chrome/browser/chrome_content_browser_client.cc

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "chrome/browser/chrome_content_browser_client.h"
   6
   7 #include <set>
   8 #include <utility>
   9 #include <vector>
  10
  11 #include "base/bind.h"
  12 #include "base/command_line.h"
  13 #include "base/files/scoped_file.h"
  14 #include "base/lazy_instance.h"
  15 #include "base/path_service.h"
  16 #include "base/prefs/pref_service.h"
  17 #include "base/prefs/scoped_user_pref_update.h"
  18 #include "base/strings/string_number_conversions.h"
  19 #include "base/strings/utf_string_conversions.h"
  20 #include "base/threading/sequenced_worker_pool.h"
  21 #include "chrome/browser/browser_about_handler.h"
  22 #include "chrome/browser/browser_process.h"
  23 #include "chrome/browser/browser_shutdown.h"
  24 #include "chrome/browser/browsing_data/browsing_data_helper.h"
  25 #include "chrome/browser/browsing_data/browsing_data_remover.h"
  26 #include "chrome/browser/character_encoding.h"
  27 #include "chrome/browser/chrome_content_browser_client_parts.h"
  28 #include "chrome/browser/chrome_net_benchmarking_message_filter.h"
  29 #include "chrome/browser/chrome_quota_permission_context.h"
  30 #include "chrome/browser/content_settings/cookie_settings.h"
  31 #include "chrome/browser/content_settings/tab_specific_content_settings.h"
  32 #include "chrome/browser/defaults.h"
  33 #include "chrome/browser/download/download_prefs.h"
  34 #include "chrome/browser/font_family_cache.h"
  35 #include "chrome/browser/geolocation/chrome_access_token_store.h"
  36 #include "chrome/browser/geolocation/geolocation_permission_context.h"
  37 #include "chrome/browser/geolocation/geolocation_permission_context_factory.h"
  38 #include "chrome/browser/media/cast_transport_host_filter.h"
  39 #include "chrome/browser/media/media_capture_devices_dispatcher.h"
  40 #include "chrome/browser/media/midi_permission_context.h"
  41 #include "chrome/browser/media/midi_permission_context_factory.h"
  42 #include "chrome/browser/metrics/chrome_browser_main_extra_parts_metrics.h"
  43 #include "chrome/browser/nacl_host/nacl_browser_delegate_impl.h"
  44 #include "chrome/browser/net/chrome_net_log.h"
  45 #include "chrome/browser/notifications/desktop_notification_service.h"
  46 #include "chrome/browser/notifications/desktop_notification_service_factory.h"
  47 #include "chrome/browser/platform_util.h"
  48 #include "chrome/browser/prerender/prerender_final_status.h"
  49 #include "chrome/browser/prerender/prerender_manager.h"
  50 #include "chrome/browser/prerender/prerender_manager_factory.h"
  51 #include "chrome/browser/prerender/prerender_message_filter.h"
  52 #include "chrome/browser/prerender/prerender_tracker.h"
  53 #include "chrome/browser/printing/printing_message_filter.h"
  54 #include "chrome/browser/profiles/chrome_browser_main_extra_parts_profiles.h"
  55 #include "chrome/browser/profiles/profile.h"
  56 #include "chrome/browser/profiles/profile_io_data.h"
  57 #include "chrome/browser/renderer_host/chrome_render_message_filter.h"
  58 #include "chrome/browser/renderer_host/pepper/chrome_browser_pepper_host_factory.h"
  59 #include "chrome/browser/search/instant_service.h"
  60 #include "chrome/browser/search/instant_service_factory.h"
  61 #include "chrome/browser/search/search.h"
  62 #include "chrome/browser/search_engines/search_provider_install_state_message_filter.h"
  63 #include "chrome/browser/services/gcm/push_messaging_permission_context.h"
  64 #include "chrome/browser/services/gcm/push_messaging_permission_context_factory.h"
  65 #include "chrome/browser/signin/principals_message_filter.h"
  66 #include "chrome/browser/speech/chrome_speech_recognition_manager_delegate.h"
  67 #include "chrome/browser/speech/tts_controller.h"
  68 #include "chrome/browser/speech/tts_message_filter.h"
  69 #include "chrome/browser/ssl/ssl_add_certificate.h"
  70 #include "chrome/browser/ssl/ssl_blocking_page.h"
  71 #include "chrome/browser/ssl/ssl_client_certificate_selector.h"
  72 #include "chrome/browser/tab_contents/tab_util.h"
  73 #include "chrome/browser/ui/blocked_content/blocked_window_params.h"
  74 #include "chrome/browser/ui/blocked_content/popup_blocker_tab_helper.h"
  75 #include "chrome/browser/ui/chrome_select_file_policy.h"
  76 #include "chrome/browser/ui/sync/sync_promo_ui.h"
  77 #include "chrome/browser/ui/tab_contents/chrome_web_contents_view_delegate.h"
  78 #include "chrome/browser/ui/webui/chrome_web_ui_controller_factory.h"
  79 #include "chrome/common/chrome_constants.h"
  80 #include "chrome/common/chrome_paths.h"
  81 #include "chrome/common/chrome_switches.h"
  82 #include "chrome/common/env_vars.h"
  83 #include "chrome/common/logging_chrome.h"
  84 #include "chrome/common/pepper_permission_util.h"
  85 #include "chrome/common/pref_names.h"
  86 #include "chrome/common/render_messages.h"
  87 #include "chrome/common/url_constants.h"
  88 #include "chrome/grit/generated_resources.h"
  89 #include "chrome/installer/util/google_update_settings.h"
  90 #include "chromeos/chromeos_constants.h"
  91 #include "components/cdm/browser/cdm_message_filter_android.h"
  92 #include "components/cloud_devices/common/cloud_devices_switches.h"
  93 #include "components/content_settings/core/browser/content_settings_provider.h"
  94 #include "components/content_settings/core/browser/content_settings_utils.h"
  95 #include "components/content_settings/core/browser/host_content_settings_map.h"
  96 #include "components/content_settings/core/common/content_settings.h"
  97 #include "components/content_settings/core/common/permission_request_id.h"
  98 #include "components/dom_distiller/core/url_constants.h"
  99 #include "components/google/core/browser/google_util.h"
 100 #include "components/metrics/client_info.h"
 101 #include "components/pref_registry/pref_registry_syncable.h"
 102 #include "components/signin/core/common/profile_management_switches.h"
 103 #include "components/translate/core/common/translate_switches.h"
 104 #include "content/public/browser/browser_child_process_host.h"
 105 #include "content/public/browser/browser_main_parts.h"
 106 #include "content/public/browser/browser_ppapi_host.h"
 107 #include "content/public/browser/browser_thread.h"
 108 #include "content/public/browser/browser_url_handler.h"
 109 #include "content/public/browser/child_process_data.h"
 110 #include "content/public/browser/child_process_security_policy.h"
 111 #include "content/public/browser/desktop_notification_delegate.h"
 112 #include "content/public/browser/permission_type.h"
 113 #include "content/public/browser/render_frame_host.h"
 114 #include "content/public/browser/render_process_host.h"
 115 #include "content/public/browser/render_view_host.h"
 116 #include "content/public/browser/resource_context.h"
 117 #include "content/public/browser/site_instance.h"
 118 #include "content/public/browser/web_contents.h"
 119 #include "content/public/common/child_process_host.h"
 120 #include "content/public/common/content_descriptors.h"
 121 #include "content/public/common/show_desktop_notification_params.h"
 122 #include "content/public/common/url_utils.h"
 123 #include "content/public/common/web_preferences.h"
 124 #include "net/base/mime_util.h"
 125 #include "net/cookies/canonical_cookie.h"
 126 #include "net/cookies/cookie_options.h"
 127 #include "net/ssl/ssl_cert_request_info.h"
 128 #include "ppapi/host/ppapi_host.h"
 129 #include "storage/browser/fileapi/external_mount_points.h"
 130 #include "ui/base/l10n/l10n_util.h"
 131 #include "ui/base/resource/resource_bundle.h"
 132 #include "ui/resources/grit/ui_resources.h"
 133
 134 #if defined(OS_WIN)
 135 #include "base/win/windows_version.h"
 136 #include "chrome/browser/chrome_browser_main_win.h"
 137 #include "sandbox/win/src/sandbox_policy.h"
 138 #elif defined(OS_MACOSX)
 139 #include "chrome/browser/chrome_browser_main_mac.h"
 140 #include "chrome/browser/spellchecker/spellcheck_message_filter_mac.h"
 141 #include "components/crash/app/breakpad_mac.h"
 142 #elif defined(OS_CHROMEOS)
 143 #include "chrome/browser/chromeos/chrome_browser_main_chromeos.h"
 144 #include "chrome/browser/chromeos/drive/fileapi/file_system_backend_delegate.h"
 145 #include "chrome/browser/chromeos/file_manager/app_id.h"
 146 #include "chrome/browser/chromeos/file_system_provider/fileapi/backend_delegate.h"
 147 #include "chrome/browser/chromeos/fileapi/file_system_backend.h"
 148 #include "chrome/browser/chromeos/fileapi/mtp_file_system_backend_delegate.h"
 149 #include "chrome/browser/chromeos/login/startup_utils.h"
 150 #include "chrome/browser/chromeos/system/input_device_settings.h"
 151 #include "chromeos/chromeos_switches.h"
 152 #include "components/user_manager/user_manager.h"
 153 #elif defined(OS_LINUX)
 154 #include "chrome/browser/chrome_browser_main_linux.h"
 155 #elif defined(OS_ANDROID)
 156 #include "chrome/browser/android/new_tab_page_url_handler.h"
 157 #include "chrome/browser/android/webapps/single_tab_mode_tab_helper.h"
 158 #include "chrome/browser/chrome_browser_main_android.h"
 159 #include "chrome/browser/media/protected_media_identifier_permission_context.h"
 160 #include "chrome/browser/media/protected_media_identifier_permission_context_factory.h"
 161 #include "chrome/common/descriptors_android.h"
 162 #include "components/crash/browser/crash_dump_manager_android.h"
 163 #elif defined(OS_POSIX)
 164 #include "chrome/browser/chrome_browser_main_posix.h"
 165 #endif
 166
 167 #if defined(OS_POSIX) && !defined(OS_MACOSX)
 168 #include "base/debug/leak_annotations.h"
 169 #include "components/crash/app/breakpad_linux.h"
 170 #include "components/crash/browser/crash_handler_host_linux.h"
 171 #endif
 172
 173 #if defined(OS_ANDROID)
 174 #include "ui/base/ui_base_paths.h"
 175 #include "ui/gfx/android/device_display_info.h"
 176 #endif
 177
 178 #if defined(OS_ANDROID)
 179 #include "chrome/browser/android/dev_tools_manager_delegate_android.h"
 180 #else
 181 #include "chrome/browser/devtools/chrome_devtools_manager_delegate.h"
 182 #endif
 183
 184 #if !defined(OS_CHROMEOS)
 185 #include "chrome/browser/signin/chrome_signin_client.h"
 186 #include "chrome/browser/signin/chrome_signin_client_factory.h"
 187 #include "chrome/browser/signin/signin_manager_factory.h"
 188 #include "components/signin/core/browser/signin_manager.h"
 189 #endif
 190
 191 #if defined(TOOLKIT_VIEWS)
 192 #include "chrome/browser/ui/views/chrome_browser_main_extra_parts_views.h"
 193 #endif
 194
 195 #if defined(USE_ATHENA)
 196 #include "athena/content/public/web_contents_view_delegate_creator.h"
 197 #include "chrome/browser/ui/views/athena/chrome_browser_main_extra_parts_athena.h"
 198 #elif defined(USE_ASH)
 199 #include "chrome/browser/ui/views/ash/chrome_browser_main_extra_parts_ash.h"
 200 #endif
 201
 202 #if defined(USE_AURA)
 203 #include "chrome/browser/ui/aura/chrome_browser_main_extra_parts_aura.h"
 204 #endif
 205
 206 #if defined(USE_X11)
 207 #include "chrome/browser/chrome_browser_main_extra_parts_x11.h"
 208 #endif
 209
 210 #if defined(ENABLE_CAPTIVE_PORTAL_DETECTION)
 211 #include "chrome/browser/captive_portal/captive_portal_tab_helper.h"
 212 #endif
 213
 214 #if !defined(DISABLE_NACL)
 215 #include "components/nacl/browser/nacl_browser.h"
 216 #include "components/nacl/browser/nacl_host_message_filter.h"
 217 #include "components/nacl/browser/nacl_process_host.h"
 218 #include "components/nacl/common/nacl_process_type.h"
 219 #include "components/nacl/common/nacl_switches.h"
 220 #endif
 221
 222 #if defined(ENABLE_EXTENSIONS)
 223 #include "chrome/browser/extensions/chrome_content_browser_client_extensions_part.h"
 224 #include "chrome/browser/extensions/extension_util.h"
 225 #include "chrome/browser/speech/extension_api/tts_engine_extension_api.h"
 226 #include "extensions/browser/extension_registry.h"
 227 #include "extensions/browser/guest_view/guest_view_base.h"
 228 #include "extensions/browser/guest_view/guest_view_manager.h"
 229 #include "extensions/browser/guest_view/web_view/web_view_guest.h"
 230 #include "extensions/browser/guest_view/web_view/web_view_permission_helper.h"
 231 #include "extensions/browser/guest_view/web_view/web_view_renderer_state.h"
 232 #include "extensions/common/constants.h"
 233 #include "extensions/common/extension.h"
 234 #include "extensions/common/extension_set.h"
 235 #include "extensions/common/manifest_handlers/background_info.h"
 236 #include "extensions/common/manifest_handlers/shared_module_info.h"
 237 #include "extensions/common/permissions/permissions_data.h"
 238 #include "extensions/common/permissions/socket_permission.h"
 239 #include "extensions/common/switches.h"
 240 #endif
 241
 242 #if defined(ENABLE_PLUGINS)
 243 #include "chrome/browser/plugins/chrome_content_browser_client_plugins_part.h"
 244 #endif
 245
 246 #if defined(ENABLE_SPELLCHECK)
 247 #include "chrome/browser/spellchecker/spellcheck_message_filter.h"
 248 #endif
 249
 250 #if defined(ENABLE_WEBRTC)
 251 #include "chrome/browser/media/webrtc_logging_handler_host.h"
 252 #endif
 253
 254 using base::FileDescriptor;
 255 using blink::WebWindowFeatures;
 256 using content::AccessTokenStore;
 257 using content::BrowserThread;
 258 using content::BrowserURLHandler;
 259 using content::ChildProcessSecurityPolicy;
 260 using content::QuotaPermissionContext;
 261 using content::RenderFrameHost;
 262 using content::RenderViewHost;
 263 using content::ResourceType;
 264 using content::SiteInstance;
 265 using content::WebContents;
 266 using content::WebPreferences;
 267 using message_center::NotifierId;
 268
 269 #if defined(OS_POSIX)
 270 using content::FileDescriptorInfo;
 271 #endif
 272
 273 #if defined(ENABLE_EXTENSIONS)
 274 using extensions::APIPermission;
 275 using extensions::ChromeContentBrowserClientExtensionsPart;
 276 using extensions::Extension;
 277 using extensions::InfoMap;
 278 using extensions::Manifest;
 279 #endif
 280
 281 #if defined(ENABLE_PLUGINS)
 282 using plugins::ChromeContentBrowserClientPluginsPart;
 283 #endif
 284
 285 namespace {
 286
 287 // Cached version of the locale so we can return the locale on the I/O
 288 // thread.
