts->AddParts(new ChromeBrowserMainExtraPartsX11());
 722 #endif
 723
 724   chrome::AddMetricsExtraParts(main_parts);
 725
 726   return main_parts;
 727 }
 728
 729 void ChromeContentBrowserClient::PostAfterStartupTask(
 730     const tracked_objects::Location& from_here,
 731     const scoped_refptr<base::TaskRunner>& task_runner,
 732     const base::Closure& task) {
 733   AfterStartupTaskUtils::PostTask(from_here, task_runner, task);
 734 }
 735
 736 std::string ChromeContentBrowserClient::GetStoragePartitionIdForSite(
 737     content::BrowserContext* browser_context,
 738     const GURL& site) {
 739   std::string partition_id;
 740
 741   // The partition ID for webview guest processes is the string value of its
 742   // SiteInstance URL - "chrome-guest://app_id/persist?partition".
 743   if (site.SchemeIs(content::kGuestScheme)) {
 744     partition_id = site.spec();
 745   } else if (!switches::IsEnableWebviewBasedSignin() &&
 746              site.GetOrigin().spec() == kChromeUIChromeSigninURL) {
 747     // The non-webview Chrome signin page has an embedded iframe of extension
 748     // and web content, thus it must be isolated from other webUI pages.
 749     partition_id = site.GetOrigin().spec();
 750   }
 751
 752   DCHECK(IsValidStoragePartitionId(browser_context, partition_id));
 753   return partition_id;
 754 }
 755
 756 bool ChromeContentBrowserClient::IsValidStoragePartitionId(
 757     content::BrowserContext* browser_context,
 758     const std::string& partition_id) {
 759   // The default ID is empty and is always valid.
 760   if (partition_id.empty())
 761     return true;
 762
 763   return GURL(partition_id).is_valid();
 764 }
 765
 766 void ChromeContentBrowserClient::GetStoragePartitionConfigForSite(
 767     content::BrowserContext* browser_context,
 768     const GURL& site,
 769     bool can_be_default,
 770     std::string* partition_domain,
 771     std::string* partition_name,
 772     bool* in_memory) {
 773   // Default to the browser-wide storage partition and override based on |site|
 774   // below.
 775   partition_domain->clear();
 776   partition_name->clear();
 777   *in_memory = false;
 778
 779   bool success = false;
 780 #if defined(ENABLE_EXTENSIONS)
 781   success = extensions::WebViewGuest::GetGuestPartitionConfigForSite(
 782       site, partition_domain, partition_name, in_memory);
 783
 784   if (!success && site.SchemeIs(extensions::kExtensionScheme)) {
 785     // If |can_be_default| is false, the caller is stating that the |site|
 786     // should be parsed as if it had isolated storage. In particular it is
 787     // important to NOT check ExtensionService for the is_storage_isolated()
 788     // attribute because this code path is run during Extension uninstall
 789     // to do cleanup after the Extension has already been unloaded from the
 790     // ExtensionService.
 791     bool is_isolated = !can_be_default;
 792     if (can_be_default) {
 793       if (extensions::util::SiteHasIsolatedStorage(site, browser_context))
 794         is_isolated = true;
 795     }
 796
 797     if (is_isolated) {
 798       CHECK(site.has_host());
 799       // For extensions with isolated storage, the the host of the |site| is
 800       // the |partition_domain|. The |in_memory| and |partition_name| are only
 801       // used in guest schemes so they are cleared here.
 802       *partition_domain = site.host();
 803       *in_memory = false;
 804       partition_name->clear();
 805     }
 806     success = true;
 807   }
 808 #endif
 809
 810   if (!success && (!switches::IsEnableWebviewBasedSignin() &&
 811                    site.GetOrigin().spec() == kChromeUIChromeSigninURL)) {
 812     // The non-webview Chrome signin page has an embedded iframe of extension
 813     // and web content, thus it must be isolated from other webUI pages.
 814     *partition_domain = chrome::kChromeUIChromeSigninHost;
 815   }
 816
 817   // Assert that if |can_be_default| is false, the code above must have found a
 818   // non-default partition.  If this fails, the caller has a serious logic
 819   // error about which StoragePartition they expect to be in and it is not
 820   // safe to continue.
 821   CHECK(can_be_default || !partition_domain->empty());
 822 }
 823
 824 content::WebContentsViewDelegate*
 825     ChromeContentBrowserClient::GetWebContentsViewDelegate(
 826         content::WebContents* web_contents) {
 827   return chrome::CreateWebContentsViewDelegate(web_contents);
 828 }
 829
 830 void ChromeContentBrowserClient::RenderProcessWillLaunch(
 831     content::RenderProcessHost* host) {
 832   int id = host->GetID();
 833   Profile* profile = Profile::FromBrowserContext(host->GetBrowserContext());
 834   net::URLRequestContextGetter* context =
 835       profile->GetRequestContextForRenderProcess(id);
 836
 837   host->AddFilter(new ChromeRenderMessageFilter(id, profile));
 838 #if defined(ENABLE_EXTENSIONS)
 839   host->AddFilter(new cast::CastTransportHostFilter);
 840 #endif
 841 #if defined(ENABLE_PRINTING)
 842   host->AddFilter(new printing::PrintingMessageFilter(id, profile));
 843 #endif
 844   host->AddFilter(new SearchProviderInstallStateMessageFilter(id, profile));
 845 #if defined(ENABLE_SPELLCHECK)
 846   host->AddFilter(new SpellCheckMessageFilter(id));
 847 #endif
 848 #if defined(USE_BROWSER_SPELLCHECKER)
 849   host->AddFilter(new SpellCheckMessageFilterPlatform(id));
 850 #endif
 851   host->AddFilter(new ChromeNetBenchmarkingMessageFilter(profile, context));
 852   host->AddFilter(new prerender::PrerenderMessageFilter(id, profile));
 853   host->AddFilter(new TtsMessageFilter(host->GetBrowserContext()));
 854 #if defined(ENABLE_WEBRTC)
 855   WebRtcLoggingHandlerHost* webrtc_logging_handler_host =
 856       new WebRtcLoggingHandlerHost(profile);
 857   host->SetWebRtcLogMessageCallback(base::Bind(
 858       &WebRtcLoggingHandlerHost::LogMessage, webrtc_logging_handler_host));
 859   host->AddFilter(webrtc_logging_handler_host);
 860   host->SetUserData(host, new base::UserDataAdapter<WebRtcLoggingHandlerHost>(
 861       webrtc_logging_handler_host));
 862 #endif
 863 #if !defined(DISABLE_NACL)
 864   host->AddFilter(new nacl::NaClHostMessageFilter(
 865       id, profile->IsOffTheRecord(),
 866       profile->GetPath(),
 867       context));
 868 #endif
 869 #if defined(OS_ANDROID)
 870   host->AddFilter(new cdm::CdmMessageFilterAndroid());
 871 #endif
 872   DataReductionProxyChromeSettings* data_reduction_proxy_settings =
 873       DataReductionProxyChromeSettingsFactory::GetForBrowserContext(profile);
 874   host->AddFilter(new data_reduction_proxy::DataReductionProxyMessageFilter(
 875       data_reduction_proxy_settings));
 876
 877   host->Send(new ChromeViewMsg_SetIsIncognitoProcess(
 878       profile->IsOffTheRecord()));
 879
 880   for (size_t i = 0; i < extra_parts_.size(); ++i)
 881     extra_parts_[i]->RenderProcessWillLaunch(host);
 882
 883   RendererContentSettingRules rules;
 884   if (host->IsForGuestsOnly()) {
 885 #if defined(ENABLE_EXTENSIONS)
 886     GetGuestViewDefaultContentSettingRules(profile->IsOffTheRecord(), &rules);
 887 #else
 888     NOTREACHED();
 889 #endif
 890   } else {
 891     GetRendererContentSettingRules(
 892         profile->GetHostContentSettingsMap(), &rules);
 893   }
 894   host->Send(new ChromeViewMsg_SetContentSettingRules(rules));
 895 }
 896
 897 GURL ChromeContentBrowserClient::GetEffectiveURL(
 898     content::BrowserContext* browser_context, const GURL& url) {
 899   Profile* profile = Profile::FromBrowserContext(browser_context);
 900   if (!profile)
 901     return url;
 902
 903   // If the input |url| should be assigned to the Instant renderer, make its
 904   // effective URL distinct from other URLs on the search provider's domain.
 905   if (search::ShouldAssignURLToInstantRenderer(url, profile))
 906     return search::GetEffectiveURLForInstant(url, profile);
 907
 908 #if defined(ENABLE_EXTENSIONS)
 909   return ChromeContentBrowserClientExtensionsPart::GetEffectiveURL(
 910       profile, url);
 911 #else
 912   return url;
 913 #endif
 914 }
 915
 916 bool ChromeContentBrowserClient::ShouldUseProcessPerSite(
 917     content::BrowserContext* browser_context, const GURL& effective_url) {
 918   // Non-extension, non-Instant URLs should generally use
 919   // process-per-site-instance.  Because we expect to use the effective URL,
 920   // URLs for hosted apps (apart from bookmark apps) should have an extension
 921   // scheme by now.
 922
 923   Profile* profile = Profile::FromBrowserContext(browser_context);
 924   if (!profile)
 925     return false;
 926
 927   if (search::ShouldUseProcessPerSiteForInstantURL(effective_url, profile))
 928     return true;
 929
 930 #if defined(ENABLE_EXTENSIONS)
 931   return ChromeContentBrowserClientExtensionsPart::ShouldUseProcessPerSite(
 932       profile, effective_url);
 933 #else
 934   return false;
 935 #endif
 936 }
 937
 938 bool ChromeContentBrowserClient::ShouldLockToOrigin(const GURL& effective_url) {
 939   // Don't lock the NTP's process to a single origin for now, since we cannot
 940   // map its actual URLs to the effective URL of the site on the IO thread.
 941   // TODO(creis, nick): Remove this exception in https://crbug.com/160576.
 942   return effective_url.scheme() != chrome::kChromeSearchScheme;
 943 }
 944
 945 // These are treated as WebUI schemes but do not get WebUI bindings. Also,
 946 // view-source is allowed for these schemes.
 947 void ChromeContentBrowserClient::GetAdditionalWebUISchemes(
 948     std::vector<std::string>* additional_schemes) {
 949   additional_schemes->push_back(chrome::kChromeSearchScheme);
 950   additional_schemes->push_back(dom_distiller::kDomDistillerScheme);
 951 }
 952
 953 void ChromeContentBrowserClient::GetAdditionalWebUIHostsToIgnoreParititionCheck(
 954     std::vector<std::string>* hosts) {
 955   hosts->push_back(chrome::kChromeUIExtensionIconHost);
 956   hosts->push_back(chrome::kChromeUIFaviconHost);
 957   hosts->push_back(chrome::kChromeUIThemeHost);
 958   hosts->push_back(chrome::kChromeUIThumbnailHost);
 959   hosts->push_back(chrome::kChromeUIThumbnailHost2);
 960   hosts->push_back(chrome::kChromeUIThumbnailListHost);
 961 }
 962
 963 net::URLRequestContextGetter*
 964 ChromeContentBrowserClient::CreateRequestContext(
 965     content::BrowserContext* browser_context,
 966     content::ProtocolHandlerMap* protocol_handlers,
 967     content::URLRequestInterceptorScopedVector request_interceptors) {
 968   Profile* profile = Profile::FromBrowserContext(browser_context);
 969   return profile->CreateRequestContext(protocol_handlers,
 970                                        request_interceptors.Pass());
 971 }
 972
 973 net::URLRequestContextGetter*
 974 ChromeContentBrowserClient::CreateRequestContextForStoragePartition(
 975     content::BrowserContext* browser_context,
 976     const base::FilePath& partition_path,
 977     bool in_memory,
 978     content::ProtocolHandlerMap* protocol_handlers,
 979     content::URLRequestInterceptorScopedVector request_interceptors) {
 980   Profile* profile = Profile::FromBrowserContext(browser_context);
 981   return profile->CreateRequestContextForStoragePartition(
 982       partition_path,
 983       in_memory,
 984       protocol_handlers,
 985       request_interceptors.Pass());
 986 }
 987
 988 bool ChromeContentBrowserClient::IsHandledURL(const GURL& url) {
 989   return ProfileIOData::IsHandledURL(url);
 990 }
 991
 992 bool ChromeContentBrowserClient::CanCommitURL(
 993     content::RenderProcessHost* process_host,
 994     const GURL& url) {
 995 #if defined(ENABLE_EXTENSIONS)
 996   return ChromeContentBrowserClientExtensionsPart::CanCommitURL(
 997       process_host, url);
 998 #else
 999   return true;
1000 #endif
1001 }
1002
1003 bool ChromeContentBrowserClient::IsIllegalOrigin(
1004     content::ResourceContext* resource_context,
1005     int child_process_id,
1006     const GURL& origin) {
1007 #if defined(ENABLE_EXTENSIONS)
1008   return ChromeContentBrowserClientExtensionsPart::IsIllegalOrigin(
1009       resource_context, child_process_id, origin);
1010 #else
1011   return false;
1012 #endif
1013 }
1014
1015 bool ChromeContentBrowserClient::ShouldAllowOpenURL(
1016     content::SiteInstance* site_instance, const GURL& url) {
1017   GURL from_url = site_instance->GetSiteURL();
1018
1019 #if defined(ENABLE_EXTENSIONS)
1020   bool result;
1021   if (ChromeContentBrowserClientExtensionsPart::ShouldAllowOpenURL(
1022       site_instance, from_url, url, &result))
1023     return result;
1024 #endif
1025
1026   // Do not allow chrome://chrome-signin navigate to other chrome:// URLs, since
1027   // the signin page may host untrusted web content.
1028   if (from_url.GetOrigin().spec() == chrome::kChromeUIChromeSigninURL &&
1029       url.SchemeIs(content::kChromeUIScheme) &&
1030       url.host() != chrome::kChromeUIChromeSigninHost) {
1031     VLOG(1) << "Blocked navigation to " << url.spec() << " from "
1032             << chrome::kChromeUIChromeSigninURL;
1033     return false;
1034   }
1035
1036   return true;
1037 }
1038
1039 bool ChromeContentBrowserClient::IsSuitableHost(
1040     content::RenderProcessHost* process_host,
1041     const GURL& site_url) {
1042   Profile* profile =
1043       Profile::FromBrowserContext(process_host->GetBrowserContext());
1044   // This may be NULL during tests. In that case, just assume any site can
1045   // share any host.
1046   if (!profile)
1047     return true;
1048
1049   // Instant URLs should only be in the instant process and instant process
1050   // should only have Instant URLs.
1051   InstantService* instant_service =
1052       InstantServiceFactory::GetForProfile(profile);
1053   if (instant_service) {
1054     bool is_instant_process = instant_service->IsInstantProcess(
1055         process_host->GetID());
1056     bool should_be_in_instant_process =
1057         search::ShouldAssignURLToInstantRenderer(site_url, profile);
1058     if (is_instant_process || should_be_in_instant_process)
1059       return is_instant_process && should_be_in_instant_process;
1060   }
1061
1062 #if defined(ENABLE_EXTENSIONS)
1063   return ChromeContentBrowserClientExtensionsPart::IsSuitableHost(
1064       profile, process_host, site_url);
1065 #else
1066   return true;
1067 #endif
1068 }
1069
1070 bool ChromeContentBrowserClient::MayReuseHost(
1071     content::RenderProcessHost* process_host) {
1072   // If there is currently a prerender in progress for the host provided,
1073   // it may not be shared. We require prerenders to be by themselves in a
1074   // separate process so that we can monitor their resource usage.
1075   Profile* profile = Profile::FromBrowserContext(
1076       process_host->GetBrowserContext());
1077   prerender::PrerenderManager* prerender_manager =
1078       prerender::PrerenderManagerFactory::GetForProfile(profile);
1079   if (prerender_manager &&
1080       !prerender_manager->MayReuseProcessHost(process_host)) {
1081     return false;
1082   }
1083
1084   return true;
1085 }
1086
1087 bool ChromeContentBrowserClient::ShouldTryToUseExistingProcessHost(
1088     content::BrowserContext* browser_context, const GURL& url) {
1089   // It has to be a valid URL for us to check for an extension.
1090   if (!url.is_valid())
1091     return false;
1092
1093 #if defined(ENABLE_EXTENSIONS)
1094   Profile* profile = Profile::FromBrowserContext(browser_context);
1095   return ChromeContentBrowserClientExtensionsPart::
1096       ShouldTryToUseExistingProcessHost(
1097           profile, url);
1098 #else
1099   return false;
1100 #endif
1101 }
1102
1103 void ChromeContentBrowserClient::SiteInstanceGotProcess(
1104     SiteInstance* site_instance) {
1105   CHECK(site_instance->HasProcess());
1106
1107   Profile* profile = Profile::FromBrowserContext(
1108       site_instance->GetBrowserContext());
1109   if (!profile)
1110     return;
1111
1112   // Remember the ID of the Instant process to signal the renderer process
1113   // on startup in |AppendExtraCommandLineSwitches| below.
1114   if (search::ShouldAssignURLToInstantRenderer(site_instance->GetSiteURL(),
1115                                                profile)) {
1116     InstantService* instant_service =
1117         InstantServiceFactory::GetForProfile(profile);
1118     if (instant_service)
1119       instant_service->AddInstantProcess(site_instance->GetProcess()->GetID());
1120   }
1121
1122   for (size_t i = 0; i < extra_parts_.size(); ++i)
1123     extra_parts_[i]->SiteInstanceGotProcess(site_instance);
1124 }
1125
1126 void ChromeContentBrowserClient::SiteInstanceDeleting(
1127     SiteInstance* site_instance) {
1128   if (!site_instance->HasProcess())
1129     return;
1130
1131   for (size_t i = 0; i < extra_parts_.size(); ++i)
1132     extra_parts_[i]->SiteInstanceDeleting(site_instance);
1133 }
1134
1135 bool ChromeContentBrowserClient::ShouldSwapBrowsingInstancesForNavigation(
1136     SiteInstance* site_instance,
1137     const GURL& current_url,
1138     const GURL& new_url) {
1139 #if defined(ENABLE_EXTENSIONS)
1140   return ChromeContentBrowserClientExtensionsPart::
1141       ShouldSwapBrowsingInstancesForNavigation(
1142           site_instance, current_url, new_url);
1143 #else
1144   return false;
1145 #endif
1146 }
1147
1148 bool ChromeContentBrowserClient::ShouldSwapProcessesForRedirect(
1149     content::ResourceContext* resource_context, const GURL& current_url,
1150     const GURL& new_url) {
1151 #if defined(ENABLE_EXTENSIONS)
1152   return ChromeContentBrowserClientExtensionsPart::
1153       ShouldSwapProcessesForRedirect(resource_context, current_url, new_url);
1154 #else
1155   return false;
1156 #endif
1157 }
1158
1159 bool ChromeContentBrowserClient::ShouldAssignSiteForURL(const GURL& url) {
1160   return !url.SchemeIs(chrome::kChromeNativeScheme);
1161 }
1162
1163 std::string ChromeContentBrowserClient::GetCanonicalEncodingNameByAliasName(
1164     const std::string& alias_name) {
1165   return CharacterEncoding::GetCanonicalEncodingNameByAliasName(alias_name);
1166 }
1167
1168 namespace {
1169
1170 bool IsAutoReloadEnabled() {
1171   // Fetch the field trial, even though we don't use it. Calling FindFullName()
1172   // causes the field-trial mechanism to report which group we're in, which
1173   // might reflect a hard disable or hard enable via flag, both of which have
1174   // their own field trial groups. This lets us know what percentage of users
1175   // manually enable or disable auto-reload.
1176   std::string group = base::FieldTrialList::FindFullName(
1177       "AutoReloadExperiment");
1178   const base::CommandLine& browser_command_line =
1179       *base::CommandLine::ForCurrentProcess();
1180   if (browser_command_line.HasSwitch(switches::kEnableOfflineAutoReload))
1181     return true;
1182   if (browser_command_line.HasSwitch(switches::kDisableOfflineAutoReload))
1183     return false;
1184   return true;
1185 }
1186
1187 bool IsAutoReloadVisibleOnlyEnabled() {
1188   // See the block comment in IsAutoReloadEnabled().
1189   std::string group = base::FieldTrialList::FindFullName(
1190       "AutoReloadVisibleOnlyExperiment");
1191   const base::CommandLine& browser_command_line =
1192       *base::CommandLine::ForCurrentProcess();
1193   if (browser_command_line.HasSwitch(
1194       switches::kEnableOfflineAutoReloadVisibleOnly)) {
1195     return true;
1196   }
1197   if (browser_command_line.HasSwitch(
1198       switches::kDisableOfflineAutoReloadVisibleOnly)) {
1199     return false;
1200   }
1201   return true;
1202 }
1203
1204 void MaybeAppendBlinkSettingsSwitchForFieldTrial(
1205     const base::CommandLine& browser_command_line,
1206     base::CommandLine* command_line) {
1207   // List of field trials that modify the blink-settings command line flag. No
1208   // two field trials in the list should specify the same keys, otherwise one
1209   // field trial may overwrite another. See Source/core/frame/Settings.in in
1210   // Blink for the list of valid keys.