 289 base::LazyInstance<std::string> g_io_thread_application_locale;
 290
 291 #if defined(ENABLE_PLUGINS)
 292 // TODO(teravest): Add renderer-side API-specific checking for these APIs so
 293 // that blanket permission isn't granted to all dev channel APIs for these.
 294 // http://crbug.com/386743
 295 const char* const kPredefinedAllowedDevChannelOrigins[] = {
 296   "6EAED1924DB611B6EEF2A664BD077BE7EAD33B8F",  // see crbug.com/383937
 297   "4EB74897CB187C7633357C2FE832E0AD6A44883A"   // see crbug.com/383937
 298 };
 299
 300 const char* const kPredefinedAllowedFileHandleOrigins[] = {
 301   "6EAED1924DB611B6EEF2A664BD077BE7EAD33B8F",  // see crbug.com/234789
 302   "4EB74897CB187C7633357C2FE832E0AD6A44883A"   // see crbug.com/234789
 303 };
 304
 305 const char* const kPredefinedAllowedSocketOrigins[] = {
 306   "okddffdblfhhnmhodogpojmfkjmhinfp",  // Test SSH Client
 307   "pnhechapfaindjhompbnflcldabbghjo",  // HTerm App (SSH Client)
 308   "bglhmjfplikpjnfoegeomebmfnkjomhe",  // see crbug.com/122126
 309   "gbchcmhmhahfdphkhkmpfmihenigjmpp",  // Chrome Remote Desktop
 310   "kgngmbheleoaphbjbaiobfdepmghbfah",  // Pre-release Chrome Remote Desktop
 311   "odkaodonbgfohohmklejpjiejmcipmib",  // Dogfood Chrome Remote Desktop
 312   "ojoimpklfciegopdfgeenehpalipignm",  // Chromoting canary
 313   "cbkkbcmdlboombapidmoeolnmdacpkch",  // see crbug.com/129089
 314   "hhnbmknkdabfoieppbbljkhkfjcmcbjh",  // see crbug.com/134099
 315   "mablfbjkhmhkmefkjjacnbaikjkipphg",  // see crbug.com/134099
 316   "pdeelgamlgannhelgoegilelnnojegoh",  // see crbug.com/134099
 317   "cabapfdbkniadpollkckdnedaanlciaj",  // see crbug.com/134099
 318   "mapljbgnjledlpdmlchihnmeclmefbba",  // see crbug.com/134099
 319   "ghbfeebgmiidnnmeobbbaiamklmpbpii",  // see crbug.com/134099
 320   "jdfhpkjeckflbbleddjlpimecpbjdeep",  // see crbug.com/142514
 321   "iabmpiboiopbgfabjmgeedhcmjenhbla",  // see crbug.com/165080
 322   "B7CF8A292249681AF81771650BA4CEEAF19A4560",  // see crbug.com/165080
 323   "7525AF4F66763A70A883C4700529F647B470E4D2",  // see crbug.com/238084
 324   "0B549507088E1564D672F7942EB87CA4DAD73972",  // see crbug.com/238084
 325   "864288364E239573E777D3E0E36864E590E95C74"   // see crbug.com/238084
 326 };
 327 #endif
 328
 329 // Returns a copy of the given url with its host set to given host and path set
 330 // to given path. Other parts of the url will be the same.
 331 GURL ReplaceURLHostAndPath(const GURL& url,
 332                            const std::string& host,
 333                            const std::string& path) {
 334   url::Replacements<char> replacements;
 335   replacements.SetHost(host.c_str(), url::Component(0, host.length()));
 336   replacements.SetPath(path.c_str(), url::Component(0, path.length()));
 337   return url.ReplaceComponents(replacements);
 338 }
 339
 340 // Maps "foo://bar/baz/" to "foo://chrome/bar/baz/".
 341 GURL AddUberHost(const GURL& url) {
 342   const std::string uber_host = chrome::kChromeUIUberHost;
 343   const std::string new_path = url.host() + url.path();
 344
 345   return ReplaceURLHostAndPath(url, uber_host, new_path);
 346 }
 347
 348 // If url->host() is "chrome" and url->path() has characters other than the
 349 // first slash, changes the url from "foo://chrome/bar/" to "foo://bar/" and
 350 // returns true. Otherwise returns false.
 351 bool RemoveUberHost(GURL* url) {
 352   if (url->host() != chrome::kChromeUIUberHost)
 353     return false;
 354
 355   if (url->path().empty() || url->path() == "/")
 356     return false;
 357
 358   const std::string old_path = url->path();
 359
 360   const std::string::size_type separator = old_path.find('/', 1);
 361   std::string new_host;
 362   std::string new_path;
 363   if (separator == std::string::npos) {
 364     new_host = old_path.substr(1);
 365   } else {
 366     new_host = old_path.substr(1, separator - 1);
 367     new_path = old_path.substr(separator);
 368   }
 369
 370   // Do not allow URLs with paths empty before the first slash since we can't
 371   // have an empty host. (e.g "foo://chrome//")
 372   if (new_host.empty())
 373     return false;
 374
 375   *url = ReplaceURLHostAndPath(*url, new_host, new_path);
 376
 377   DCHECK(url->is_valid());
 378
 379   return true;
 380 }
 381
 382 // Handles rewriting Web UI URLs.
 383 bool HandleWebUI(GURL* url, content::BrowserContext* browser_context) {
 384   // Do not handle special URLs such as "about:foo"
 385   if (!url->host().empty()) {
 386     const GURL chrome_url = AddUberHost(*url);
 387
 388     // Handle valid "chrome://chrome/foo" URLs so the reverse handler will
 389     // be called.
 390     if (ChromeWebUIControllerFactory::GetInstance()->UseWebUIForURL(
 391             browser_context, chrome_url))
 392       return true;
 393   }
 394
 395   if (!ChromeWebUIControllerFactory::GetInstance()->UseWebUIForURL(
 396           browser_context, *url))
 397     return false;
 398
 399 #if defined(OS_CHROMEOS)
 400   // Special case : in ChromeOS in Guest mode bookmarks and history are
 401   // disabled for security reasons. New tab page explains the reasons, so
 402   // we redirect user to new tab page.
 403   if (user_manager::UserManager::Get()->IsLoggedInAsGuest()) {
 404     if (url->SchemeIs(content::kChromeUIScheme) &&
 405         (url->DomainIs(chrome::kChromeUIBookmarksHost) ||
 406          url->DomainIs(chrome::kChromeUIHistoryHost))) {
 407       // Rewrite with new tab URL
 408       *url = GURL(chrome::kChromeUINewTabURL);
 409     }
 410   }
 411 #endif
 412
 413   return true;
 414 }
 415
 416 // Reverse URL handler for Web UI. Maps "chrome://chrome/foo/" to
 417 // "chrome://foo/".
 418 bool HandleWebUIReverse(GURL* url, content::BrowserContext* browser_context) {
 419   if (!url->is_valid() || !url->SchemeIs(content::kChromeUIScheme))
 420     return false;
 421
 422   return RemoveUberHost(url);
 423 }
 424
 425 bool CertMatchesFilter(const net::X509Certificate& cert,
 426                        const base::DictionaryValue& filter) {
 427   // TODO(markusheintz): This is the minimal required filter implementation.
 428   // Implement a better matcher.
 429
 430   // An empty filter matches any client certificate since no requirements are
 431   // specified at all.
 432   if (filter.empty())
 433     return true;
 434
 435   std::string common_name;
 436   if (filter.GetString("ISSUER.CN", &common_name) &&
 437       (cert.issuer().common_name == common_name)) {
 438     return true;
 439   }
 440   return false;
 441 }
 442
 443 #if defined(OS_POSIX) && !defined(OS_ANDROID) && !defined(OS_MACOSX)
 444 breakpad::CrashHandlerHostLinux* CreateCrashHandlerHost(
 445     const std::string& process_type) {
 446   base::FilePath dumps_path;
 447   PathService::Get(chrome::DIR_CRASH_DUMPS, &dumps_path);
 448   {
 449     ANNOTATE_SCOPED_MEMORY_LEAK;
 450     bool upload = (getenv(env_vars::kHeadless) == NULL);
 451     breakpad::CrashHandlerHostLinux* crash_handler =
 452         new breakpad::CrashHandlerHostLinux(process_type, dumps_path, upload);
 453     crash_handler->StartUploaderThread();
 454     return crash_handler;
 455   }
 456 }
 457
 458 int GetCrashSignalFD(const CommandLine& command_line) {
 459   // Extensions have the same process type as renderers.
 460   if (command_line.HasSwitch(extensions::switches::kExtensionProcess)) {
 461     static breakpad::CrashHandlerHostLinux* crash_handler = NULL;
 462     if (!crash_handler)
 463       crash_handler = CreateCrashHandlerHost("extension");
 464     return crash_handler->GetDeathSignalSocket();
 465   }
 466
 467   std::string process_type =
 468       command_line.GetSwitchValueASCII(switches::kProcessType);
 469
 470   if (process_type == switches::kRendererProcess) {
 471     static breakpad::CrashHandlerHostLinux* crash_handler = NULL;
 472     if (!crash_handler)
 473       crash_handler = CreateCrashHandlerHost(process_type);
 474     return crash_handler->GetDeathSignalSocket();
 475   }
 476
 477   if (process_type == switches::kPluginProcess) {
 478     static breakpad::CrashHandlerHostLinux* crash_handler = NULL;
 479     if (!crash_handler)
 480       crash_handler = CreateCrashHandlerHost(process_type);
 481     return crash_handler->GetDeathSignalSocket();
 482   }
 483
 484   if (process_type == switches::kPpapiPluginProcess) {
 485     static breakpad::CrashHandlerHostLinux* crash_handler = NULL;
 486     if (!crash_handler)
 487       crash_handler = CreateCrashHandlerHost(process_type);
 488     return crash_handler->GetDeathSignalSocket();
 489   }
 490
 491   if (process_type == switches::kGpuProcess) {
 492     static breakpad::CrashHandlerHostLinux* crash_handler = NULL;
 493     if (!crash_handler)
 494       crash_handler = CreateCrashHandlerHost(process_type);
 495     return crash_handler->GetDeathSignalSocket();
 496   }
 497
 498   return -1;
 499 }
 500 #endif  // defined(OS_POSIX) && !defined(OS_ANDROID) && !defined(OS_MACOSX)
 501
 502 #if !defined(OS_CHROMEOS)
 503 GURL GetEffectiveURLForSignin(const GURL& url) {
 504   CHECK(SigninManager::IsWebBasedSigninFlowURL(url));
 505
 506   GURL effective_url(SigninManager::kChromeSigninEffectiveSite);
 507   // Copy the path because the argument to SetPathStr must outlive
 508   // the Replacements object.
 509   const std::string path_copy(url.path());
 510   GURL::Replacements replacements;
 511   replacements.SetPathStr(path_copy);
 512   effective_url = effective_url.ReplaceComponents(replacements);
 513   return effective_url;
 514 }
 515 #endif
 516
 517 void SetApplicationLocaleOnIOThread(const std::string& locale) {
 518   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
 519   g_io_thread_application_locale.Get() = locale;
 520 }
 521
 522 void HandleBlockedPopupOnUIThread(const BlockedWindowParams& params) {
 523   // TODO(jochen): This code path should use RenderFrameHosts. See
 524   // http://crbug.com/431769 for details.