1211   static const char* const kBlinkSettingsFieldTrials[] = {
1212     // Keys: backgroundHtmlParserOutstandingTokenLimit
1213     //       backgroundHtmlParserPendingTokenLimit
1214     "BackgroundHtmlParserTokenLimits",
1215
1216     // Keys: doHtmlPreloadScanning
1217     "HtmlPreloadScanning",
1218
1219     // Keys: lowPriorityIframes
1220     "LowPriorityIFrames",
1221   };
1222
1223   std::vector<std::string> blink_settings;
1224   for (const char* field_trial_name : kBlinkSettingsFieldTrials) {
1225     // Each blink-settings field trial should include a forcing_flag group,
1226     // to make sure that clients that specify the blink-settings flag on the
1227     // command line are excluded from the experiment groups. To make
1228     // sure we assign clients that specify this flag to the forcing_flag
1229     // group, we must call GetVariationParams for each field trial first
1230     // (for example, before checking HasSwitch() and returning), since
1231     // GetVariationParams has the side-effect of assigning the client to
1232     // a field trial group.
1233     std::map<std::string, std::string> params;
1234     if (variations::GetVariationParams(field_trial_name, &params)) {
1235       for (const auto& param : params) {
1236         blink_settings.push_back(base::StringPrintf(
1237             "%s=%s", param.first.c_str(), param.second.c_str()));
1238       }
1239     }
1240   }
1241
1242   // Flags for the ResourcePriorities field trial. The settings are
1243   // encoded in the field trial group name instead of as variations
1244   // because the variations code is not accessible from the loader.
1245   //
1246   // The group name encoding looks like this:
1247   //  <descriptiveName>_ABCDE_E2_F_G
1248   //    A - fetchDeferLateScripts (1 for true, 0 for false)
1249   //    B - fetchIncreaseFontPriority (1 for true, 0 for false)
1250   //    C - fetchIncreaseAsyncScriptPriority (1 for true, 0 for false)
1251   //    D - fetchIncreasePriorities (1 for true, 0 for false)
1252   //    E - fetchEnableLayoutBlockingThreshold (1 for true, 0 for false)
1253   //    E2 - fetchLayoutBlockingThreshold (Numeric)
1254   //    F - fetchMaxNumDelayableWhileLayoutBlocking (Numeric)
1255   //    G - fetchMaxNumDelayableRequests (Numeric)
1256   //
1257   // Only A-D are relevant to blink and exposed as settings
1258   // Any group names (Control, Default, etc) will not match the pattern or
1259   // flags and will get the default settings which is the expected behavior.
1260   std::string resource_priorities_trial_group =
1261       base::FieldTrialList::FindFullName("ResourcePriorities");
1262   std::vector<std::string> split_group(
1263       base::SplitString(resource_priorities_trial_group, "_",
1264                         base::KEEP_WHITESPACE, base::SPLIT_WANT_ALL));
1265   if (split_group.size() == 5 && split_group[1].length() == 5) {
1266     if (split_group[1].at(0) == '1')
1267       blink_settings.push_back("fetchDeferLateScripts=true");
1268     if (split_group[1].at(1) == '1')
1269       blink_settings.push_back("fetchIncreaseFontPriority=true");
1270     if (split_group[1].at(2) == '1')
1271       blink_settings.push_back("fetchIncreaseAsyncScriptPriority=true");
1272     if (split_group[1].at(3) == '1')
1273       blink_settings.push_back("fetchIncreasePriorities=true");
1274   }
1275
1276   if (blink_settings.empty()) {
1277     return;
1278   }
1279
1280   if (browser_command_line.HasSwitch(switches::kBlinkSettings) ||
1281       command_line->HasSwitch(switches::kBlinkSettings)) {
1282     // The field trials should be configured to force users that specify the
1283     // blink-settings flag into a group with no params, and we return
1284     // above if no params were specified, so it's an error if we reach
1285     // this point.
1286     LOG(WARNING) << "Received field trial params, "
1287                     "but blink-settings switch already specified.";
1288     return;
1289   }
1290
1291   command_line->AppendSwitchASCII(switches::kBlinkSettings,
1292                                   base::JoinString(blink_settings, ","));
1293 }
1294
1295 }  // namespace
1296
1297 void ChromeContentBrowserClient::AppendExtraCommandLineSwitches(
1298     base::CommandLine* command_line,
1299     int child_process_id) {
1300 #if defined(OS_MACOSX)
1301   scoped_ptr<metrics::ClientInfo> client_info =
1302       GoogleUpdateSettings::LoadMetricsClientInfo();
1303   if (client_info) {
1304     command_line->AppendSwitchASCII(switches::kMetricsClientID,
1305                                     client_info->client_id);
1306   }
1307 #elif defined(OS_POSIX)
1308   if (breakpad::IsCrashReporterEnabled()) {
1309     scoped_ptr<metrics::ClientInfo> client_info =
1310         GoogleUpdateSettings::LoadMetricsClientInfo();
1311     command_line->AppendSwitchASCII(switches::kEnableCrashReporter,
1312                                     client_info ? client_info->client_id
1313                                                 : std::string());
1314   }
1315 #endif
1316
1317   if (logging::DialogsAreSuppressed())
1318     command_line->AppendSwitch(switches::kNoErrorDialogs);
1319
1320   std::string process_type =
1321       command_line->GetSwitchValueASCII(switches::kProcessType);
1322   const base::CommandLine& browser_command_line =
1323       *base::CommandLine::ForCurrentProcess();
1324
1325   static const char* const kCommonSwitchNames[] = {
1326     switches::kUserAgent,
1327     switches::kUserDataDir,  // Make logs go to the right file.
1328   };
1329   command_line->CopySwitchesFrom(browser_command_line, kCommonSwitchNames,
1330                                  arraysize(kCommonSwitchNames));
1331
1332 #if defined(ENABLE_IPC_FUZZER)
1333   static const char* const kIpcFuzzerSwitches[] = {
1334       switches::kIpcDumpDirectory,
1335       switches::kIpcFuzzerTestcase,
1336   };
1337   command_line->CopySwitchesFrom(browser_command_line, kIpcFuzzerSwitches,
1338                                  arraysize(kIpcFuzzerSwitches));
1339 #endif
1340
1341 #if defined(OS_CHROMEOS)
1342   static const char* const kChromeOSSwitches[] = {
1343     switches::kDisableDinosaurEasterEgg,
1344   };
1345   command_line->CopySwitchesFrom(browser_command_line, kChromeOSSwitches,
1346                                  arraysize(kChromeOSSwitches));
1347
1348   // On Chrome OS need to pass primary user homedir (in multi-profiles session).
1349   base::FilePath homedir;
1350   PathService::Get(base::DIR_HOME, &homedir);
1351   command_line->AppendSwitchASCII(chromeos::switches::kHomedir,
1352                                   homedir.value().c_str());
1353 #endif
1354
1355   if (process_type == switches::kRendererProcess) {
1356     content::RenderProcessHost* process =
1357         content::RenderProcessHost::FromID(child_process_id);
1358     Profile* profile =
1359         process ? Profile::FromBrowserContext(process->GetBrowserContext())
1360                 : NULL;
1361     for (size_t i = 0; i < extra_parts_.size(); ++i) {
1362       extra_parts_[i]->AppendExtraRendererCommandLineSwitches(
1363           command_line, process, profile);
1364     }
1365
1366 #if defined(OS_CHROMEOS)
1367     const std::string& login_profile =
1368         browser_command_line.GetSwitchValueASCII(
1369             chromeos::switches::kLoginProfile);
1370     if (!login_profile.empty())
1371       command_line->AppendSwitchASCII(
1372           chromeos::switches::kLoginProfile, login_profile);
1373 #endif
1374
1375 #if defined(ENABLE_WEBRTC)
1376     MaybeCopyDisableWebRtcEncryptionSwitch(command_line,
1377                                            browser_command_line,
1378                                            chrome::GetChannel());
1379 #endif
1380
1381     if (process) {
1382       PrefService* prefs = profile->GetPrefs();
1383       // Currently this pref is only registered if applied via a policy.
1384       if (prefs->HasPrefPath(prefs::kDisable3DAPIs) &&
1385           prefs->GetBoolean(prefs::kDisable3DAPIs)) {
1386         // Turn this policy into a command line switch.
1387         command_line->AppendSwitch(switches::kDisable3DAPIs);
1388       }
1389
1390       const base::ListValue* switches =
1391           prefs->GetList(prefs::kEnableDeprecatedWebPlatformFeatures);
1392       if (switches) {
1393         // Enable any deprecated features that have been re-enabled by policy.
1394         for (base::ListValue::const_iterator it = switches->begin();
1395              it != switches->end(); ++it) {
1396           std::string switch_to_enable;
1397           if ((*it)->GetAsString(&switch_to_enable))
1398             command_line->AppendSwitch(switch_to_enable);
1399         }
1400       }
1401
1402       // Disable client-side phishing detection in the renderer if it is
1403       // disabled in the Profile preferences or the browser process.
1404       if (!prefs->GetBoolean(prefs::kSafeBrowsingEnabled) ||
1405           !g_browser_process->safe_browsing_detection_service()) {
1406         command_line->AppendSwitch(
1407             switches::kDisableClientSidePhishingDetection);
1408       }
1409
1410       if (prefs->GetBoolean(prefs::kPrintPreviewDisabled))
1411         command_line->AppendSwitch(switches::kDisablePrintPreview);
1412
1413       InstantService* instant_service =
1414           InstantServiceFactory::GetForProfile(profile);
1415       if (instant_service &&
1416           instant_service->IsInstantProcess(process->GetID()))
1417         command_line->AppendSwitch(switches::kInstantProcess);
1418     }
1419
1420     if (IsAutoReloadEnabled())
1421       command_line->AppendSwitch(switches::kEnableOfflineAutoReload);
1422     if (IsAutoReloadVisibleOnlyEnabled()) {
1423       command_line->AppendSwitch(
1424           switches::kEnableOfflineAutoReloadVisibleOnly);
1425     }
1426
1427     {
1428       // Enable showing a saved copy if this session is in the field trial
1429       // or the user explicitly enabled it.  Note that as far as the
1430       // renderer is concerned, the feature is enabled if-and-only-if
1431       // one of the kEnableShowSavedCopy* switches is on the command
1432       // line; the yes/no/default behavior is only at the browser
1433       // command line level.