 525   RenderViewHost* render_view_host =
 526       RenderViewHost::FromID(params.render_process_id(), params.opener_id());
 527   if (!render_view_host)
 528     return;
 529   WebContents* tab = WebContents::FromRenderViewHost(render_view_host);
 530   // The tab might already have navigated away.
 531   if (!tab || tab->GetRenderViewHost() != render_view_host)
 532     return;
 533
 534   prerender::PrerenderContents* prerender_contents =
 535       prerender::PrerenderContents::FromWebContents(tab);
 536   if (prerender_contents) {
 537     prerender_contents->Destroy(prerender::FINAL_STATUS_CREATE_NEW_WINDOW);
 538     return;
 539   }
 540
 541   PopupBlockerTabHelper* popup_helper =
 542       PopupBlockerTabHelper::FromWebContents(tab);
 543   if (!popup_helper)
 544     return;
 545   popup_helper->AddBlockedPopup(params);
 546 }
 547
 548 #if defined(OS_ANDROID)
 549
 550 void HandleSingleTabModeBlockOnUIThread(const BlockedWindowParams& params) {
 551   WebContents* web_contents =
 552       tab_util::GetWebContentsByID(params.render_process_id(),
 553                                    params.opener_id());
 554   if (!web_contents)
 555     return;
 556
 557   SingleTabModeTabHelper::FromWebContents(web_contents)->HandleOpenUrl(params);
 558 }
 559
 560 float GetDeviceScaleAdjustment() {
 561   static const float kMinFSM = 1.05f;
 562   static const int kWidthForMinFSM = 320;
 563   static const float kMaxFSM = 1.3f;
 564   static const int kWidthForMaxFSM = 800;
 565
 566   gfx::DeviceDisplayInfo info;
 567   int minWidth = info.GetSmallestDIPWidth();
 568
 569   if (minWidth <= kWidthForMinFSM)
 570     return kMinFSM;
 571   if (minWidth >= kWidthForMaxFSM)
 572     return kMaxFSM;
 573
 574   // The font scale multiplier varies linearly between kMinFSM and kMaxFSM.
 575   float ratio = static_cast<float>(minWidth - kWidthForMinFSM) /
 576       (kWidthForMaxFSM - kWidthForMinFSM);
 577   return ratio * (kMaxFSM - kMinFSM) + kMinFSM;
 578 }
 579
 580 #endif  // defined(OS_ANDROID)
 581
 582 #if defined(ENABLE_EXTENSIONS)
 583 // By default, JavaScript and images are enabled in guest content.
 584 void GetGuestViewDefaultContentSettingRules(
 585     bool incognito,
 586     RendererContentSettingRules* rules) {
 587   rules->image_rules.push_back(
 588       ContentSettingPatternSource(ContentSettingsPattern::Wildcard(),
 589                                   ContentSettingsPattern::Wildcard(),
 590                                   CONTENT_SETTING_ALLOW,
 591                                   std::string(),
 592                                   incognito));
 593
 594   rules->script_rules.push_back(
 595       ContentSettingPatternSource(ContentSettingsPattern::Wildcard(),
 596                                   ContentSettingsPattern::Wildcard(),
 597                                   CONTENT_SETTING_ALLOW,
 598                                   std::string(),
 599                                   incognito));
 600 }
 601 #endif  // defined(ENALBE_EXTENSIONS)
 602
 603 }  // namespace
 604
 605 namespace chrome {
 606
 607 ChromeContentBrowserClient::ChromeContentBrowserClient()
 608     : prerender_tracker_(NULL),
 609       weak_factory_(this) {
 610 #if defined(ENABLE_PLUGINS)
 611   for (size_t i = 0; i < arraysize(kPredefinedAllowedDevChannelOrigins); ++i)
 612     allowed_dev_channel_origins_.insert(kPredefinedAllowedDevChannelOrigins[i]);
 613   for (size_t i = 0; i < arraysize(kPredefinedAllowedFileHandleOrigins); ++i)
 614     allowed_file_handle_origins_.insert(kPredefinedAllowedFileHandleOrigins[i]);
 615   for (size_t i = 0; i < arraysize(kPredefinedAllowedSocketOrigins); ++i)
 616     allowed_socket_origins_.insert(kPredefinedAllowedSocketOrigins[i]);
 617
 618   extra_parts_.push_back(new ChromeContentBrowserClientPluginsPart);
 619 #endif
 620
 621 #if !defined(OS_ANDROID)
 622   TtsExtensionEngine* tts_extension_engine = TtsExtensionEngine::GetInstance();
 623   TtsController::GetInstance()->SetTtsEngineDelegate(tts_extension_engine);
 624 #endif
 625
 626 #if defined(ENABLE_EXTENSIONS)
 627   extra_parts_.push_back(new ChromeContentBrowserClientExtensionsPart);
 628 #endif
 629 }
 630
 631 ChromeContentBrowserClient::~ChromeContentBrowserClient() {
 632   for (int i = static_cast<int>(extra_parts_.size()) - 1; i >= 0; --i)
 633     delete extra_parts_[i];
 634   extra_parts_.clear();
 635 }
 636
 637 // static
 638 void ChromeContentBrowserClient::RegisterProfilePrefs(
 639     user_prefs::PrefRegistrySyncable* registry) {
 640   registry->RegisterBooleanPref(
 641       prefs::kDisable3DAPIs,
 642       false,
 643       user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
 644   registry->RegisterBooleanPref(
 645       prefs::kEnableHyperlinkAuditing,
 646       true,
 647       user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
 648   registry->RegisterListPref(
 649       prefs::kEnableDeprecatedWebPlatformFeatures,
 650       user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
 651 }
 652
 653 // static
 654 void ChromeContentBrowserClient::SetApplicationLocale(
 655     const std::string& locale) {
 656   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 657
 658   // This object is guaranteed to outlive all threads so we don't have to
 659   // worry about the lack of refcounting and can just post as Unretained.
 660   //
 661   // The common case is that this function is called early in Chrome startup
 662   // before any threads are created (it will also be called later if the user
 663   // changes the pref). In this case, there will be no threads created and
 664   // posting will fail. When there are no threads, we can just set the string
 665   // without worrying about threadsafety.
 666   if (!BrowserThread::PostTask(BrowserThread::IO, FROM_HERE,
 667           base::Bind(&SetApplicationLocaleOnIOThread, locale))) {
 668     g_io_thread_application_locale.Get() = locale;
 669   }
 670 }
 671
 672 content::BrowserMainParts* ChromeContentBrowserClient::CreateBrowserMainParts(
 673     const content::MainFunctionParams& parameters) {
 674   ChromeBrowserMainParts* main_parts;
 675   // Construct the Main browser parts based on the OS type.
 676 #if defined(OS_WIN)
 677   main_parts = new ChromeBrowserMainPartsWin(parameters);
 678 #elif defined(OS_MACOSX)
 679   main_parts = new ChromeBrowserMainPartsMac(parameters);
 680 #elif defined(OS_CHROMEOS)
 681   main_parts = new chromeos::ChromeBrowserMainPartsChromeos(parameters);
 682 #elif defined(OS_LINUX)
 683   main_parts = new ChromeBrowserMainPartsLinux(parameters);
 684 #elif defined(OS_ANDROID)
 685   main_parts = new ChromeBrowserMainPartsAndroid(parameters);
 686 #elif defined(OS_POSIX)
 687   main_parts = new ChromeBrowserMainPartsPosix(parameters);
 688 #else
 689   NOTREACHED();
 690   main_parts = new ChromeBrowserMainParts(parameters);
 691 #endif
 692
 693   chrome::AddProfilesExtraParts(main_parts);
 694
 695   // Construct additional browser parts. Stages are called in the order in
 696   // which they are added.
 697 #if defined(TOOLKIT_VIEWS)
 698   main_parts->AddParts(new ChromeBrowserMainExtraPartsViews());
 699 #endif
 700
 701 // TODO(oshima): Athena on chrome currently requires USE_ASH to build.
 702 // We should reduce the dependency as much as possible.
 703 #if defined(USE_ATHENA)
 704   main_parts->AddParts(CreateChromeBrowserMainExtraPartsAthena());
 705 #elif defined(USE_ASH)
 706   main_parts->AddParts(new ChromeBrowserMainExtraPartsAsh());
 707 #endif
 708
 709 #if defined(USE_AURA)
 710   main_parts->AddParts(new ChromeBrowserMainExtraPartsAura());
 711 #endif
 712
 713 #if defined(USE_X11)
 714   main_parts->AddParts(new ChromeBrowserMainExtraPartsX11());
 715 #endif
 716
 717   chrome::AddMetricsExtraParts(main_parts);
 718
 719   return main_parts;
 720 }
 721
 722 std::string ChromeContentBrowserClient::GetStoragePartitionIdForSite(
 723     content::BrowserContext* browser_context,
 724     const GURL& site) {
 725   std::string partition_id;
 726
 727   // The partition ID for webview guest processes is the string value of its
 728   // SiteInstance URL - "chrome-guest://app_id/persist?partition".
 729   if (site.SchemeIs(content::kGuestScheme)) {
 730     partition_id = site.spec();
 731   } else if (site.GetOrigin().spec() == kChromeUIChromeSigninURL &&
 732             !switches::IsEnableWebviewBasedSignin()) {
 733     // Chrome signin page has an embedded iframe of extension and web content,
 734     // thus it must be isolated from other webUI pages.
 735     partition_id = site.GetOrigin().spec();
 736   }
 737
 738   DCHECK(IsValidStoragePartitionId(browser_context, partition_id));
 739   return partition_id;
 740 }
 741
 742 bool ChromeContentBrowserClient::IsValidStoragePartitionId(
 743     content::BrowserContext* browser_context,
 744     const std::string& partition_id) {
 745   // The default ID is empty and is always valid.
 746   if (partition_id.empty())
 747     return true;
 748
 749   return GURL(partition_id).is_valid();
 750 }
 751
 752 void ChromeContentBrowserClient::GetStoragePartitionConfigForSite(
 753     content::BrowserContext* browser_context,
 754     const GURL& site,
 755     bool can_be_default,
 756     std::string* partition_domain,
 757     std::string* partition_name,
 758     bool* in_memory) {
 759   // Default to the browser-wide storage partition and override based on |site|
 760   // below.
 761   partition_domain->clear();
 762   partition_name->clear();
 763   *in_memory = false;
 764
 765   bool success = false;
 766 #if defined(ENABLE_EXTENSIONS)
 767   success = extensions::WebViewGuest::GetGuestPartitionConfigForSite(
 768       site, partition_domain, partition_name, in_memory);
 769
 770   if (!success && site.SchemeIs(extensions::kExtensionScheme)) {
 771     // If |can_be_default| is false, the caller is stating that the |site|
 772     // should be parsed as if it had isolated storage. In particular it is
 773     // important to NOT check ExtensionService for the is_storage_isolated()
 774     // attribute because this code path is run during Extension uninstall
 775     // to do cleanup after the Extension has already been unloaded from the
 776     // ExtensionService.
 777     bool is_isolated = !can_be_default;
 778     if (can_be_default) {
 779       if (extensions::util::SiteHasIsolatedStorage(site, browser_context))
 780         is_isolated = true;
 781     }
 782
 783     if (is_isolated) {
 784       CHECK(site.has_host());
 785       // For extensions with isolated storage, the the host of the |site| is
 786       // the |partition_domain|. The |in_memory| and |partition_name| are only
 787       // used in guest schemes so they are cleared here.
 788       *partition_domain = site.host();
 789       *in_memory = false;
 790       partition_name->clear();
 791     }
 792     success = true;
 793   }
 794 #endif
 795
 796   if (!success && (site.GetOrigin().spec() == kChromeUIChromeSigninURL) &&
 797       !switches::IsEnableWebviewBasedSignin()) {
 798     // Chrome signin page has an embedded iframe of extension and web content,
 799     // thus it must be isolated from other webUI pages.
 800     *partition_domain = chrome::kChromeUIChromeSigninHost;
 801   }
 802
 803   // Assert that if |can_be_default| is false, the code above must have found a
 804   // non-default partition.  If this fails, the caller has a serious logic
 805   // error about which StoragePartition they expect to be in and it is not
 806   // safe to continue.