1434
1435       // Command line switches override
1436       const std::string& show_saved_copy_value =
1437           browser_command_line.GetSwitchValueASCII(switches::kShowSavedCopy);
1438       if (show_saved_copy_value == switches::kEnableShowSavedCopyPrimary ||
1439           show_saved_copy_value == switches::kEnableShowSavedCopySecondary ||
1440           show_saved_copy_value == switches::kDisableShowSavedCopy) {
1441         command_line->AppendSwitchASCII(switches::kShowSavedCopy,
1442                                         show_saved_copy_value);
1443       } else {
1444         std::string group =
1445             base::FieldTrialList::FindFullName("LoadStaleCacheExperiment");
1446
1447         if (group == "Primary") {
1448           command_line->AppendSwitchASCII(
1449               switches::kShowSavedCopy, switches::kEnableShowSavedCopyPrimary);
1450         } else if (group == "Secondary") {
1451           command_line->AppendSwitchASCII(
1452               switches::kShowSavedCopy,
1453               switches::kEnableShowSavedCopySecondary);
1454         }
1455       }
1456     }
1457
1458     MaybeAppendBlinkSettingsSwitchForFieldTrial(
1459         browser_command_line, command_line);
1460
1461     // Please keep this in alphabetical order.
1462     static const char* const kSwitchNames[] = {
1463 #if defined(OS_ANDROID)
1464       autofill::switches::kDisableAccessorySuggestionView,
1465       autofill::switches::kEnableAccessorySuggestionView,
1466 #endif
1467       autofill::switches::kDisableFillOnAccountSelect,
1468       autofill::switches::kDisablePasswordGeneration,
1469       autofill::switches::kEnableFillOnAccountSelect,
1470       autofill::switches::kEnableFillOnAccountSelectNoHighlighting,
1471       autofill::switches::kEnablePasswordGeneration,
1472       autofill::switches::kEnableSingleClickAutofill,
1473       autofill::switches::kEnableSuggestionsWithSubstringMatch,
1474       autofill::switches::kIgnoreAutocompleteOffForAutofill,
1475       autofill::switches::kLocalHeuristicsOnlyForPasswordGeneration,
1476 #if defined(ENABLE_EXTENSIONS)
1477       extensions::switches::kAllowHTTPBackgroundPage,
1478       extensions::switches::kAllowLegacyExtensionManifests,
1479       extensions::switches::kEnableAppWindowControls,
1480       extensions::switches::kEnableEmbeddedExtensionOptions,
1481       extensions::switches::kEnableExperimentalExtensionApis,
1482       extensions::switches::kExtensionsOnChromeURLs,
1483       extensions::switches::kWhitelistedExtensionID,
1484 #endif
1485       switches::kAllowInsecureLocalhost,
1486       switches::kAppsGalleryURL,
1487       switches::kCloudPrintURL,
1488       switches::kCloudPrintXmppEndpoint,
1489       switches::kDisableBundledPpapiFlash,
1490       switches::kDisableCastStreamingHWEncoding,
1491       switches::kDisableJavaScriptHarmonyShipping,
1492       switches::kDisableNewBookmarkApps,
1493 #if defined(ENABLE_SPELLCHECK) && defined(OS_ANDROID)
1494       switches::kEnableAndroidSpellChecker,
1495 #endif
1496       switches::kEnableBenchmarking,
1497       switches::kEnableNaCl,
1498 #if !defined(DISABLE_NACL)
1499       switches::kEnableNaClDebug,
1500       switches::kEnableNaClNonSfiMode,
1501       switches::kEnablePNaClSubzero,
1502 #endif
1503       switches::kEnableNetBenchmarking,
1504       switches::kEnableNewBookmarkApps,
1505       switches::kEnablePluginPlaceholderShadowDom,
1506       switches::kJavaScriptHarmony,
1507       switches::kMessageLoopHistogrammer,
1508       switches::kPpapiFlashArgs,
1509       switches::kPpapiFlashPath,
1510       switches::kPpapiFlashVersion,
1511       switches::kProfilingAtStart,
1512       switches::kProfilingFile,
1513       switches::kProfilingFlush,
1514       switches::kUnsafelyTreatInsecureOriginAsSecure,
1515       translate::switches::kTranslateSecurityOrigin,
1516     };
1517
1518     command_line->CopySwitchesFrom(browser_command_line, kSwitchNames,
1519                                    arraysize(kSwitchNames));
1520   } else if (process_type == switches::kUtilityProcess) {
1521 #if defined(ENABLE_EXTENSIONS)
1522     static const char* const kSwitchNames[] = {
1523       extensions::switches::kAllowHTTPBackgroundPage,
1524       extensions::switches::kEnableExperimentalExtensionApis,
1525       extensions::switches::kExtensionsOnChromeURLs,
1526       extensions::switches::kWhitelistedExtensionID,
1527     };
1528
1529     command_line->CopySwitchesFrom(browser_command_line, kSwitchNames,
1530                                    arraysize(kSwitchNames));
1531 #endif
1532   } else if (process_type == switches::kPluginProcess) {
1533 #if defined(OS_CHROMEOS)
1534     static const char* const kSwitchNames[] = {
1535       chromeos::switches::kLoginProfile,
1536     };
1537
1538     command_line->CopySwitchesFrom(browser_command_line, kSwitchNames,
1539                                    arraysize(kSwitchNames));
1540 #endif
1541   } else if (process_type == switches::kZygoteProcess) {
1542     static const char* const kSwitchNames[] = {
1543       // Load (in-process) Pepper plugins in-process in the zygote pre-sandbox.
1544       switches::kDisableBundledPpapiFlash,
1545 #if !defined(DISABLE_NACL)
1546       switches::kEnableNaClDebug,
1547       switches::kEnableNaClNonSfiMode,
1548       switches::kEnablePNaClSubzero,
1549       switches::kNaClDangerousNoSandboxNonSfi,
1550       switches::kUseNaClHelperNonSfi,
1551 #endif
1552       switches::kPpapiFlashPath,
1553       switches::kPpapiFlashVersion,
1554     };
1555
1556     command_line->CopySwitchesFrom(browser_command_line, kSwitchNames,
1557                                    arraysize(kSwitchNames));
1558   } else if (process_type == switches::kGpuProcess) {
1559     // If --ignore-gpu-blacklist is passed in, don't send in crash reports
1560     // because GPU is expected to be unreliable.
1561     if (browser_command_line.HasSwitch(switches::kIgnoreGpuBlacklist) &&
1562         !command_line->HasSwitch(switches::kDisableBreakpad))
1563       command_line->AppendSwitch(switches::kDisableBreakpad);
1564   }
1565
1566   // The command line switch kEnableBenchmarking needs to be specified along
1567   // with the kEnableStatsTable switch to ensure that the stats table global
1568   // is initialized correctly.
1569   if (command_line->HasSwitch(switches::kEnableBenchmarking))
1570     DCHECK(command_line->HasSwitch(switches::kEnableStatsTable));
1571 }
1572
1573 std::string ChromeContentBrowserClient::GetApplicationLocale() {
1574   if (BrowserThread::CurrentlyOn(BrowserThread::IO))
1575     return g_io_thread_application_locale.Get();
1576   return g_browser_process->GetApplicationLocale();
1577 }
1578
1579 std::string ChromeContentBrowserClient::GetAcceptLangs(
1580     content::BrowserContext* context) {
1581   Profile* profile = Profile::FromBrowserContext(context);
1582   return profile->GetPrefs()->GetString(prefs::kAcceptLanguages);
1583 }
1584
1585 const gfx::ImageSkia* ChromeContentBrowserClient::GetDefaultFavicon() {
1586   ResourceBundle& rb = ResourceBundle::GetSharedInstance();
1587   return rb.GetNativeImageNamed(IDR_DEFAULT_FAVICON).ToImageSkia();
1588 }
1589
1590 bool ChromeContentBrowserClient::AllowAppCache(
1591     const GURL& manifest_url,
1592     const GURL& first_party,
1593     content::ResourceContext* context) {
1594   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
1595   ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
1596   return io_data->GetCookieSettings()->
1597       IsSettingCookieAllowed(manifest_url, first_party);
1598 }
1599
1600 bool ChromeContentBrowserClient::AllowServiceWorker(
1601     const GURL& scope,
1602     const GURL& first_party_url,
1603     content::ResourceContext* context,
1604     int render_process_id,
1605     int render_frame_id) {
1606   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
1607   ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
1608   bool allow = io_data->GetCookieSettings()->IsSettingCookieAllowed(
1609       scope, first_party_url);
1610
1611   // Record access to database for potential display in UI.
1612   BrowserThread::PostTask(
1613       BrowserThread::UI, FROM_HERE,
1614       base::Bind(&TabSpecificContentSettings::ServiceWorkerAccessed,
1615                  render_process_id, render_frame_id, scope, !allow));
1616   return allow;
1617 }
1618
1619 bool ChromeContentBrowserClient::AllowGetCookie(
1620     const GURL& url,
1621     const GURL& first_party,
1622     const net::CookieList& cookie_list,
1623     content::ResourceContext* context,
1624     int render_process_id,
1625     int render_frame_id) {
1626   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
1627   ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
1628   bool allow = io_data->GetCookieSettings()->
1629       IsReadingCookieAllowed(url, first_party);
1630
1631   BrowserThread::PostTask(
1632       BrowserThread::UI, FROM_HERE,
1633       base::Bind(&TabSpecificContentSettings::CookiesRead, render_process_id,
1634                  render_frame_id, url, first_party, cookie_list, !allow));
1635   return allow;
1636 }
1637
1638 bool ChromeContentBrowserClient::AllowSetCookie(
1639     const GURL& url,
1640     const GURL& first_party,
1641     const std::string& cookie_line,
1642     content::ResourceContext* context,
1643     int render_process_id,
1644     int render_frame_id,
1645     net::CookieOptions* options) {
1646   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
1647   ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
1648   content_settings::CookieSettings* cookie_settings =
1649       io_data->GetCookieSettings();
1650   bool allow = cookie_settings->IsSettingCookieAllowed(url, first_party);
1651
1652   BrowserThread::PostTask(
1653       BrowserThread::UI, FROM_HERE,
1654       base::Bind(&TabSpecificContentSettings::CookieChanged, render_process_id,
1655                  render_frame_id, url, first_party, cookie_line, *options,
1656                  !allow));
1657   return allow;
1658 }
1659
1660 bool ChromeContentBrowserClient::AllowSaveLocalState(
1661     content::ResourceContext* context) {
1662   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
1663   ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
1664   content_settings::CookieSettings* cookie_settings =
1665       io_data->GetCookieSettings();
1666   ContentSetting setting = cookie_settings->GetDefaultCookieSetting(NULL);
1667
1668   // TODO(bauerb): Should we also disallow local state if the default is BLOCK?
1669   // Could we even support per-origin settings?
1670   return setting != CONTENT_SETTING_SESSION_ONLY;
1671 }
1672
1673 bool ChromeContentBrowserClient::AllowWorkerDatabase(
1674     const GURL& url,
1675     const base::string16& name,
1676     const base::string16& display_name,
1677     unsigned long estimated_size,
1678     content::ResourceContext* context,
1679     const std::vector<std::pair<int, int> >& render_frames) {
1680   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
1681   ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
1682   content_settings::CookieSettings* cookie_settings =
1683       io_data->GetCookieSettings();
1684   bool allow = cookie_settings->IsSettingCookieAllowed(url, url);
1685
1686   // Record access to database for potential display in UI.