 807   CHECK(can_be_default || !partition_domain->empty());
 808 }
 809
 810 content::WebContentsViewDelegate*
 811     ChromeContentBrowserClient::GetWebContentsViewDelegate(
 812         content::WebContents* web_contents) {
 813 #if defined(USE_ATHENA)
 814   return athena::CreateWebContentsViewDelegate(web_contents);
 815 #else
 816   return chrome::CreateWebContentsViewDelegate(web_contents);
 817 #endif
 818 }
 819
 820 void ChromeContentBrowserClient::RenderProcessWillLaunch(
 821     content::RenderProcessHost* host) {
 822   int id = host->GetID();
 823   Profile* profile = Profile::FromBrowserContext(host->GetBrowserContext());
 824   net::URLRequestContextGetter* context =
 825       profile->GetRequestContextForRenderProcess(id);
 826
 827   host->AddFilter(new ChromeRenderMessageFilter(id, profile));
 828   host->AddFilter(new cast::CastTransportHostFilter);
 829 #if defined(ENABLE_PRINTING)
 830   host->AddFilter(new printing::PrintingMessageFilter(id, profile));
 831 #endif
 832   host->AddFilter(new SearchProviderInstallStateMessageFilter(id, profile));
 833 #if defined(ENABLE_SPELLCHECK)
 834   host->AddFilter(new SpellCheckMessageFilter(id));
 835 #endif
 836 #if defined(OS_MACOSX)
 837   host->AddFilter(new SpellCheckMessageFilterMac(id));
 838 #endif
 839   host->AddFilter(new ChromeNetBenchmarkingMessageFilter(profile, context));
 840   host->AddFilter(new prerender::PrerenderMessageFilter(id, profile));
 841   host->AddFilter(new TtsMessageFilter(id, host->GetBrowserContext()));
 842 #if defined(ENABLE_WEBRTC)
 843   WebRtcLoggingHandlerHost* webrtc_logging_handler_host =
 844       new WebRtcLoggingHandlerHost(profile);
 845   host->SetWebRtcLogMessageCallback(base::Bind(
 846       &WebRtcLoggingHandlerHost::LogMessage, webrtc_logging_handler_host));
 847   host->AddFilter(webrtc_logging_handler_host);
 848   host->SetUserData(host, new base::UserDataAdapter<WebRtcLoggingHandlerHost>(
 849       webrtc_logging_handler_host));
 850 #endif
 851 #if !defined(DISABLE_NACL)
 852   host->AddFilter(new nacl::NaClHostMessageFilter(
 853       id, profile->IsOffTheRecord(),
 854       profile->GetPath(),
 855       context));
 856 #endif
 857 #if defined(OS_ANDROID)
 858   host->AddFilter(new cdm::CdmMessageFilterAndroid());
 859 #endif
 860   if (switches::IsEnableAccountConsistency())
 861     host->AddFilter(new PrincipalsMessageFilter(id));
 862
 863   host->Send(new ChromeViewMsg_SetIsIncognitoProcess(
 864       profile->IsOffTheRecord()));
 865
 866   for (size_t i = 0; i < extra_parts_.size(); ++i)
 867     extra_parts_[i]->RenderProcessWillLaunch(host);
 868
 869   RendererContentSettingRules rules;
 870   if (host->IsIsolatedGuest()) {
 871 #if defined(ENABLE_EXTENSIONS)
 872     GetGuestViewDefaultContentSettingRules(profile->IsOffTheRecord(), &rules);
 873 #else
 874     NOTREACHED();
 875 #endif
 876   } else {
 877     GetRendererContentSettingRules(
 878         profile->GetHostContentSettingsMap(), &rules);
 879   }
 880   host->Send(new ChromeViewMsg_SetContentSettingRules(rules));
 881 }
 882
 883 GURL ChromeContentBrowserClient::GetEffectiveURL(
 884     content::BrowserContext* browser_context, const GURL& url) {
 885   Profile* profile = Profile::FromBrowserContext(browser_context);
 886   if (!profile)
 887     return url;
 888
 889   // If the input |url| should be assigned to the Instant renderer, make its
 890   // effective URL distinct from other URLs on the search provider's domain.
 891   if (chrome::ShouldAssignURLToInstantRenderer(url, profile))
 892     return chrome::GetEffectiveURLForInstant(url, profile);
 893
 894 #if !defined(OS_CHROMEOS)
 895   // If the input |url| should be assigned to the Signin renderer, make its
 896   // effective URL distinct from other URLs on the signin service's domain.
 897   // Note that the signin renderer will be allowed to sign the user in to
 898   // Chrome.
 899   if (SigninManager::IsWebBasedSigninFlowURL(url))
 900     return GetEffectiveURLForSignin(url);
 901 #endif
 902
 903 #if defined(ENABLE_EXTENSIONS)
 904   return ChromeContentBrowserClientExtensionsPart::GetEffectiveURL(
 905       profile, url);
 906 #else
 907   return url;
 908 #endif
 909 }
 910
 911 bool ChromeContentBrowserClient::ShouldUseProcessPerSite(
 912     content::BrowserContext* browser_context, const GURL& effective_url) {
 913   // Non-extension, non-Instant URLs should generally use
 914   // process-per-site-instance.  Because we expect to use the effective URL,
 915   // URLs for hosted apps (apart from bookmark apps) should have an extension
 916   // scheme by now.
 917
 918   Profile* profile = Profile::FromBrowserContext(browser_context);
 919   if (!profile)
 920     return false;
 921
 922   if (chrome::ShouldUseProcessPerSiteForInstantURL(effective_url, profile))
 923     return true;
 924
 925 #if !defined(OS_CHROMEOS)
 926   if (SigninManager::IsWebBasedSigninFlowURL(effective_url))
 927     return true;
 928 #endif
 929
 930 #if defined(ENABLE_EXTENSIONS)
 931   return ChromeContentBrowserClientExtensionsPart::ShouldUseProcessPerSite(
 932       profile, effective_url);
 933 #else
 934   return false;
 935 #endif
 936 }
 937
 938 // These are treated as WebUI schemes but do not get WebUI bindings. Also,
 939 // view-source is allowed for these schemes.
 940 void ChromeContentBrowserClient::GetAdditionalWebUISchemes(
 941     std::vector<std::string>* additional_schemes) {
 942   additional_schemes->push_back(chrome::kChromeSearchScheme);
 943   additional_schemes->push_back(dom_distiller::kDomDistillerScheme);
 944 }
 945
 946 void ChromeContentBrowserClient::GetAdditionalWebUIHostsToIgnoreParititionCheck(
 947     std::vector<std::string>* hosts) {
 948   hosts->push_back(chrome::kChromeUIExtensionIconHost);
 949   hosts->push_back(chrome::kChromeUIFaviconHost);
 950   hosts->push_back(chrome::kChromeUIThemeHost);
 951   hosts->push_back(chrome::kChromeUIThumbnailHost);
 952   hosts->push_back(chrome::kChromeUIThumbnailHost2);
 953   hosts->push_back(chrome::kChromeUIThumbnailListHost);
 954 }
 955
 956 net::URLRequestContextGetter*
 957 ChromeContentBrowserClient::CreateRequestContext(
 958     content::BrowserContext* browser_context,
 959     content::ProtocolHandlerMap* protocol_handlers,
 960     content::URLRequestInterceptorScopedVector request_interceptors) {
 961   Profile* profile = Profile::FromBrowserContext(browser_context);
 962   return profile->CreateRequestContext(protocol_handlers,
 963                                        request_interceptors.Pass());
 964 }
 965
 966 net::URLRequestContextGetter*
 967 ChromeContentBrowserClient::CreateRequestContextForStoragePartition(
 968     content::BrowserContext* browser_context,
 969     const base::FilePath& partition_path,
 970     bool in_memory,
 971     content::ProtocolHandlerMap* protocol_handlers,
 972     content::URLRequestInterceptorScopedVector request_interceptors) {
 973   Profile* profile = Profile::FromBrowserContext(browser_context);
 974   return profile->CreateRequestContextForStoragePartition(
 975       partition_path,
 976       in_memory,
 977       protocol_handlers,
 978       request_interceptors.Pass());
 979 }
 980
 981 bool ChromeContentBrowserClient::IsHandledURL(const GURL& url) {
 982   return ProfileIOData::IsHandledURL(url);
 983 }
 984
 985 bool ChromeContentBrowserClient::CanCommitURL(
 986     content::RenderProcessHost* process_host,
 987     const GURL& url) {
 988 #if defined(ENABLE_EXTENSIONS)
 989   return ChromeContentBrowserClientExtensionsPart::CanCommitURL(
 990       process_host, url);
 991 #else
 992   return true;
 993 #endif
 994 }
 995
 996 bool ChromeContentBrowserClient::ShouldAllowOpenURL(
 997     content::SiteInstance* site_instance, const GURL& url) {
 998   GURL from_url = site_instance->GetSiteURL();
 999
1000 #if defined(ENABLE_EXTENSIONS)
1001   bool result;
1002   if (ChromeContentBrowserClientExtensionsPart::ShouldAllowOpenURL(
1003       site_instance, from_url, url, &result))
1004     return result;
1005 #endif
1006
1007   // Do not allow chrome://chrome-signin navigate to other chrome:// URLs, since
1008   // the signin page may host untrusted web content.
1009   if (from_url.GetOrigin().spec() == chrome::kChromeUIChromeSigninURL &&
1010       url.SchemeIs(content::kChromeUIScheme) &&
1011       url.host() != chrome::kChromeUIChromeSigninHost) {
1012     VLOG(1) << "Blocked navigation to " << url.spec() << " from "
1013             << chrome::kChromeUIChromeSigninURL;
1014     return false;
1015   }
1016
1017   return true;
1018 }
1019
1020 bool ChromeContentBrowserClient::IsSuitableHost(
1021     content::RenderProcessHost* process_host,
1022     const GURL& site_url) {
1023   Profile* profile =
1024       Profile::FromBrowserContext(process_host->GetBrowserContext());
1025   // This may be NULL during tests. In that case, just assume any site can
1026   // share any host.
1027   if (!profile)
1028     return true;
1029
1030   // Instant URLs should only be in the instant process and instant process
1031   // should only have Instant URLs.
1032   InstantService* instant_service =
1033       InstantServiceFactory::GetForProfile(profile);
1034   if (instant_service) {
1035     bool is_instant_process = instant_service->IsInstantProcess(
1036         process_host->GetID());
1037     bool should_be_in_instant_process =
1038         chrome::ShouldAssignURLToInstantRenderer(site_url, profile);
1039     if (is_instant_process || should_be_in_instant_process)
1040       return is_instant_process && should_be_in_instant_process;
1041   }
1042
1043 #if !defined(OS_CHROMEOS)
1044   SigninClient* signin_client =
1045       ChromeSigninClientFactory::GetForProfile(profile);
1046   if (signin_client && signin_client->IsSigninProcess(process_host->GetID()))
1047     return SigninManager::IsWebBasedSigninFlowURL(site_url);
1048 #endif
1049
1050 #if defined(ENABLE_EXTENSIONS)
1051   return ChromeContentBrowserClientExtensionsPart::IsSuitableHost(
1052       profile, process_host, site_url);
1053 #else
1054   return true;
1055 #endif
1056 }
1057
1058 bool ChromeContentBrowserClient::MayReuseHost(
1059     content::RenderProcessHost* process_host) {
1060   // If there is currently a prerender in progress for the host provided,
1061   // it may not be shared. We require prerenders to be by themselves in a
1062   // separate process, so that we can monitor their resource usage, and so that
1063   // we can track the cookies that they change.
1064   Profile* profile = Profile::FromBrowserContext(
1065       process_host->GetBrowserContext());
1066   prerender::PrerenderManager* prerender_manager =
1067       prerender::PrerenderManagerFactory::GetForProfile(profile);
1068   if (prerender_manager &&
1069       !prerender_manager->MayReuseProcessHost(process_host)) {
1070     return false;
1071   }
1072
1073   return true;
1074 }
1075
1076 bool ChromeContentBrowserClient::ShouldTryToUseExistingProcessHost(
1077     content::BrowserContext* browser_context, const GURL& url) {
1078   // It has to be a valid URL for us to check for an extension.
1079   if (!url.is_valid())
1080     return false;
1081
1082 #if defined(ENABLE_EXTENSIONS)
1083   Profile* profile = Profile::FromBrowserContext(browser_context);
1084   return ChromeContentBrowserClientExtensionsPart::
1085       ShouldTryToUseExistingProcessHost(
1086           profile, url);
1087 #else
1088   return false;
1089 #endif
1090 }
1091
1092 void ChromeContentBrowserClient::SiteInstanceGotProcess(
1093     SiteInstance* site_instance) {
1094   CHECK(site_instance->HasProcess());
1095
1096   Profile* profile = Profile::FromBrowserContext(
1097       site_instance->GetBrowserContext());
1098   if (!profile)
1099     return;
1100
1101   // Remember the ID of the Instant process to signal the renderer process
1102   // on startup in |AppendExtraCommandLineSwitches| below.
1103   if (chrome::ShouldAssignURLToInstantRenderer(
1104           site_instance->GetSiteURL(), profile)) {
1105     InstantService* instant_service =
1106         InstantServiceFactory::GetForProfile(profile);
1107     if (instant_service)
1108       instant_service->AddInstantProcess(site_instance->GetProcess()->GetID());
1109   }
1110
1111 #if !defined(OS_CHROMEOS)
1112   // We only expect there to be one signin process as we use process-per-site
1113   // for signin URLs. The signin process will be cleared from SigninManager
1114   // when the renderer is destroyed.
1115   if (SigninManager::IsWebBasedSigninFlowURL(site_instance->GetSiteURL())) {
1116     SigninClient* signin_client =
1117         ChromeSigninClientFactory::GetForProfile(profile);
1118     if (signin_client)
1119       signin_client->SetSigninProcess(site_instance->GetProcess()->GetID());
1120 #if defined(ENABLE_EXTENSIONS)
1121     ChromeContentBrowserClientExtensionsPart::SetSigninProcess(site_instance);
1122 #endif
1123   }
1124 #endif
1125
1126   for (size_t i = 0; i < extra_parts_.size(); ++i)
1127     extra_parts_[i]->SiteInstanceGotProcess(site_instance);
1128 }
1129
1130 void ChromeContentBrowserClient::SiteInstanceDeleting(
1131     SiteInstance* site_instance) {
1132   if (!site_instance->HasProcess())
1133     return;
1134
1135   for (size_t i = 0; i < extra_parts_.size(); ++i)
1136     extra_parts_[i]->SiteInstanceDeleting(site_instance);
1137 }
1138
1139 bool ChromeContentBrowserClient::ShouldSwapBrowsingInstancesForNavigation(
1140     SiteInstance* site_instance,
1141     const GURL& current_url,
1142     const GURL& new_url) {
1143 #if defined(ENABLE_EXTENSIONS)
1144   return ChromeContentBrowserClientExtensionsPart::
1145       ShouldSwapBrowsingInstancesForNavigation(
1146           site_instance, current_url, new_url);
1147 #else
1148   return false;
1149 #endif
1150 }
1151
1152 bool ChromeContentBrowserClient::ShouldSwapProcessesForRedirect(
1153     content::ResourceContext* resource_context, const GURL& current_url,
1154     const GURL& new_url) {
1155 #if defined(ENABLE_EXTENSIONS)
1156   return ChromeContentBrowserClientExtensionsPart::
1157       ShouldSwapProcessesForRedirect(resource_context, current_url, new_url);
1158 #else
1159   return false;
1160 #endif
1161 }
1162
1163 bool ChromeContentBrowserClient::ShouldAssignSiteForURL(const GURL& url) {
1164   return !url.SchemeIs(chrome::kChromeNativeScheme);
1165 }
1166
1167 std::string ChromeContentBrowserClient::GetCanonicalEncodingNameByAliasName(
1168     const std::string& alias_name) {
1169   return CharacterEncoding::GetCanonicalEncodingNameByAliasName(alias_name);
1170 }
1171
1172 namespace {
1173
1174 bool IsAutoReloadEnabled() {
1175   // Fetch the field trial, even though we don't use it. Calling FindFullName()
1176   // causes the field-trial mechanism to report which group we're in, which
1177   // might reflect a hard disable or hard enable via flag, both of which have
1178   // their own field trial groups. This lets us know what percentage of users
1179   // manually enable or disable auto-reload.
1180   std::string group = base::FieldTrialList::FindFullName(
1181       "AutoReloadExperiment");
1182   const CommandLine& browser_command_line = *CommandLine::ForCurrentProcess();
1183   if (browser_command_line.HasSwitch(switches::kEnableOfflineAutoReload))
1184     return true;
1185   if (browser_command_line.HasSwitch(switches::kDisableOfflineAutoReload))
1186     return false;
1187   return true;
1188 }
1189
1190 bool IsAutoReloadVisibleOnlyEnabled() {
1191   // See the block comment in IsAutoReloadEnabled().
1192   std::string group = base::FieldTrialList::FindFullName(
1193       "AutoReloadVisibleOnlyExperiment");
1194   const CommandLine& browser_command_line = *CommandLine::ForCurrentProcess();
1195   if (browser_command_line.HasSwitch(
1196       switches::kEnableOfflineAutoReloadVisibleOnly)) {
1197     return true;
1198   }
1199   if (browser_command_line.HasSwitch(
1200       switches::kDisableOfflineAutoReloadVisibleOnly)) {
1201     return false;
1202   }
1203   return true;
1204 }
1205
1206 }  // namespace
1207
1208 void ChromeContentBrowserClient::AppendExtraCommandLineSwitches(
1209     CommandLine* command_line, int child_process_id) {
1210 #if defined(OS_POSIX)
1211   if (breakpad::IsCrashReporterEnabled()) {
1212     scoped_ptr<metrics::ClientInfo> client_info =
1213         GoogleUpdateSettings::LoadMetricsClientInfo();
1214     command_line->AppendSwitchASCII(switches::kEnableCrashReporter,
1215                                     client_info ? client_info->client_id
1216                                                 : std::string());
1217   }
1218 #endif  // defined(OS_POSIX)
1219
1220   if (logging::DialogsAreSuppressed())
1221     command_line->AppendSwitch(switches::kNoErrorDialogs);
1222
1223   std::string process_type =
1224       command_line->GetSwitchValueASCII(switches::kProcessType);
1225   const CommandLine& browser_command_line = *CommandLine::ForCurrentProcess();
1226
1227   static const char* const kCommonSwitchNames[] = {
1228     switches::kUserAgent,
1229     switches::kUserDataDir,  // Make logs go to the right file.
1230   };
1231   command_line->CopySwitchesFrom(browser_command_line, kCommonSwitchNames,
1232                                  arraysize(kCommonSwitchNames));
1233
1234 #if defined(ENABLE_IPC_FUZZER)
1235   static const char* const kIpcFuzzerSwitches[] = {
1236     switches::kIpcFuzzerTestcase,
1237   };
1238   command_line->CopySwitchesFrom(browser_command_line, kIpcFuzzerSwitches,
1239                                  arraysize(kIpcFuzzerSwitches));
1240 #endif
1241
1242 #if defined(OS_CHROMEOS)
1243   // On Chrome OS need to pass primary user homedir (in multi-profiles session).
1244   base::FilePath homedir;
1245   PathService::Get(base::DIR_HOME, &homedir);
1246   command_line->AppendSwitchASCII(chromeos::switches::kHomedir,
1247                                   homedir.value().c_str());
1248 #endif
1249
1250   if (process_type == switches::kRendererProcess) {
1251     content::RenderProcessHost* process =
1252         content::RenderProcessHost::FromID(child_process_id);
1253     Profile* profile =
1254         process ? Profile::FromBrowserContext(process->GetBrowserContext())
1255                 : NULL;
1256     for (size_t i = 0; i < extra_parts_.size(); ++i) {
1257       extra_parts_[i]->AppendExtraRendererCommandLineSwitches(
1258           command_line, process, profile);
1259     }
1260
1261 #if defined(OS_CHROMEOS)
1262     const std::string& login_profile =
1263         browser_command_line.GetSwitchValueASCII(
1264             chromeos::switches::kLoginProfile);
1265     if (!login_profile.empty())
1266       command_line->AppendSwitchASCII(
1267           chromeos::switches::kLoginProfile, login_profile);
1268 #endif
1269
1270 #if defined(ENABLE_WEBRTC)
1271     MaybeCopyDisableWebRtcEncryptionSwitch(command_line,
1272                                            browser_command_line,
1273                                            VersionInfo::GetChannel());
1274 #endif
1275
1276     if (process) {
1277       PrefService* prefs = profile->GetPrefs();
1278       // Currently this pref is only registered if applied via a policy.
1279       if (prefs->HasPrefPath(prefs::kDisable3DAPIs) &&
1280           prefs->GetBoolean(prefs::kDisable3DAPIs)) {
1281         // Turn this policy into a command line switch.
1282         command_line->AppendSwitch(switches::kDisable3DAPIs);
1283       }
1284
1285       const base::ListValue* switches =
1286           prefs->GetList(prefs::kEnableDeprecatedWebPlatformFeatures);
1287       if (switches) {
1288         // Enable any deprecated features that have been re-enabled by policy.
1289         for (base::ListValue::const_iterator it = switches->begin();
1290              it != switches->end(); ++it) {
1291           std::string switch_to_enable;
1292           if ((*it)->GetAsString(&switch_to_enable))
1293             command_line->AppendSwitch(switch_to_enable);
1294         }
1295       }
1296
1297       // Disable client-side phishing detection in the renderer if it is
1298       // disabled in the Profile preferences or the browser process.
1299       if (!prefs->GetBoolean(prefs::kSafeBrowsingEnabled) ||
1300           !g_browser_process->safe_browsing_detection_service()) {
1301         command_line->AppendSwitch(
1302             switches::kDisableClientSidePhishingDetection);
1303       }
1304
1305       if (prefs->GetBoolean(prefs::kPrintPreviewDisabled))
1306         command_line->AppendSwitch(switches::kDisablePrintPreview);
1307
1308       InstantService* instant_service =
1309           InstantServiceFactory::GetForProfile(profile);
1310       if (instant_service &&
1311           instant_service->IsInstantProcess(process->GetID()))
1312         command_line->AppendSwitch(switches::kInstantProcess);
1313
1314 #if !defined(OS_CHROMEOS)
1315       SigninClient* signin_client =
1316           ChromeSigninClientFactory::GetForProfile(profile);
1317       if (signin_client && signin_client->IsSigninProcess(process->GetID()))
1318         command_line->AppendSwitch(switches::kSigninProcess);
1319 #endif
1320     }
1321
1322     if (IsAutoReloadEnabled())
1323       command_line->AppendSwitch(switches::kEnableOfflineAutoReload);
1324     if (IsAutoReloadVisibleOnlyEnabled()) {
1325       command_line->AppendSwitch(
1326           switches::kEnableOfflineAutoReloadVisibleOnly);
1327     }
1328
1329     {
1330       // Enable load stale cache if this session is in the field trial or
1331       // the user explicitly enabled it.  Note that as far as the renderer
1332       // is concerned, the feature is enabled if-and-only-if the
1333       // kEnableOfflineLoadStaleCache flag is on the command line;
1334       // the yes/no/default behavior is only at the browser command line
1335       // level.
1336
1337       // Command line switches override
1338       if (browser_command_line.HasSwitch(
1339               switches::kEnableOfflineLoadStaleCache)) {
1340         command_line->AppendSwitch(switches::kEnableOfflineLoadStaleCache);
1341       } else if (!browser_command_line.HasSwitch(
1342           switches::kDisableOfflineLoadStaleCache)) {
1343         std::string group =
1344             base::FieldTrialList::FindFullName("LoadStaleCacheExperiment");
1345
1346         if (group == "Enabled")
1347           command_line->AppendSwitch(switches::kEnableOfflineLoadStaleCache);
1348       }
1349     }
1350
1351     // Please keep this in alphabetical order.
1352     static const char* const kSwitchNames[] = {
1353       autofill::switches::kDisablePasswordGeneration,
1354       autofill::switches::kEnablePasswordGeneration,
1355       autofill::switches::kEnableSingleClickAutofill,
1356       autofill::switches::kIgnoreAutocompleteOffForAutofill,
1357       autofill::switches::kLocalHeuristicsOnlyForPasswordGeneration,
1358       autofill::switches::kRespectAutocompleteOffForAutofill,
1359 #if defined(ENABLE_EXTENSIONS)
1360       extensions::switches::kAllowHTTPBackgroundPage,
1361       extensions::switches::kAllowLegacyExtensionManifests,
1362       extensions::switches::kEnableAppWindowControls,
1363       extensions::switches::kEnableEmbeddedExtensionOptions,
1364       extensions::switches::kEnableExperimentalExtensionApis,
1365       extensions::switches::kEnableScriptsRequireAction,
1366       extensions::switches::kExtensionsOnChromeURLs,
1367       extensions::switches::kWhitelistedExtensionID,
1368 #endif
1369       switches::kAppsCheckoutURL,
1370       switches::kAppsGalleryURL,
1371       switches::kCloudPrintURL,
1372       switches::kCloudPrintXmppEndpoint,
1373       switches::kDisableBundledPpapiFlash,
1374       switches::kDisableCastStreamingHWEncoding,
1375       switches::kDisableJavaScriptHarmonyShipping,
1376       switches::kDisableOutOfProcessPdf,
1377       switches::kEnableBenchmarking,
1378       switches::kEnableNaCl,
1379 #if !defined(DISABLE_NACL)
1380       switches::kEnableNaClDebug,
1381       switches::kEnableNaClNonSfiMode,
1382 #endif
1383       switches::kEnableNetBenchmarking,
1384       switches::kEnableOutOfProcessPdf,
1385       switches::kEnablePluginPlaceholderShadowDom,
1386       switches::kEnableShowModalDialog,
1387       switches::kEnableStreamlinedHostedApps,
1388       switches::kEnableWebBasedSignin,
1389       switches::kJavaScriptHarmony,
1390       switches::kMessageLoopHistogrammer,
1391       switches::kPlaybackMode,
1392       switches::kPpapiFlashArgs,
1393       switches::kPpapiFlashPath,
1394       switches::kPpapiFlashVersion,
1395       switches::kProfilingAtStart,
1396       switches::kProfilingFile,
1397       switches::kProfilingFlush,
1398       switches::kRecordMode,
1399       translate::switches::kTranslateSecurityOrigin,
1400     };
1401
1402     command_line->CopySwitchesFrom(browser_command_line, kSwitchNames,
1403                                    arraysize(kSwitchNames));
1404   } else if (process_type == switches::kUtilityProcess) {
1405 #if defined(ENABLE_EXTENSIONS)
1406     static const char* const kSwitchNames[] = {
1407       extensions::switches::kAllowHTTPBackgroundPage,
1408       extensions::switches::kEnableExperimentalExtensionApis,
1409       extensions::switches::kExtensionsOnChromeURLs,
1410       extensions::switches::kWhitelistedExtensionID,
1411     };
1412
1413     command_line->CopySwitchesFrom(browser_command_line, kSwitchNames,
1414                                    arraysize(kSwitchNames));
1415 #endif
1416   } else if (process_type == switches::kPluginProcess) {
1417 #if defined(OS_CHROMEOS)
1418     static const char* const kSwitchNames[] = {
1419       chromeos::switches::kLoginProfile,
1420     };
1421
1422     command_line->CopySwitchesFrom(browser_command_line, kSwitchNames,
1423                                    arraysize(kSwitchNames));
1424 #endif
1425   } else if (process_type == switches::kZygoteProcess) {
1426     static const char* const kSwitchNames[] = {
1427       // Load (in-process) Pepper plugins in-process in the zygote pre-sandbox.