1687   std::vector<std::pair<int, int> >::const_iterator i;
1688   for (i = render_frames.begin(); i != render_frames.end(); ++i) {
1689     BrowserThread::PostTask(
1690         BrowserThread::UI, FROM_HERE,
1691         base::Bind(&TabSpecificContentSettings::WebDatabaseAccessed,
1692                    i->first, i->second, url, name, display_name, !allow));
1693   }
1694
1695   return allow;
1696 }
1697
1698 void ChromeContentBrowserClient::AllowWorkerFileSystem(
1699     const GURL& url,
1700     content::ResourceContext* context,
1701     const std::vector<std::pair<int, int> >& render_frames,
1702     base::Callback<void(bool)> callback) {
1703   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
1704   ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
1705   content_settings::CookieSettings* cookie_settings =
1706       io_data->GetCookieSettings();
1707   bool allow = cookie_settings->IsSettingCookieAllowed(url, url);
1708
1709 #if defined(ENABLE_EXTENSIONS)
1710   GuestPermissionRequestHelper(url, render_frames, callback, allow);
1711 #else
1712   FileSystemAccessed(url, render_frames, callback, allow);
1713 #endif
1714 }
1715
1716 #if defined(ENABLE_EXTENSIONS)
1717 void ChromeContentBrowserClient::GuestPermissionRequestHelper(
1718     const GURL& url,
1719     const std::vector<std::pair<int, int> >& render_frames,
1720     base::Callback<void(bool)> callback,
1721     bool allow) {
1722   DCHECK(BrowserThread:: CurrentlyOn(BrowserThread::IO));
1723   std::vector<std::pair<int, int> >::const_iterator i;
1724   std::map<int, int> process_map;
1725   std::map<int, int>::const_iterator it;
1726   bool has_web_view_guest = false;
1727   // Record access to file system for potential display in UI.
1728   for (i = render_frames.begin(); i != render_frames.end(); ++i) {
1729     if (process_map.find(i->first) != process_map.end())
1730       continue;
1731
1732     process_map.insert(std::pair<int, int>(i->first, i->second));
1733
1734     if (extensions::WebViewRendererState::GetInstance()->IsGuest(i->first))
1735       has_web_view_guest = true;
1736   }
1737   if (!has_web_view_guest) {
1738     FileSystemAccessed(url, render_frames, callback, allow);
1739     return;
1740   }
1741   DCHECK_EQ(1U, process_map.size());
1742   it = process_map.begin();
1743   BrowserThread::PostTask(
1744       BrowserThread::UI,
1745       FROM_HERE,
1746       base::Bind(&ChromeContentBrowserClient::
1747                   RequestFileSystemPermissionOnUIThread,
1748                   it->first,
1749                   it->second,
1750                   url,
1751                   allow,
1752                   base::Bind(&ChromeContentBrowserClient::FileSystemAccessed,
1753                             weak_factory_.GetWeakPtr(),
1754                             url,
1755                             render_frames,
1756                             callback)));
1757 }
1758
1759 void ChromeContentBrowserClient::RequestFileSystemPermissionOnUIThread(
1760     int render_process_id,
1761     int render_frame_id,
1762     const GURL& url,
1763     bool allowed_by_default,
1764     const base::Callback<void(bool)>& callback) {
1765   DCHECK(BrowserThread:: CurrentlyOn(BrowserThread::UI));
1766   extensions::WebViewPermissionHelper* web_view_permission_helper =
1767       extensions::WebViewPermissionHelper::FromFrameID(
1768           render_process_id, render_frame_id);
1769   web_view_permission_helper->RequestFileSystemPermission(url,
1770                                                           allowed_by_default,
1771                                                           callback);
1772 }
1773 #endif
1774
1775 void ChromeContentBrowserClient::FileSystemAccessed(
1776     const GURL& url,
1777     const std::vector<std::pair<int, int> >& render_frames,
1778     base::Callback<void(bool)> callback,
1779     bool allow) {
1780   // Record access to file system for potential display in UI.
1781   std::vector<std::pair<int, int> >::const_iterator i;
1782   for (i = render_frames.begin(); i != render_frames.end(); ++i) {
1783     BrowserThread::PostTask(
1784         BrowserThread::UI,
1785         FROM_HERE,
1786         base::Bind(&TabSpecificContentSettings::FileSystemAccessed,
1787                    i->first, i->second, url, !allow));
1788   }
1789   callback.Run(allow);
1790 }
1791
1792 bool ChromeContentBrowserClient::AllowWorkerIndexedDB(
1793     const GURL& url,
1794     const base::string16& name,
1795     content::ResourceContext* context,
1796     const std::vector<std::pair<int, int> >& render_frames) {
1797   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
1798   ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
1799   content_settings::CookieSettings* cookie_settings =
1800       io_data->GetCookieSettings();
1801   bool allow = cookie_settings->IsSettingCookieAllowed(url, url);
1802
1803   // Record access to IndexedDB for potential display in UI.
1804   std::vector<std::pair<int, int> >::const_iterator i;
1805   for (i = render_frames.begin(); i != render_frames.end(); ++i) {
1806     BrowserThread::PostTask(
1807         BrowserThread::UI, FROM_HERE,
1808         base::Bind(&TabSpecificContentSettings::IndexedDBAccessed,
1809                    i->first, i->second, url, name, !allow));
1810   }
1811
1812   return allow;
1813 }
1814
1815 #if defined(ENABLE_WEBRTC)
1816 bool ChromeContentBrowserClient::AllowWebRTCIdentityCache(
1817     const GURL& url,
1818     const GURL& first_party_url,
1819     content::ResourceContext* context) {
1820   DCHECK_CURRENTLY_ON(BrowserThread::IO);
1821   ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
1822   content_settings::CookieSettings* cookie_settings =
1823       io_data->GetCookieSettings();
1824   return cookie_settings->IsReadingCookieAllowed(url, first_party_url) &&
1825          cookie_settings->IsSettingCookieAllowed(url, first_party_url);
1826 }
1827 #endif  // defined(ENABLE_WEBRTC)
1828
1829 net::URLRequestContext*
1830 ChromeContentBrowserClient::OverrideRequestContextForURL(
1831     const GURL& url, content::ResourceContext* context) {
1832   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
1833 #if defined(ENABLE_EXTENSIONS)
1834   if (url.SchemeIs(extensions::kExtensionScheme)) {
1835     ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
1836     return io_data->extensions_request_context();
1837   }
1838 #endif
1839
1840   return NULL;
1841 }
1842
1843 QuotaPermissionContext*
1844 ChromeContentBrowserClient::CreateQuotaPermissionContext() {
1845   return new ChromeQuotaPermissionContext();
1846 }
1847
1848 void ChromeContentBrowserClient::AllowCertificateError(
1849     int render_process_id,
1850     int render_frame_id,
1851     int cert_error,
1852     const net::SSLInfo& ssl_info,
1853     const GURL& request_url,
1854     ResourceType resource_type,
1855     bool overridable,
1856     bool strict_enforcement,
1857     bool expired_previous_decision,
1858     const base::Callback<void(bool)>& callback,
1859     content::CertificateRequestResultType* result) {
1860   if (resource_type != content::RESOURCE_TYPE_MAIN_FRAME) {
1861     // A sub-resource has a certificate error.  The user doesn't really
1862     // have a context for making the right decision, so block the
1863     // request hard, without an info bar to allow showing the insecure
1864     // content.
1865     *result = content::CERTIFICATE_REQUEST_RESULT_TYPE_DENY;
1866     return;
1867   }
1868
1869   // If the tab is being prerendered, cancel the prerender and the request.
1870   content::RenderFrameHost* render_frame_host =
1871       content::RenderFrameHost::FromID(render_process_id, render_frame_id);
1872   WebContents* tab = WebContents::FromRenderFrameHost(render_frame_host);
1873   if (!tab) {
1874     NOTREACHED();
1875     return;
1876   }
1877
1878   prerender::PrerenderContents* prerender_contents =
1879       prerender::PrerenderContents::FromWebContents(tab);
1880   if (prerender_contents) {
1881     prerender_contents->Destroy(prerender::FINAL_STATUS_SSL_ERROR);
1882     *result = content::CERTIFICATE_REQUEST_RESULT_TYPE_CANCEL;
1883     return;
1884   }
1885
1886   // Otherwise, display an SSL blocking page. The interstitial page takes
1887   // ownership of ssl_blocking_page.
1888   int options_mask = 0;
1889   if (overridable)
1890     options_mask |= SSLBlockingPage::OVERRIDABLE;
1891   if (strict_enforcement)
1892     options_mask |= SSLBlockingPage::STRICT_ENFORCEMENT;
1893   if (expired_previous_decision)
1894     options_mask |= SSLBlockingPage::EXPIRED_BUT_PREVIOUSLY_ALLOWED;
1895
1896   SafeBrowsingService* safe_browsing_service =
1897       g_browser_process->safe_browsing_service();
1898   scoped_ptr<SafeBrowsingSSLCertReporter> cert_reporter(
1899       new SafeBrowsingSSLCertReporter(safe_browsing_service
1900                                           ? safe_browsing_service->ui_manager()
1901                                           : nullptr));
1902   SSLErrorHandler::HandleSSLError(tab, cert_error, ssl_info, request_url,
1903                                   options_mask, cert_reporter.Pass(), callback);
1904 }
1905
1906 void ChromeContentBrowserClient::SelectClientCertificate(
1907     content::WebContents* web_contents,
1908     net::SSLCertRequestInfo* cert_request_info,
1909     scoped_ptr<content::ClientCertificateDelegate> delegate) {
1910   prerender::PrerenderContents* prerender_contents =
1911       prerender::PrerenderContents::FromWebContents(web_contents);
1912   if (prerender_contents) {
1913     prerender_contents->Destroy(
1914         prerender::FINAL_STATUS_SSL_CLIENT_CERTIFICATE_REQUESTED);
1915     return;
1916   }
1917
1918   GURL requesting_url("https://" + cert_request_info->host_and_port.ToString());
1919   DCHECK(requesting_url.is_valid())
1920       << "Invalid URL string: https://"
1921       << cert_request_info->host_and_port.ToString();
1922
1923   Profile* profile =
1924       Profile::FromBrowserContext(web_contents->GetBrowserContext());
1925   scoped_ptr<base::Value> filter =
1926       profile->GetHostContentSettingsMap()->GetWebsiteSetting(
1927           requesting_url,
1928           requesting_url,
1929           CONTENT_SETTINGS_TYPE_AUTO_SELECT_CERTIFICATE,
1930           std::string(),
1931           NULL);
1932
1933   if (filter.get()) {
1934     // Try to automatically select a client certificate.