1428       switches::kDisableBundledPpapiFlash,
1429 #if !defined(DISABLE_NACL)
1430       switches::kEnableNaClDebug,
1431       switches::kEnableNaClNonSfiMode,
1432       switches::kNaClDangerousNoSandboxNonSfi,
1433       switches::kUseNaClHelperNonSfi,
1434 #endif
1435       switches::kPpapiFlashPath,
1436       switches::kPpapiFlashVersion,
1437     };
1438
1439     command_line->CopySwitchesFrom(browser_command_line, kSwitchNames,
1440                                    arraysize(kSwitchNames));
1441   } else if (process_type == switches::kGpuProcess) {
1442     // If --ignore-gpu-blacklist is passed in, don't send in crash reports
1443     // because GPU is expected to be unreliable.
1444     if (browser_command_line.HasSwitch(switches::kIgnoreGpuBlacklist) &&
1445         !command_line->HasSwitch(switches::kDisableBreakpad))
1446       command_line->AppendSwitch(switches::kDisableBreakpad);
1447   }
1448
1449   // The command line switch kEnableBenchmarking needs to be specified along
1450   // with the kEnableStatsTable switch to ensure that the stats table global
1451   // is initialized correctly.
1452   if (command_line->HasSwitch(switches::kEnableBenchmarking))
1453     DCHECK(command_line->HasSwitch(switches::kEnableStatsTable));
1454 }
1455
1456 std::string ChromeContentBrowserClient::GetApplicationLocale() {
1457   if (BrowserThread::CurrentlyOn(BrowserThread::IO))
1458     return g_io_thread_application_locale.Get();
1459   return g_browser_process->GetApplicationLocale();
1460 }
1461
1462 std::string ChromeContentBrowserClient::GetAcceptLangs(
1463     content::BrowserContext* context) {
1464   Profile* profile = Profile::FromBrowserContext(context);
1465   return profile->GetPrefs()->GetString(prefs::kAcceptLanguages);
1466 }
1467
1468 const gfx::ImageSkia* ChromeContentBrowserClient::GetDefaultFavicon() {
1469   ResourceBundle& rb = ResourceBundle::GetSharedInstance();
1470   return rb.GetNativeImageNamed(IDR_DEFAULT_FAVICON).ToImageSkia();
1471 }
1472
1473 bool ChromeContentBrowserClient::AllowAppCache(
1474     const GURL& manifest_url,
1475     const GURL& first_party,
1476     content::ResourceContext* context) {
1477   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
1478   ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
1479   return io_data->GetCookieSettings()->
1480       IsSettingCookieAllowed(manifest_url, first_party);
1481 }
1482
1483 bool ChromeContentBrowserClient::AllowServiceWorker(
1484     const GURL& scope,
1485     const GURL& first_party_url,
1486     content::ResourceContext* context) {
1487   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
1488   ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
1489   return io_data->GetCookieSettings()->
1490       IsSettingCookieAllowed(scope, first_party_url);
1491 }
1492
1493 bool ChromeContentBrowserClient::AllowGetCookie(
1494     const GURL& url,
1495     const GURL& first_party,
1496     const net::CookieList& cookie_list,
1497     content::ResourceContext* context,
1498     int render_process_id,
1499     int render_frame_id) {
1500   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
1501   ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
1502   bool allow = io_data->GetCookieSettings()->
1503       IsReadingCookieAllowed(url, first_party);
1504
1505   BrowserThread::PostTask(
1506       BrowserThread::UI, FROM_HERE,
1507       base::Bind(&TabSpecificContentSettings::CookiesRead, render_process_id,
1508                  render_frame_id, url, first_party, cookie_list, !allow, true));
1509   return allow;
1510 }
1511
1512 bool ChromeContentBrowserClient::AllowSetCookie(
1513     const GURL& url,
1514     const GURL& first_party,
1515     const std::string& cookie_line,
1516     content::ResourceContext* context,
1517     int render_process_id,
1518     int render_frame_id,
1519     net::CookieOptions* options) {
1520   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
1521   ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
1522   CookieSettings* cookie_settings = io_data->GetCookieSettings();
1523   bool allow = cookie_settings->IsSettingCookieAllowed(url, first_party);
1524
1525   if (prerender_tracker_) {
1526     prerender_tracker_->OnCookieChangedForURL(
1527         render_process_id,
1528         context->GetRequestContext()->cookie_store()->GetCookieMonster(),
1529         url);
1530   }
1531
1532   BrowserThread::PostTask(
1533       BrowserThread::UI, FROM_HERE,
1534       base::Bind(&TabSpecificContentSettings::CookieChanged, render_process_id,
1535                  render_frame_id, url, first_party, cookie_line, *options,
1536                  !allow));
1537   return allow;
1538 }
1539
1540 bool ChromeContentBrowserClient::AllowSaveLocalState(
1541     content::ResourceContext* context) {
1542   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
1543   ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
1544   CookieSettings* cookie_settings = io_data->GetCookieSettings();
1545   ContentSetting setting = cookie_settings->GetDefaultCookieSetting(NULL);
1546
1547   // TODO(bauerb): Should we also disallow local state if the default is BLOCK?
1548   // Could we even support per-origin settings?
1549   return setting != CONTENT_SETTING_SESSION_ONLY;
1550 }
1551
1552 bool ChromeContentBrowserClient::AllowWorkerDatabase(
1553     const GURL& url,
1554     const base::string16& name,
1555     const base::string16& display_name,
1556     unsigned long estimated_size,
1557     content::ResourceContext* context,
1558     const std::vector<std::pair<int, int> >& render_frames) {
1559   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
1560   ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
1561   CookieSettings* cookie_settings = io_data->GetCookieSettings();
1562   bool allow = cookie_settings->IsSettingCookieAllowed(url, url);
1563
1564   // Record access to database for potential display in UI.
1565   std::vector<std::pair<int, int> >::const_iterator i;
1566   for (i = render_frames.begin(); i != render_frames.end(); ++i) {
1567     BrowserThread::PostTask(
1568         BrowserThread::UI, FROM_HERE,
1569         base::Bind(&TabSpecificContentSettings::WebDatabaseAccessed,
1570                    i->first, i->second, url, name, display_name, !allow));
1571   }
1572
1573   return allow;
1574 }
1575
1576 void ChromeContentBrowserClient::AllowWorkerFileSystem(
1577     const GURL& url,
1578     content::ResourceContext* context,
1579     const std::vector<std::pair<int, int> >& render_frames,
1580     base::Callback<void(bool)> callback) {
1581   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
1582   ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
1583   CookieSettings* cookie_settings = io_data->GetCookieSettings();
1584   bool allow = cookie_settings->IsSettingCookieAllowed(url, url);
1585
1586 #if defined(ENABLE_EXTENSIONS)
1587   GuestPermissionRequestHelper(url, render_frames, callback, allow);
1588 #else
1589   FileSystemAccessed(url, render_frames, callback, allow);
1590 #endif
1591 }
1592
1593 #if defined(ENABLE_EXTENSIONS)
1594 void ChromeContentBrowserClient::GuestPermissionRequestHelper(
1595     const GURL& url,
1596     const std::vector<std::pair<int, int> >& render_frames,
1597     base::Callback<void(bool)> callback,
1598     bool allow) {
1599   DCHECK(BrowserThread:: CurrentlyOn(BrowserThread::IO));
1600   std::vector<std::pair<int, int> >::const_iterator i;
1601   std::map<int, int> process_map;
1602   std::map<int, int>::const_iterator it;
1603   bool has_web_view_guest = false;
1604   // Record access to file system for potential display in UI.
1605   for (i = render_frames.begin(); i != render_frames.end(); ++i) {
1606     if (process_map.find(i->first) != process_map.end())
1607       continue;
1608
1609     process_map.insert(std::pair<int, int>(i->first, i->second));
1610
1611     if (extensions::WebViewRendererState::GetInstance()->IsGuest(i->first))
1612       has_web_view_guest = true;
1613   }
1614   if (!has_web_view_guest) {
1615     FileSystemAccessed(url, render_frames, callback, allow);
1616     return;
1617   }
1618   DCHECK_EQ(1U, process_map.size());
1619   it = process_map.begin();
1620   BrowserThread::PostTask(
1621       BrowserThread::UI,
1622       FROM_HERE,
1623       base::Bind(&ChromeContentBrowserClient::
1624                   RequestFileSystemPermissionOnUIThread,
1625                   it->first,
1626                   it->second,
1627                   url,
1628                   allow,
1629                   base::Bind(&ChromeContentBrowserClient::FileSystemAccessed,
1630                             weak_factory_.GetWeakPtr(),
1631                             url,
1632                             render_frames,
1633                             callback)));
1634 }
1635
1636 void ChromeContentBrowserClient::RequestFileSystemPermissionOnUIThread(
1637     int render_process_id,
1638     int render_frame_id,
1639     const GURL& url,
1640     bool allowed_by_default,
1641     const base::Callback<void(bool)>& callback) {
1642   DCHECK(BrowserThread:: CurrentlyOn(BrowserThread::UI));
1643   extensions::WebViewPermissionHelper* web_view_permission_helper =
1644       extensions::WebViewPermissionHelper::FromFrameID(
1645           render_process_id, render_frame_id);
1646   web_view_permission_helper->RequestFileSystemPermission(url,
1647                                                           allowed_by_default,
1648                                                           callback);
1649 }
1650 #endif
1651
1652 void ChromeContentBrowserClient::FileSystemAccessed(
1653     const GURL& url,
1654     const std::vector<std::pair<int, int> >& render_frames,
1655     base::Callback<void(bool)> callback,
1656     bool allow) {
1657   // Record access to file system for potential display in UI.
1658   std::vector<std::pair<int, int> >::const_iterator i;
1659   for (i = render_frames.begin(); i != render_frames.end(); ++i) {
1660     BrowserThread::PostTask(
1661         BrowserThread::UI,
1662         FROM_HERE,
1663         base::Bind(&TabSpecificContentSettings::FileSystemAccessed,
1664                    i->first, i->second, url, !allow));
1665   }
1666   callback.Run(allow);
1667 }
1668
1669 bool ChromeContentBrowserClient::AllowWorkerIndexedDB(
1670     const GURL& url,
1671     const base::string16& name,
1672     content::ResourceContext* context,
1673     const std::vector<std::pair<int, int> >& render_frames) {
1674   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
1675   ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
1676   CookieSettings* cookie_settings = io_data->GetCookieSettings();
1677   bool allow = cookie_settings->IsSettingCookieAllowed(url, url);
1678
1679   // Record access to IndexedDB for potential display in UI.
1680   std::vector<std::pair<int, int> >::const_iterator i;
1681   for (i = render_frames.begin(); i != render_frames.end(); ++i) {
1682     BrowserThread::PostTask(
1683         BrowserThread::UI, FROM_HERE,
1684         base::Bind(&TabSpecificContentSettings::IndexedDBAccessed,
1685                    i->first, i->second, url, name, !allow));
1686   }
1687
1688   return allow;
1689 }
1690
1691 net::URLRequestContext*
1692 ChromeContentBrowserClient::OverrideRequestContextForURL(
1693     const GURL& url, content::ResourceContext* context) {
1694   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
1695 #if defined(ENABLE_EXTENSIONS)
1696   if (url.SchemeIs(extensions::kExtensionScheme)) {
1697     ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
1698     return io_data->extensions_request_context();
1699   }
1700 #endif
1701
1702   return NULL;
1703 }
1704
1705 QuotaPermissionContext*
1706 ChromeContentBrowserClient::CreateQuotaPermissionContext() {
1707   return new ChromeQuotaPermissionContext();
1708 }
1709
1710 void ChromeContentBrowserClient::AllowCertificateError(
1711     int render_process_id,
1712     int render_frame_id,
1713     int cert_error,
1714     const net::SSLInfo& ssl_info,
1715     const GURL& request_url,
1716     ResourceType resource_type,
1717     bool overridable,
1718     bool strict_enforcement,
1719     bool expired_previous_decision,
1720     const base::Callback<void(bool)>& callback,
1721     content::CertificateRequestResultType* result) {
1722   if (resource_type != content::RESOURCE_TYPE_MAIN_FRAME) {
1723     // A sub-resource has a certificate error.  The user doesn't really
1724     // have a context for making the right decision, so block the
1725     // request hard, without an info bar to allow showing the insecure
1726     // content.
1727     *result = content::CERTIFICATE_REQUEST_RESULT_TYPE_DENY;
1728     return;
1729   }
1730
1731   // If the tab is being prerendered, cancel the prerender and the request.