1935     if (filter->IsType(base::Value::TYPE_DICTIONARY)) {
1936       base::DictionaryValue* filter_dict =
1937           static_cast<base::DictionaryValue*>(filter.get());
1938
1939       const std::vector<scoped_refptr<net::X509Certificate> >&
1940           all_client_certs = cert_request_info->client_certs;
1941       for (size_t i = 0; i < all_client_certs.size(); ++i) {
1942         if (CertMatchesFilter(*all_client_certs[i].get(), *filter_dict)) {
1943           // Use the first certificate that is matched by the filter.
1944           delegate->ContinueWithCertificate(all_client_certs[i].get());
1945           return;
1946         }
1947       }
1948     } else {
1949       NOTREACHED();
1950     }
1951   }
1952
1953   chrome::ShowSSLClientCertificateSelector(web_contents, cert_request_info,
1954                                            delegate.Pass());
1955 }
1956
1957 void ChromeContentBrowserClient::AddCertificate(
1958     net::CertificateMimeType cert_type,
1959     const void* cert_data,
1960     size_t cert_size,
1961     int render_process_id,
1962     int render_frame_id) {
1963   chrome::SSLAddCertificate(cert_type, cert_data, cert_size,
1964                             render_process_id, render_frame_id);
1965 }
1966
1967 content::MediaObserver* ChromeContentBrowserClient::GetMediaObserver() {
1968   return MediaCaptureDevicesDispatcher::GetInstance();
1969 }
1970
1971 content::PlatformNotificationService*
1972 ChromeContentBrowserClient::GetPlatformNotificationService() {
1973 #if defined(ENABLE_NOTIFICATIONS)
1974   return PlatformNotificationServiceImpl::GetInstance();
1975 #else
1976   NOTIMPLEMENTED();
1977   return NULL;
1978 #endif
1979 }
1980
1981 bool ChromeContentBrowserClient::CanCreateWindow(
1982     const GURL& opener_url,
1983     const GURL& opener_top_level_frame_url,
1984     const GURL& source_origin,
1985     WindowContainerType container_type,
1986     const GURL& target_url,
1987     const content::Referrer& referrer,
1988     WindowOpenDisposition disposition,
1989     const WebWindowFeatures& features,
1990     bool user_gesture,
1991     bool opener_suppressed,
1992     content::ResourceContext* context,
1993     int render_process_id,
1994     int opener_render_view_id,
1995     int opener_render_frame_id,
1996     bool* no_javascript_access) {
1997   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
1998
1999   *no_javascript_access = false;
2000
2001   // If the opener is trying to create a background window but doesn't have
2002   // the appropriate permission, fail the attempt.
2003   if (container_type == WINDOW_CONTAINER_TYPE_BACKGROUND) {
2004 #if defined(ENABLE_EXTENSIONS)
2005     ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
2006     InfoMap* map = io_data->GetExtensionInfoMap();
2007     if (!map->SecurityOriginHasAPIPermission(
2008             source_origin,
2009             render_process_id,
2010             APIPermission::kBackground)) {
2011       return false;
2012     }
2013
2014     // Note: this use of GetExtensionOrAppByURL is safe but imperfect.  It may
2015     // return a recently installed Extension even if this CanCreateWindow call
2016     // was made by an old copy of the page in a normal web process.  That's ok,
2017     // because the permission check above would have caused an early return
2018     // already. We must use the full URL to find hosted apps, though, and not
2019     // just the origin.
2020     const Extension* extension =
2021         map->extensions().GetExtensionOrAppByURL(opener_url);
2022     if (extension && !extensions::BackgroundInfo::AllowJSAccess(extension))
2023       *no_javascript_access = true;
2024 #endif
2025
2026     return true;
2027   }
2028
2029 #if defined(ENABLE_EXTENSIONS)
2030   if (extensions::WebViewRendererState::GetInstance()->IsGuest(
2031       render_process_id))
2032     return true;
2033 #endif
2034
2035   HostContentSettingsMap* content_settings =
2036       ProfileIOData::FromResourceContext(context)->GetHostContentSettingsMap();
2037   BlockedWindowParams blocked_params(target_url,
2038                                      referrer,
2039                                      disposition,
2040                                      features,
2041                                      user_gesture,
2042                                      opener_suppressed,
2043                                      render_process_id,
2044                                      opener_render_frame_id);
2045
2046   if (!user_gesture &&
2047       !base::CommandLine::ForCurrentProcess()->HasSwitch(
2048           switches::kDisablePopupBlocking)) {
2049     if (content_settings->GetContentSetting(opener_top_level_frame_url,
2050                                             opener_top_level_frame_url,
2051                                             CONTENT_SETTINGS_TYPE_POPUPS,
2052                                             std::string()) !=
2053         CONTENT_SETTING_ALLOW) {
2054       BrowserThread::PostTask(BrowserThread::UI,
2055                               FROM_HERE,
2056                               base::Bind(&HandleBlockedPopupOnUIThread,
2057                                          blocked_params));
2058       return false;
2059     }
2060   }
2061
2062 #if defined(OS_ANDROID)
2063   if (SingleTabModeTabHelper::IsRegistered(render_process_id,
2064                                            opener_render_view_id)) {
2065     BrowserThread::PostTask(BrowserThread::UI,
2066                             FROM_HERE,
2067                             base::Bind(&HandleSingleTabModeBlockOnUIThread,
2068                                        blocked_params));
2069     return false;
2070   }
2071 #endif
2072
2073   return true;
2074 }
2075
2076 void ChromeContentBrowserClient::ResourceDispatcherHostCreated() {
2077   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
2078   return g_browser_process->ResourceDispatcherHostCreated();
2079 }
2080
2081 content::SpeechRecognitionManagerDelegate*
2082     ChromeContentBrowserClient::CreateSpeechRecognitionManagerDelegate() {
2083   return new speech::ChromeSpeechRecognitionManagerDelegate();
2084 }
2085
2086 net::NetLog* ChromeContentBrowserClient::GetNetLog() {
2087   return g_browser_process->net_log();
2088 }
2089
2090 AccessTokenStore* ChromeContentBrowserClient::CreateAccessTokenStore() {
2091   return new ChromeAccessTokenStore();
2092 }
2093
2094 bool ChromeContentBrowserClient::IsFastShutdownPossible() {
2095   return true;
2096 }
2097
2098 void ChromeContentBrowserClient::OverrideWebkitPrefs(
2099     RenderViewHost* rvh, WebPreferences* web_prefs) {
2100   Profile* profile = Profile::FromBrowserContext(
2101       rvh->GetProcess()->GetBrowserContext());
2102   PrefService* prefs = profile->GetPrefs();
2103
2104   // Fill per-script font preferences. These are not registered on Android
2105   // - http://crbug.com/308033.
2106 #if !defined(OS_ANDROID)
2107   FontFamilyCache::FillFontFamilyMap(profile,
2108                                      prefs::kWebKitStandardFontFamilyMap,
2109                                      &web_prefs->standard_font_family_map);
2110   FontFamilyCache::FillFontFamilyMap(profile,
2111                                      prefs::kWebKitFixedFontFamilyMap,
2112                                      &web_prefs->fixed_font_family_map);
2113   FontFamilyCache::FillFontFamilyMap(profile,
2114                                      prefs::kWebKitSerifFontFamilyMap,
2115                                      &web_prefs->serif_font_family_map);
2116   FontFamilyCache::FillFontFamilyMap(profile,
2117                                      prefs::kWebKitSansSerifFontFamilyMap,
2118                                      &web_prefs->sans_serif_font_family_map);
2119   FontFamilyCache::FillFontFamilyMap(profile,
2120                                      prefs::kWebKitCursiveFontFamilyMap,
2121                                      &web_prefs->cursive_font_family_map);
2122   FontFamilyCache::FillFontFamilyMap(profile,
2123                                      prefs::kWebKitFantasyFontFamilyMap,
2124                                      &web_prefs->fantasy_font_family_map);
2125   FontFamilyCache::FillFontFamilyMap(profile,
2126                                      prefs::kWebKitPictographFontFamilyMap,
2127                                      &web_prefs->pictograph_font_family_map);
2128 #endif
2129
2130   web_prefs->default_font_size =
2131       prefs->GetInteger(prefs::kWebKitDefaultFontSize);
2132   web_prefs->default_fixed_font_size =
2133       prefs->GetInteger(prefs::kWebKitDefaultFixedFontSize);
2134   web_prefs->minimum_font_size =
2135       prefs->GetInteger(prefs::kWebKitMinimumFontSize);
2136   web_prefs->minimum_logical_font_size =
2137       prefs->GetInteger(prefs::kWebKitMinimumLogicalFontSize);
2138
2139   web_prefs->default_encoding = prefs->GetString(prefs::kDefaultCharset);
2140
2141   web_prefs->javascript_can_open_windows_automatically =
2142       prefs->GetBoolean(prefs::kWebKitJavascriptCanOpenWindowsAutomatically);
2143   web_prefs->dom_paste_enabled =
2144       prefs->GetBoolean(prefs::kWebKitDomPasteEnabled);
2145   web_prefs->tabs_to_links = prefs->GetBoolean(prefs::kWebkitTabsToLinks);
2146
2147   if (!prefs->GetBoolean(prefs::kWebKitJavascriptEnabled))
2148     web_prefs->javascript_enabled = false;
2149   if (!prefs->GetBoolean(prefs::kWebKitWebSecurityEnabled))
2150     web_prefs->web_security_enabled = false;
2151   if (!prefs->GetBoolean(prefs::kWebKitPluginsEnabled))
2152     web_prefs->plugins_enabled = false;
2153   web_prefs->loads_images_automatically =
2154       prefs->GetBoolean(prefs::kWebKitLoadsImagesAutomatically);
2155
2156   if (prefs->GetBoolean(prefs::kDisable3DAPIs))
2157     web_prefs->experimental_webgl_enabled = false;
2158
2159   web_prefs->allow_displaying_insecure_content =
2160       prefs->GetBoolean(prefs::kWebKitAllowDisplayingInsecureContent);
2161   web_prefs->allow_running_insecure_content =
2162       prefs->GetBoolean(prefs::kWebKitAllowRunningInsecureContent);
2163 #if defined(OS_ANDROID)
2164   web_prefs->font_scale_factor =
2165       static_cast<float>(prefs->GetDouble(prefs::kWebKitFontScaleFactor));
2166   web_prefs->device_scale_adjustment = GetDeviceScaleAdjustment();
2167   web_prefs->force_enable_zoom =
2168       prefs->GetBoolean(prefs::kWebKitForceEnableZoom);
2169 #endif
2170
2171 #if defined(OS_ANDROID)
2172   web_prefs->password_echo_enabled =
2173       prefs->GetBoolean(prefs::kWebKitPasswordEchoEnabled);
2174 #else
2175   web_prefs->password_echo_enabled = browser_defaults::kPasswordEchoEnabled;
2176 #endif
2177
2178   web_prefs->asynchronous_spell_checking_enabled = true;
2179   web_prefs->unified_textchecker_enabled = true;
2180
2181   web_prefs->uses_universal_detector =
2182       prefs->GetBoolean(prefs::kWebKitUsesUniversalDetector);
2183   web_prefs->text_areas_are_resizable =
2184       prefs->GetBoolean(prefs::kWebKitTextAreasAreResizable);
2185   web_prefs->hyperlink_auditing_enabled =
2186       prefs->GetBoolean(prefs::kEnableHyperlinkAuditing);
2187
2188 #if defined(ENABLE_EXTENSIONS)
2189   std::string image_animation_policy =
2190       prefs->GetString(prefs::kAnimationPolicy);
2191   if (image_animation_policy == kAnimationPolicyOnce)
2192     web_prefs->animation_policy =
2193         content::IMAGE_ANIMATION_POLICY_ANIMATION_ONCE;
2194   else if (image_animation_policy == kAnimationPolicyNone)
2195     web_prefs->animation_policy = content::IMAGE_ANIMATION_POLICY_NO_ANIMATION;
2196   else
2197     web_prefs->animation_policy = content::IMAGE_ANIMATION_POLICY_ALLOWED;
2198 #endif
2199
2200   // Make sure we will set the default_encoding with canonical encoding name.