1732   content::RenderFrameHost* render_frame_host =
1733       content::RenderFrameHost::FromID(render_process_id, render_frame_id);
1734   WebContents* tab = WebContents::FromRenderFrameHost(render_frame_host);
1735   if (!tab) {
1736     NOTREACHED();
1737     return;
1738   }
1739
1740   prerender::PrerenderContents* prerender_contents =
1741       prerender::PrerenderContents::FromWebContents(tab);
1742   if (prerender_contents) {
1743     prerender_contents->Destroy(prerender::FINAL_STATUS_SSL_ERROR);
1744     *result = content::CERTIFICATE_REQUEST_RESULT_TYPE_CANCEL;
1745     return;
1746   }
1747
1748 #if defined(ENABLE_CAPTIVE_PORTAL_DETECTION)
1749   CaptivePortalTabHelper* captive_portal_tab_helper =
1750       CaptivePortalTabHelper::FromWebContents(tab);
1751   if (captive_portal_tab_helper)
1752     captive_portal_tab_helper->OnSSLCertError(ssl_info);
1753 #endif
1754
1755   // Otherwise, display an SSL blocking page. The interstitial page takes
1756   // ownership of ssl_blocking_page.
1757   int options_mask = 0;
1758   if (overridable)
1759     options_mask |= SSLBlockingPage::OVERRIDABLE;
1760   if (strict_enforcement)
1761     options_mask |= SSLBlockingPage::STRICT_ENFORCEMENT;
1762   if (expired_previous_decision)
1763     options_mask |= SSLBlockingPage::EXPIRED_BUT_PREVIOUSLY_ALLOWED;
1764   SSLBlockingPage* ssl_blocking_page = new SSLBlockingPage(
1765       tab, cert_error, ssl_info, request_url, options_mask, callback);
1766   ssl_blocking_page->Show();
1767 }
1768
1769 void ChromeContentBrowserClient::SelectClientCertificate(
1770     int render_process_id,
1771     int render_frame_id,
1772     net::SSLCertRequestInfo* cert_request_info,
1773     const base::Callback<void(net::X509Certificate*)>& callback) {
1774   content::RenderFrameHost* rfh = content::RenderFrameHost::FromID(
1775       render_process_id, render_frame_id);
1776   WebContents* tab = WebContents::FromRenderFrameHost(rfh);
1777   if (!tab) {
1778     NOTREACHED();
1779     return;
1780   }
1781
1782   prerender::PrerenderContents* prerender_contents =
1783       prerender::PrerenderContents::FromWebContents(tab);
1784   if (prerender_contents) {
1785     prerender_contents->Destroy(
1786         prerender::FINAL_STATUS_SSL_CLIENT_CERTIFICATE_REQUESTED);
1787     return;
1788   }
1789
1790   GURL requesting_url("https://" + cert_request_info->host_and_port.ToString());
1791   DCHECK(requesting_url.is_valid())
1792       << "Invalid URL string: https://"
1793       << cert_request_info->host_and_port.ToString();
1794
1795   Profile* profile = Profile::FromBrowserContext(tab->GetBrowserContext());
1796   scoped_ptr<base::Value> filter =
1797       profile->GetHostContentSettingsMap()->GetWebsiteSetting(
1798           requesting_url,
1799           requesting_url,
1800           CONTENT_SETTINGS_TYPE_AUTO_SELECT_CERTIFICATE,
1801           std::string(),
1802           NULL);
1803
1804   if (filter.get()) {
1805     // Try to automatically select a client certificate.
1806     if (filter->IsType(base::Value::TYPE_DICTIONARY)) {
1807       base::DictionaryValue* filter_dict =
1808           static_cast<base::DictionaryValue*>(filter.get());
1809
1810       const std::vector<scoped_refptr<net::X509Certificate> >&
1811           all_client_certs = cert_request_info->client_certs;
1812       for (size_t i = 0; i < all_client_certs.size(); ++i) {
1813         if (CertMatchesFilter(*all_client_certs[i].get(), *filter_dict)) {
1814           // Use the first certificate that is matched by the filter.
1815           callback.Run(all_client_certs[i].get());
1816           return;
1817         }
1818       }
1819     } else {
1820       NOTREACHED();
1821     }
1822   }
1823
1824   chrome::ShowSSLClientCertificateSelector(tab, cert_request_info, callback);
1825 }
1826
1827 void ChromeContentBrowserClient::AddCertificate(
1828     net::CertificateMimeType cert_type,
1829     const void* cert_data,
1830     size_t cert_size,
1831     int render_process_id,
1832     int render_frame_id) {
1833   chrome::SSLAddCertificate(cert_type, cert_data, cert_size,
1834                             render_process_id, render_frame_id);
1835 }
1836
1837 content::MediaObserver* ChromeContentBrowserClient::GetMediaObserver() {
1838   return MediaCaptureDevicesDispatcher::GetInstance();
1839 }
1840
1841 blink::WebNotificationPermission
1842 ChromeContentBrowserClient::CheckDesktopNotificationPermission(
1843     const GURL& source_origin,
1844     content::ResourceContext* context,
1845     int render_process_id) {
1846 #if defined(ENABLE_NOTIFICATIONS)
1847   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
1848
1849   ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
1850 #if defined(ENABLE_EXTENSIONS)
1851   InfoMap* extension_info_map = io_data->GetExtensionInfoMap();
1852
1853   // We want to see if there is an extension that hasn't been manually disabled
1854   // that has the notifications permission and applies to this security origin.
1855   // First, get the list of extensions with permission for the origin.
1856   extensions::ExtensionSet extensions;
1857   extension_info_map->GetExtensionsWithAPIPermissionForSecurityOrigin(
1858       source_origin,
1859       render_process_id,
1860       extensions::APIPermission::kNotifications,
1861       &extensions);
1862   for (extensions::ExtensionSet::const_iterator iter = extensions.begin();
1863        iter != extensions.end(); ++iter) {
1864     // Then, check to see if it's been disabled by the user.
1865     if (!extension_info_map->AreNotificationsDisabled((*iter)->id()))
1866       return blink::WebNotificationPermissionAllowed;
1867   }
1868 #endif
1869
1870   // No enabled extensions exist, so check the normal host content settings.
1871   HostContentSettingsMap* host_content_settings_map =
1872       io_data->GetHostContentSettingsMap();
1873   ContentSetting setting = host_content_settings_map->GetContentSetting(
1874       source_origin,
1875       source_origin,
1876       CONTENT_SETTINGS_TYPE_NOTIFICATIONS,
1877       NO_RESOURCE_IDENTIFIER);
1878
1879   if (setting == CONTENT_SETTING_ALLOW)
1880     return blink::WebNotificationPermissionAllowed;
1881   if (setting == CONTENT_SETTING_BLOCK)
1882     return blink::WebNotificationPermissionDenied;
1883   return blink::WebNotificationPermissionDefault;
1884 #else
1885   return blink::WebNotificationPermissionAllowed;
1886 #endif
1887 }
1888
1889 void ChromeContentBrowserClient::ShowDesktopNotification(
1890     const content::ShowDesktopNotificationHostMsgParams& params,
1891     content::BrowserContext* browser_context,
1892     int render_process_id,
1893     scoped_ptr<content::DesktopNotificationDelegate> delegate,
1894     base::Closure* cancel_callback) {
1895 #if defined(ENABLE_NOTIFICATIONS)
1896   Profile* profile = Profile::FromBrowserContext(browser_context);
1897   DCHECK(profile);
1898
1899   DesktopNotificationService* service =
1900       DesktopNotificationServiceFactory::GetForProfile(profile);
1901   DCHECK(service);
1902
1903   service->ShowDesktopNotification(
1904       params, render_process_id, delegate.Pass(), cancel_callback);
1905   profile->GetHostContentSettingsMap()->UpdateLastUsage(
1906       params.origin, params.origin, CONTENT_SETTINGS_TYPE_NOTIFICATIONS);
1907 #else
1908   NOTIMPLEMENTED();
1909 #endif
1910 }
1911
1912 void ChromeContentBrowserClient::RequestPermission(
1913     content::PermissionType permission,
1914     content::WebContents* web_contents,
1915     int bridge_id,
1916     const GURL& requesting_frame,
1917     bool user_gesture,
1918     const base::Callback<void(bool)>& result_callback) {
1919   int render_process_id = web_contents->GetRenderProcessHost()->GetID();
1920   int render_view_id = web_contents->GetRenderViewHost()->GetRoutingID();
1921   Profile* profile =
1922       Profile::FromBrowserContext(web_contents->GetBrowserContext());
1923
1924   const PermissionRequestID request_id(render_process_id,
1925                                        render_view_id,
1926                                        bridge_id,
1927                                        requesting_frame);
1928
1929   switch (permission) {
1930     case content::PERMISSION_MIDI_SYSEX:
1931       MidiPermissionContextFactory::GetForProfile(profile)
1932           ->RequestPermission(web_contents,
1933                               request_id,
1934                               requesting_frame,
1935                               user_gesture,
1936                               result_callback);
1937       break;
1938     case content::PERMISSION_NOTIFICATIONS:
1939 #if defined(ENABLE_NOTIFICATIONS)
1940       DesktopNotificationServiceFactory::GetForProfile(profile)
1941           ->RequestNotificationPermission(web_contents,
1942                                           request_id,
1943                                           requesting_frame,
1944                                           user_gesture,
1945                                           result_callback);
1946 #else
1947       NOTIMPLEMENTED();
1948 #endif
1949       break;
1950     case content::PERMISSION_GEOLOCATION:
1951       GeolocationPermissionContextFactory::GetForProfile(profile)
1952           ->RequestPermission(web_contents,
1953                               request_id,
1954                               requesting_frame.GetOrigin(),
1955                               user_gesture,
1956                               result_callback);
1957       break;
1958     case content::PERMISSION_PROTECTED_MEDIA:
1959 #if defined(OS_ANDROID)
1960       ProtectedMediaIdentifierPermissionContextFactory::GetForProfile(profile)
1961           ->RequestProtectedMediaIdentifierPermission(
1962               web_contents, requesting_frame, result_callback);
1963 #else
1964       NOTIMPLEMENTED();
1965 #endif
1966       break;
1967     case content::PERMISSION_PUSH_MESSAGING:
1968       gcm::PushMessagingPermissionContextFactory::GetForProfile(profile)
1969           ->RequestPermission(web_contents,
1970                               request_id,
1971                               requesting_frame.GetOrigin(),
1972                               user_gesture,
1973                               result_callback);
1974       break;
1975     case content::PERMISSION_NUM:
1976       NOTREACHED() << "Invalid RequestPermission for " << permission;
1977       break;
1978   }
1979 }
1980
1981 void ChromeContentBrowserClient::CancelPermissionRequest(
1982     content::PermissionType permission,
1983     content::WebContents* web_contents,
1984     int bridge_id,
1985     const GURL& requesting_frame) {
1986   int render_process_id = web_contents->GetRenderProcessHost()->GetID();
1987   int render_view_id = web_contents->GetRenderViewHost()->GetRoutingID();
1988
1989   const PermissionRequestID request_id(render_process_id,
1990                                        render_view_id,
1991                                        bridge_id,
1992                                        requesting_frame);
1993   Profile* profile =
1994       Profile::FromBrowserContext(web_contents->GetBrowserContext());
1995   switch (permission) {
1996     case content::PERMISSION_MIDI_SYSEX:
1997       MidiPermissionContextFactory::GetForProfile(profile)
1998           ->CancelPermissionRequest(web_contents, request_id);
1999       break;
2000     case content::PERMISSION_NOTIFICATIONS:
2001 #if defined(ENABLE_NOTIFICATIONS)
2002       DesktopNotificationServiceFactory::GetForProfile(profile)
2003           ->CancelPermissionRequest(web_contents, request_id);
2004 #else
2005       NOTIMPLEMENTED();
2006 #endif
2007       break;
2008     case content::PERMISSION_GEOLOCATION:
2009       GeolocationPermissionContextFactory::GetForProfile(profile)
2010           ->CancelPermissionRequest(web_contents, request_id);
2011       break;
2012     case content::PERMISSION_PROTECTED_MEDIA:
2013 #if defined(OS_ANDROID)
2014       ProtectedMediaIdentifierPermissionContextFactory::GetForProfile(profile)
2015           ->CancelProtectedMediaIdentifierPermissionRequests(
2016               render_process_id, render_view_id, requesting_frame);
2017 #else
2018       NOTIMPLEMENTED();
2019 #endif
2020       break;
2021     case content::PERMISSION_PUSH_MESSAGING:
2022       NOTIMPLEMENTED() << "CancelPermission not implemented for " << permission;
2023       break;
2024     case content::PERMISSION_NUM:
2025       NOTREACHED() << "Invalid CancelPermission for " << permission;
2026       break;
2027   }
2028 }
2029
2030 // Helper method to translate from Permissions to ContentSettings
2031 static ContentSettingsType PermissionToContentSetting(
2032     content::PermissionType permission) {
2033   switch (permission) {
2034     case content::PERMISSION_MIDI_SYSEX:
2035       return CONTENT_SETTINGS_TYPE_MIDI_SYSEX;
2036     case content::PERMISSION_PUSH_MESSAGING:
2037       return CONTENT_SETTINGS_TYPE_PUSH_MESSAGING;
2038     case content::PERMISSION_NOTIFICATIONS:
2039       return CONTENT_SETTINGS_TYPE_NOTIFICATIONS;
2040     case content::PERMISSION_GEOLOCATION:
2041       return CONTENT_SETTINGS_TYPE_GEOLOCATION;
2042 #if defined(OS_ANDROID)
2043     case content::PERMISSION_PROTECTED_MEDIA:
2044       return CONTENT_SETTINGS_TYPE_PROTECTED_MEDIA_IDENTIFIER;
2045 #endif
2046     default:
2047       NOTREACHED() << "Unknown content setting for permission " << permission;
2048       return CONTENT_SETTINGS_TYPE_DEFAULT;
2049   }
2050 }
2051
2052 void ChromeContentBrowserClient::RegisterPermissionUsage(
2053     content::PermissionType permission,
2054     content::WebContents* web_contents,
2055     const GURL& frame_url,
2056     const GURL& main_frame_url) {
2057   Profile::FromBrowserContext(web_contents->GetBrowserContext())
2058       ->GetHostContentSettingsMap()
2059       ->UpdateLastUsage(
2060           frame_url, main_frame_url, PermissionToContentSetting(permission));
2061 }
2062
2063 bool ChromeContentBrowserClient::CanCreateWindow(
2064     const GURL& opener_url,
2065     const GURL& opener_top_level_frame_url,
2066     const GURL& source_origin,
2067     WindowContainerType container_type,
2068     const GURL& target_url,
2069     const content::Referrer& referrer,
2070     WindowOpenDisposition disposition,
2071     const WebWindowFeatures& features,
2072     bool user_gesture,
2073     bool opener_suppressed,
2074     content::ResourceContext* context,
2075     int render_process_id,
2076     int opener_id,
2077     bool* no_javascript_access) {
2078   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
2079
2080   *no_javascript_access = false;
2081
2082   // If the opener is trying to create a background window but doesn't have
2083   // the appropriate permission, fail the attempt.