2201   web_prefs->default_encoding =
2202       CharacterEncoding::GetCanonicalEncodingNameByAliasName(
2203           web_prefs->default_encoding);
2204   if (web_prefs->default_encoding.empty()) {
2205     prefs->ClearPref(prefs::kDefaultCharset);
2206     web_prefs->default_encoding = prefs->GetString(prefs::kDefaultCharset);
2207   }
2208   DCHECK(!web_prefs->default_encoding.empty());
2209
2210   if (base::CommandLine::ForCurrentProcess()->HasSwitch(
2211           switches::kEnablePotentiallyAnnoyingSecurityFeatures)) {
2212     web_prefs->disable_reading_from_canvas = true;
2213     web_prefs->strict_mixed_content_checking = true;
2214     web_prefs->strict_powerful_feature_restrictions = true;
2215   }
2216
2217   for (size_t i = 0; i < extra_parts_.size(); ++i)
2218     extra_parts_[i]->OverrideWebkitPrefs(rvh, web_prefs);
2219 }
2220
2221 void ChromeContentBrowserClient::BrowserURLHandlerCreated(
2222     BrowserURLHandler* handler) {
2223   for (size_t i = 0; i < extra_parts_.size(); ++i)
2224     extra_parts_[i]->BrowserURLHandlerCreated(handler);
2225
2226   // about: handler. Must come before chrome: handler, since it will
2227   // rewrite about: urls to chrome: URLs and then expect chrome: to
2228   // actually handle them.  Also relies on a preliminary fixup phase.
2229   handler->SetFixupHandler(&FixupBrowserAboutURL);
2230   handler->AddHandlerPair(&WillHandleBrowserAboutURL,
2231                           BrowserURLHandler::null_handler());
2232
2233 #if defined(OS_ANDROID)
2234   // Handler to rewrite chrome://newtab on Android.
2235   handler->AddHandlerPair(&chrome::android::HandleAndroidNativePageURL,
2236                           BrowserURLHandler::null_handler());
2237 #else
2238   // Handler to rewrite chrome://newtab for InstantExtended.
2239   handler->AddHandlerPair(&search::HandleNewTabURLRewrite,
2240                           &search::HandleNewTabURLReverseRewrite);
2241 #endif
2242
2243   // chrome: & friends.
2244   handler->AddHandlerPair(&HandleWebUI, &HandleWebUIReverse);
2245 }
2246
2247 void ChromeContentBrowserClient::ClearCache(RenderFrameHost* rfh) {
2248   Profile* profile = Profile::FromBrowserContext(
2249       rfh->GetSiteInstance()->GetProcess()->GetBrowserContext());
2250   BrowsingDataRemover* remover =
2251       BrowsingDataRemover::CreateForUnboundedRange(profile);
2252   remover->Remove(BrowsingDataRemover::REMOVE_CACHE,
2253                   BrowsingDataHelper::UNPROTECTED_WEB);
2254   // BrowsingDataRemover takes care of deleting itself when done.
2255 }
2256
2257 void ChromeContentBrowserClient::ClearCookies(RenderFrameHost* rfh) {
2258   Profile* profile = Profile::FromBrowserContext(
2259       rfh->GetSiteInstance()->GetProcess()->GetBrowserContext());
2260   BrowsingDataRemover* remover =
2261       BrowsingDataRemover::CreateForUnboundedRange(profile);
2262   int remove_mask = BrowsingDataRemover::REMOVE_SITE_DATA;
2263   remover->Remove(remove_mask, BrowsingDataHelper::UNPROTECTED_WEB);
2264   // BrowsingDataRemover takes care of deleting itself when done.
2265 }
2266
2267 base::FilePath ChromeContentBrowserClient::GetDefaultDownloadDirectory() {
2268   return DownloadPrefs::GetDefaultDownloadDirectory();
2269 }
2270
2271 std::string ChromeContentBrowserClient::GetDefaultDownloadName() {
2272   return l10n_util::GetStringUTF8(IDS_DEFAULT_DOWNLOAD_FILENAME);
2273 }
2274
2275 base::FilePath ChromeContentBrowserClient::GetShaderDiskCacheDirectory() {
2276   base::FilePath user_data_dir;
2277   PathService::Get(DIR_USER_DATA, &user_data_dir);
2278   DCHECK(!user_data_dir.empty());
2279   return user_data_dir.Append(FILE_PATH_LITERAL("ShaderCache"));
2280 }
2281
2282 void ChromeContentBrowserClient::DidCreatePpapiPlugin(
2283     content::BrowserPpapiHost* browser_host) {
2284 #if defined(ENABLE_PLUGINS)
2285   ChromeContentBrowserClientPluginsPart::DidCreatePpapiPlugin(browser_host);
2286 #endif
2287 }
2288
2289 content::BrowserPpapiHost*
2290     ChromeContentBrowserClient::GetExternalBrowserPpapiHost(
2291         int plugin_process_id) {
2292 #if !defined(DISABLE_NACL)
2293   content::BrowserChildProcessHostIterator iter(PROCESS_TYPE_NACL_LOADER);
2294   while (!iter.Done()) {
2295     nacl::NaClProcessHost* host = static_cast<nacl::NaClProcessHost*>(
2296         iter.GetDelegate());
2297     if (host->process() &&
2298         host->process()->GetData().id == plugin_process_id) {
2299       // Found the plugin.
2300       return host->browser_ppapi_host();
2301     }
2302     ++iter;
2303   }
2304 #endif
2305   return NULL;
2306 }
2307
2308 bool ChromeContentBrowserClient::AllowPepperSocketAPI(
2309     content::BrowserContext* browser_context,
2310     const GURL& url,
2311     bool private_api,
2312     const content::SocketPermissionRequest* params) {
2313 #if defined(ENABLE_PLUGINS) && defined(ENABLE_EXTENSIONS)
2314   return ChromeContentBrowserClientPluginsPart::AllowPepperSocketAPI(
2315       browser_context, url, private_api, params, allowed_socket_origins_);
2316 #else
2317   return false;
2318 #endif
2319 }
2320
2321 ui::SelectFilePolicy* ChromeContentBrowserClient::CreateSelectFilePolicy(
2322     WebContents* web_contents) {
2323   return new ChromeSelectFilePolicy(web_contents);
2324 }
2325
2326 void ChromeContentBrowserClient::GetAdditionalAllowedSchemesForFileSystem(
2327     std::vector<std::string>* additional_allowed_schemes) {
2328   ContentBrowserClient::GetAdditionalAllowedSchemesForFileSystem(
2329       additional_allowed_schemes);
2330   additional_allowed_schemes->push_back(content::kChromeDevToolsScheme);
2331   additional_allowed_schemes->push_back(content::kChromeUIScheme);
2332   for (size_t i = 0; i < extra_parts_.size(); ++i) {
2333     extra_parts_[i]->GetAdditionalAllowedSchemesForFileSystem(
2334         additional_allowed_schemes);
2335   }
2336 }
2337
2338 void ChromeContentBrowserClient::GetURLRequestAutoMountHandlers(
2339     std::vector<storage::URLRequestAutoMountHandler>* handlers) {
2340   for (size_t i = 0; i < extra_parts_.size(); ++i)
2341     extra_parts_[i]->GetURLRequestAutoMountHandlers(handlers);
2342 }
2343
2344 void ChromeContentBrowserClient::GetAdditionalFileSystemBackends(
2345     content::BrowserContext* browser_context,
2346     const base::FilePath& storage_partition_path,
2347     ScopedVector<storage::FileSystemBackend>* additional_backends) {
2348 #if defined(OS_CHROMEOS)
2349   storage::ExternalMountPoints* external_mount_points =
2350       content::BrowserContext::GetMountPoints(browser_context);
2351   DCHECK(external_mount_points);
2352   chromeos::FileSystemBackend* backend = new chromeos::FileSystemBackend(
2353       new drive::FileSystemBackendDelegate,
2354       new chromeos::file_system_provider::BackendDelegate,
2355       new chromeos::MTPFileSystemBackendDelegate(storage_partition_path),
2356       external_mount_points,
2357       storage::ExternalMountPoints::GetSystemInstance());
2358   backend->AddSystemMountPoints();
2359   DCHECK(backend->CanHandleType(storage::kFileSystemTypeExternal));
2360   additional_backends->push_back(backend);
2361 #endif
2362
2363   for (size_t i = 0; i < extra_parts_.size(); ++i) {
2364     extra_parts_[i]->GetAdditionalFileSystemBackends(
2365         browser_context, storage_partition_path, additional_backends);
2366   }
2367 }
2368
2369 #if defined(OS_ANDROID)
2370 void ChromeContentBrowserClient::GetAdditionalMappedFilesForChildProcess(
2371     const base::CommandLine& command_line,
2372     int child_process_id,
2373     FileDescriptorInfo* mappings,
2374     std::map<int, base::MemoryMappedFile::Region>* regions) {
2375   int fd = ui::GetMainAndroidPackFd(
2376       &(*regions)[kAndroidUIResourcesPakDescriptor]);
2377   mappings->Share(kAndroidUIResourcesPakDescriptor, fd);
2378
2379   fd = ui::GetCommonResourcesPackFd(
2380       &(*regions)[kAndroidChrome100PercentPakDescriptor]);
2381   mappings->Share(kAndroidChrome100PercentPakDescriptor, fd);
2382
2383   fd = ui::GetLocalePackFd(&(*regions)[kAndroidLocalePakDescriptor]);
2384   mappings->Share(kAndroidLocalePakDescriptor, fd);
2385
2386   if (breakpad::IsCrashReporterEnabled()) {
2387     base::File file =
2388         breakpad::CrashDumpManager::GetInstance()->CreateMinidumpFile(
2389             child_process_id);
2390     if (file.IsValid()) {
2391       mappings->Transfer(kAndroidMinidumpDescriptor,
2392                          base::ScopedFD(file.TakePlatformFile()));
2393     } else {
2394       LOG(ERROR) << "Failed to create file for minidump, crash reporting will "
2395                  "be disabled for this process.";
2396     }
2397   }
2398
2399   base::FilePath app_data_path;
2400   PathService::Get(base::DIR_ANDROID_APP_DATA, &app_data_path);
2401   DCHECK(!app_data_path.empty());
2402 }
2403 #elif defined(OS_POSIX) && !defined(OS_MACOSX)
2404 void ChromeContentBrowserClient::GetAdditionalMappedFilesForChildProcess(
2405     const base::CommandLine& command_line,
2406     int child_process_id,
2407     FileDescriptorInfo* mappings) {
2408   int crash_signal_fd = GetCrashSignalFD(command_line);
2409   if (crash_signal_fd >= 0) {
2410     mappings->Share(kCrashDumpSignal, crash_signal_fd);
2411   }
2412 }
2413 #endif  // defined(OS_ANDROID)
2414
2415 #if defined(OS_WIN)
2416 const wchar_t* ChromeContentBrowserClient::GetResourceDllName() {
2417   return chrome::kBrowserResourcesDll;
2418 }
2419
2420 base::string16 ChromeContentBrowserClient::GetAppContainerSidForSandboxType(
2421     int sandbox_type) const {
2422   base::string16 sid;
2423
2424 #if defined(GOOGLE_CHROME_BUILD)
2425   const version_info::Channel channel = chrome::GetChannel();
2426
2427   // It's possible to have a SxS installation running at the same time as a
2428   // non-SxS so isolate them from each other.
2429   if (channel == version_info::Channel::CANARY) {
2430     sid.assign(
2431         L"S-1-15-2-3251537155-1984446955-2931258699-841473695-1938553385-"
2432         L"924012150-");
2433   } else {
2434     sid.assign(
2435         L"S-1-15-2-3251537155-1984446955-2931258699-841473695-1938553385-"
2436         L"924012149-");
2437   }
2438 #else
2439   sid.assign(
2440       L"S-1-15-2-3251537155-1984446955-2931258699-841473695-1938553385-"
2441       L"924012148-");
2442 #endif
2443
2444   // TODO(wfh): Add support for more process types here. crbug.com/499523
2445   switch (sandbox_type) {
2446     case content::SANDBOX_TYPE_RENDERER:
2447       return sid + L"129201922";
2448     case content::SANDBOX_TYPE_UTILITY:
2449       return base::string16();
2450     case content::SANDBOX_TYPE_GPU:
2451       return base::string16();
2452     case content::SANDBOX_TYPE_PPAPI:
2453       return sid + L"129201925";
2454 #if !defined(DISABLE_NACL)
2455     case PROCESS_TYPE_NACL_LOADER:
2456       return base::string16();
2457     case PROCESS_TYPE_NACL_BROKER:
2458       return base::string16();
2459 #endif
2460   }
2461
2462   // Should never reach here.
2463   CHECK(0);
2464   return base::string16();
2465 }
2466
2467 void ChromeContentBrowserClient::PreSpawnRenderer(
2468     sandbox::TargetPolicy* policy,
2469     bool* success) {
2470   // This code is duplicated in nacl_exe_win_64.cc.
2471   // Allow the server side of a pipe restricted to the "chrome.nacl."
2472   // namespace so that it cannot impersonate other system or other chrome
2473   // service pipes.
2474   sandbox::ResultCode result = policy->AddRule(
2475       sandbox::TargetPolicy::SUBSYS_NAMED_PIPES,
2476       sandbox::TargetPolicy::NAMEDPIPES_ALLOW_ANY,
2477       L"\\\\.\\pipe\\chrome.nacl.*");
2478   if (result != sandbox::SBOX_ALL_OK) {
2479     *success = false;
2480     return;
2481   }
2482
2483   // Renderers need to send named pipe handles and shared memory
2484   // segment handles to NaCl loader processes.
2485   result = policy->AddRule(sandbox::TargetPolicy::SUBSYS_HANDLES,
2486                            sandbox::TargetPolicy::HANDLES_DUP_ANY,
2487                            L"File");
2488   if (result != sandbox::SBOX_ALL_OK) {
2489     *success = false;
2490     return;
2491   }
2492 }
2493 #endif
2494
2495 void ChromeContentBrowserClient::RegisterFrameMojoShellServices(
2496     content::ServiceRegistry* registry,
2497     content::RenderFrameHost* render_frame_host) {
2498 #if defined(OS_CHROMEOS)
2499   registry->AddService(
2500       base::Bind(&chromeos::attestation::PlatformVerificationImpl::Create,
2501                  render_frame_host));
2502 #endif
2503 }
2504
2505 void ChromeContentBrowserClient::RegisterInProcessMojoApplications(
2506     StaticMojoApplicationMap* apps) {
2507 #if !defined(OS_ANDROID) && !defined(OS_IOS)
2508   apps->insert(std::make_pair(GURL(device::kDevicesMojoAppUrl),
2509                               base::Bind(&device::DevicesAppFactory::CreateApp,
2510                                          base::ThreadTaskRunnerHandle::Get())));
2511 #endif
2512 }
2513
2514 void ChromeContentBrowserClient::OpenURL(
2515     content::BrowserContext* browser_context,
2516     const content::OpenURLParams& params,
2517     const base::Callback<void(content::WebContents*)>& callback) {
2518   DCHECK_CURRENTLY_ON(BrowserThread::UI);
2519
2520 #if !defined(OS_ANDROID) && !defined(OS_IOS)
2521   NavigateParams nav_params(Profile::FromBrowserContext(browser_context),
2522                             params.url,
2523                             params.transition);
2524   FillNavigateParamsFromOpenURLParams(&nav_params, params);
2525   nav_params.user_gesture = params.user_gesture;
2526
2527   Navigate(&nav_params);
2528   callback.Run(nav_params.target_contents);
2529 #elif defined(OS_ANDROID)
2530   service_tab_launcher::ServiceTabLauncher::GetInstance()->LaunchTab(
2531       browser_context, params, callback);
2532 #else
2533   NOTIMPLEMENTED();
2534 #endif
2535 }
2536
2537 content::PresentationServiceDelegate*
2538 ChromeContentBrowserClient::GetPresentationServiceDelegate(
2539       content::WebContents* web_contents) {
2540 #if defined(ENABLE_MEDIA_ROUTER)
2541   if (switches::MediaRouterEnabled()) {
2542     return media_router::PresentationServiceDelegateImpl::
2543         GetOrCreateForWebContents(web_contents);
2544   }
2545 #endif
2546   return nullptr;
2547 }
2548
2549 void ChromeContentBrowserClient::RecordURLMetric(const std::string& metric,
2550                                                  const GURL& url) {
2551   if (url.is_valid()) {
2552     rappor::SampleDomainAndRegistryFromGURL(g_browser_process->rappor_service(),
2553                                             metric, url);
2554   }
2555 }
2556
2557 content::DevToolsManagerDelegate*
2558 ChromeContentBrowserClient::GetDevToolsManagerDelegate() {
2559   return new ChromeDevToolsManagerDelegate();
2560 }
2561
2562 content::TracingDelegate* ChromeContentBrowserClient::GetTracingDelegate() {
2563 #if !defined(OS_ANDROID)
2564   return new ChromeTracingDelegate();
2565 #else
2566   return nullptr;
2567 #endif
2568 }
2569
2570 bool ChromeContentBrowserClient::IsPluginAllowedToCallRequestOSFileHandle(
2571     content::BrowserContext* browser_context,
2572     const GURL& url) {
2573 #if defined(ENABLE_PLUGINS) && defined(ENABLE_EXTENSIONS)
2574   return ChromeContentBrowserClientPluginsPart::
2575       IsPluginAllowedToCallRequestOSFileHandle(browser_context, url,
2576                                                allowed_file_handle_origins_);
2577 #else
2578   return false;
2579 #endif
2580 }
2581
2582 bool ChromeContentBrowserClient::IsPluginAllowedToUseDevChannelAPIs(
2583     content::BrowserContext* browser_context,
2584     const GURL& url) {
2585 #if defined(ENABLE_PLUGINS) && defined(ENABLE_EXTENSIONS)
2586   return ChromeContentBrowserClientPluginsPart::
2587       IsPluginAllowedToUseDevChannelAPIs(browser_context, url,
2588                                          allowed_dev_channel_origins_);
2589 #else
2590   return false;
2591 #endif
2592 }
2593
2594 void ChromeContentBrowserClient::OverridePageVisibilityState(
2595       RenderFrameHost* render_frame_host,
2596       blink::WebPageVisibilityState* visibility_state) {
2597   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
2598
2599   WebContents* web_contents =
2600       WebContents::FromRenderFrameHost(render_frame_host);
2601   DCHECK(web_contents);
2602
2603   Profile* profile =
2604       Profile::FromBrowserContext(web_contents->GetBrowserContext());
2605   prerender::PrerenderManager* prerender_manager =
2606       prerender::PrerenderManagerFactory::GetForProfile(profile);
2607   if (prerender_manager &&
2608       prerender_manager->IsWebContentsPrerendering(web_contents, nullptr)) {
2609     *visibility_state = blink::WebPageVisibilityStatePrerender;
2610   }
2611 }
2612
2613 #if defined(ENABLE_WEBRTC)
2614 void ChromeContentBrowserClient::MaybeCopyDisableWebRtcEncryptionSwitch(
2615     base::CommandLine* to_command_line,
2616     const base::CommandLine& from_command_line,
2617     version_info::Channel channel) {
2618 #if defined(OS_ANDROID)
2619   const version_info::Channel kMaxDisableEncryptionChannel =
2620       version_info::Channel::BETA;
2621 #else
2622   const version_info::Channel kMaxDisableEncryptionChannel =
2623       version_info::Channel::DEV;
2624 #endif
2625   if (channel <= kMaxDisableEncryptionChannel) {
2626     static const char* const kWebRtcDevSwitchNames[] = {
2627       switches::kDisableWebRtcEncryption,
2628     };
2629     to_command_line->CopySwitchesFrom(from_command_line,
2630                                       kWebRtcDevSwitchNames,
2631                                       arraysize(kWebRtcDevSwitchNames));
2632   }
2633 }
2634 #endif  // defined(ENABLE_WEBRTC)
2635
2636 }  // namespace chrome