2084   if (container_type == WINDOW_CONTAINER_TYPE_BACKGROUND) {
2085 #if defined(ENABLE_EXTENSIONS)
2086     ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
2087     InfoMap* map = io_data->GetExtensionInfoMap();
2088     if (!map->SecurityOriginHasAPIPermission(
2089             source_origin,
2090             render_process_id,
2091             APIPermission::kBackground)) {
2092       return false;
2093     }
2094
2095     // Note: this use of GetExtensionOrAppByURL is safe but imperfect.  It may
2096     // return a recently installed Extension even if this CanCreateWindow call
2097     // was made by an old copy of the page in a normal web process.  That's ok,
2098     // because the permission check above would have caused an early return
2099     // already. We must use the full URL to find hosted apps, though, and not
2100     // just the origin.
2101     const Extension* extension =
2102         map->extensions().GetExtensionOrAppByURL(opener_url);
2103     if (extension && !extensions::BackgroundInfo::AllowJSAccess(extension))
2104       *no_javascript_access = true;
2105 #endif
2106
2107     return true;
2108   }
2109
2110 #if defined(ENABLE_EXTENSIONS)
2111   if (extensions::WebViewRendererState::GetInstance()->IsGuest(
2112       render_process_id))
2113     return true;
2114 #endif
2115
2116   HostContentSettingsMap* content_settings =
2117       ProfileIOData::FromResourceContext(context)->GetHostContentSettingsMap();
2118   BlockedWindowParams blocked_params(target_url,
2119                                      referrer,
2120                                      disposition,
2121                                      features,
2122                                      user_gesture,
2123                                      opener_suppressed,
2124                                      render_process_id,
2125                                      opener_id);
2126
2127   if (!user_gesture && !CommandLine::ForCurrentProcess()->HasSwitch(
2128         switches::kDisablePopupBlocking)) {
2129     if (content_settings->GetContentSetting(opener_top_level_frame_url,
2130                                             opener_top_level_frame_url,
2131                                             CONTENT_SETTINGS_TYPE_POPUPS,
2132                                             std::string()) !=
2133         CONTENT_SETTING_ALLOW) {
2134       BrowserThread::PostTask(BrowserThread::UI,
2135                               FROM_HERE,
2136                               base::Bind(&HandleBlockedPopupOnUIThread,
2137                                          blocked_params));
2138       return false;
2139     }
2140   }
2141
2142 #if defined(OS_ANDROID)
2143   if (SingleTabModeTabHelper::IsRegistered(render_process_id, opener_id)) {
2144     BrowserThread::PostTask(BrowserThread::UI,
2145                             FROM_HERE,
2146                             base::Bind(&HandleSingleTabModeBlockOnUIThread,
2147                                        blocked_params));
2148     return false;
2149   }
2150 #endif
2151
2152   return true;
2153 }
2154
2155 void ChromeContentBrowserClient::ResourceDispatcherHostCreated() {
2156   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
2157   prerender_tracker_ = g_browser_process->prerender_tracker();
2158   return g_browser_process->ResourceDispatcherHostCreated();
2159 }
2160
2161 content::SpeechRecognitionManagerDelegate*
2162     ChromeContentBrowserClient::CreateSpeechRecognitionManagerDelegate() {
2163   return new speech::ChromeSpeechRecognitionManagerDelegate();
2164 }
2165
2166 net::NetLog* ChromeContentBrowserClient::GetNetLog() {
2167   return g_browser_process->net_log();
2168 }
2169
2170 AccessTokenStore* ChromeContentBrowserClient::CreateAccessTokenStore() {
2171   return new ChromeAccessTokenStore();
2172 }
2173
2174 bool ChromeContentBrowserClient::IsFastShutdownPossible() {
2175   return true;
2176 }
2177
2178 void ChromeContentBrowserClient::OverrideWebkitPrefs(
2179     RenderViewHost* rvh, const GURL& url, WebPreferences* web_prefs) {
2180   Profile* profile = Profile::FromBrowserContext(
2181       rvh->GetProcess()->GetBrowserContext());
2182   PrefService* prefs = profile->GetPrefs();
2183
2184   // Fill per-script font preferences. These are not registered on Android
2185   // - http://crbug.com/308033.
2186 #if !defined(OS_ANDROID)
2187   FontFamilyCache::FillFontFamilyMap(profile,
2188                                      prefs::kWebKitStandardFontFamilyMap,
2189                                      &web_prefs->standard_font_family_map);
2190   FontFamilyCache::FillFontFamilyMap(profile,
2191                                      prefs::kWebKitFixedFontFamilyMap,
2192                                      &web_prefs->fixed_font_family_map);
2193   FontFamilyCache::FillFontFamilyMap(profile,
2194                                      prefs::kWebKitSerifFontFamilyMap,
2195                                      &web_prefs->serif_font_family_map);
2196   FontFamilyCache::FillFontFamilyMap(profile,
2197                                      prefs::kWebKitSansSerifFontFamilyMap,
2198                                      &web_prefs->sans_serif_font_family_map);
2199   FontFamilyCache::FillFontFamilyMap(profile,
2200                                      prefs::kWebKitCursiveFontFamilyMap,
2201                                      &web_prefs->cursive_font_family_map);
2202   FontFamilyCache::FillFontFamilyMap(profile,
2203                                      prefs::kWebKitFantasyFontFamilyMap,
2204                                      &web_prefs->fantasy_font_family_map);
2205   FontFamilyCache::FillFontFamilyMap(profile,
2206                                      prefs::kWebKitPictographFontFamilyMap,
2207                                      &web_prefs->pictograph_font_family_map);
2208 #endif
2209
2210   web_prefs->default_font_size =
2211       prefs->GetInteger(prefs::kWebKitDefaultFontSize);
2212   web_prefs->default_fixed_font_size =
2213       prefs->GetInteger(prefs::kWebKitDefaultFixedFontSize);
2214   web_prefs->minimum_font_size =
2215       prefs->GetInteger(prefs::kWebKitMinimumFontSize);
2216   web_prefs->minimum_logical_font_size =
2217       prefs->GetInteger(prefs::kWebKitMinimumLogicalFontSize);
2218
2219   web_prefs->default_encoding = prefs->GetString(prefs::kDefaultCharset);
2220
2221   web_prefs->javascript_can_open_windows_automatically =
2222       prefs->GetBoolean(prefs::kWebKitJavascriptCanOpenWindowsAutomatically);
2223   web_prefs->dom_paste_enabled =
2224       prefs->GetBoolean(prefs::kWebKitDomPasteEnabled);
2225   web_prefs->shrinks_standalone_images_to_fit =
2226       prefs->GetBoolean(prefs::kWebKitShrinksStandaloneImagesToFit);
2227   web_prefs->tabs_to_links = prefs->GetBoolean(prefs::kWebkitTabsToLinks);
2228
2229   if (!prefs->GetBoolean(prefs::kWebKitJavascriptEnabled))
2230     web_prefs->javascript_enabled = false;
2231   if (!prefs->GetBoolean(prefs::kWebKitWebSecurityEnabled))
2232     web_prefs->web_security_enabled = false;
2233   if (!prefs->GetBoolean(prefs::kWebKitPluginsEnabled))
2234     web_prefs->plugins_enabled = false;
2235   if (!prefs->GetBoolean(prefs::kWebKitJavaEnabled))
2236     web_prefs->java_enabled = false;
2237   web_prefs->loads_images_automatically =
2238       prefs->GetBoolean(prefs::kWebKitLoadsImagesAutomatically);
2239
2240   if (prefs->GetBoolean(prefs::kDisable3DAPIs))
2241     web_prefs->experimental_webgl_enabled = false;
2242
2243   web_prefs->allow_displaying_insecure_content =
2244       prefs->GetBoolean(prefs::kWebKitAllowDisplayingInsecureContent);
2245   web_prefs->allow_running_insecure_content =
2246       prefs->GetBoolean(prefs::kWebKitAllowRunningInsecureContent);
2247 #if defined(OS_ANDROID)
2248   web_prefs->font_scale_factor =
2249       static_cast<float>(prefs->GetDouble(prefs::kWebKitFontScaleFactor));
2250   web_prefs->device_scale_adjustment = GetDeviceScaleAdjustment();
2251   web_prefs->force_enable_zoom =
2252       prefs->GetBoolean(prefs::kWebKitForceEnableZoom);
2253 #endif
2254
2255 #if defined(OS_ANDROID)
2256   web_prefs->password_echo_enabled =
2257       prefs->GetBoolean(prefs::kWebKitPasswordEchoEnabled);
2258 #else
2259   web_prefs->password_echo_enabled = browser_defaults::kPasswordEchoEnabled;
2260 #endif
2261
2262   web_prefs->asynchronous_spell_checking_enabled = true;
2263   web_prefs->unified_textchecker_enabled = true;
2264
2265   web_prefs->uses_universal_detector =
2266       prefs->GetBoolean(prefs::kWebKitUsesUniversalDetector);
2267   web_prefs->text_areas_are_resizable =
2268       prefs->GetBoolean(prefs::kWebKitTextAreasAreResizable);
2269   web_prefs->hyperlink_auditing_enabled =
2270       prefs->GetBoolean(prefs::kEnableHyperlinkAuditing);
2271
2272   // Make sure we will set the default_encoding with canonical encoding name.
2273   web_prefs->default_encoding =
2274       CharacterEncoding::GetCanonicalEncodingNameByAliasName(
2275           web_prefs->default_encoding);
2276   if (web_prefs->default_encoding.empty()) {
2277     prefs->ClearPref(prefs::kDefaultCharset);
2278     web_prefs->default_encoding = prefs->GetString(prefs::kDefaultCharset);
2279   }
2280   DCHECK(!web_prefs->default_encoding.empty());
2281
2282   for (size_t i = 0; i < extra_parts_.size(); ++i)
2283     extra_parts_[i]->OverrideWebkitPrefs(rvh, url, web_prefs);
2284 }
2285
2286 void ChromeContentBrowserClient::BrowserURLHandlerCreated(
2287     BrowserURLHandler* handler) {
2288   for (size_t i = 0; i < extra_parts_.size(); ++i)
2289     extra_parts_[i]->BrowserURLHandlerCreated(handler);
2290
2291   // about: handler. Must come before chrome: handler, since it will
2292   // rewrite about: urls to chrome: URLs and then expect chrome: to
2293   // actually handle them.
2294   handler->AddHandlerPair(&WillHandleBrowserAboutURL,
2295                           BrowserURLHandler::null_handler());
2296
2297 #if defined(OS_ANDROID)
2298   // Handler to rewrite chrome://newtab on Android.
2299   handler->AddHandlerPair(&chrome::android::HandleAndroidNewTabURL,
2300                           BrowserURLHandler::null_handler());
2301 #else
2302   // Handler to rewrite chrome://newtab for InstantExtended.
2303   handler->AddHandlerPair(&chrome::HandleNewTabURLRewrite,
2304                           &chrome::HandleNewTabURLReverseRewrite);
2305 #endif
2306
2307   // chrome: & friends.
2308   handler->AddHandlerPair(&HandleWebUI, &HandleWebUIReverse);
2309 }
2310
2311 void ChromeContentBrowserClient::ClearCache(RenderViewHost* rvh) {
2312   Profile* profile = Profile::FromBrowserContext(
2313       rvh->GetSiteInstance()->GetProcess()->GetBrowserContext());
2314   BrowsingDataRemover* remover =
2315       BrowsingDataRemover::CreateForUnboundedRange(profile);
2316   remover->Remove(BrowsingDataRemover::REMOVE_CACHE,
2317                   BrowsingDataHelper::UNPROTECTED_WEB);
2318   // BrowsingDataRemover takes care of deleting itself when done.
2319 }
2320
2321 void ChromeContentBrowserClient::ClearCookies(RenderViewHost* rvh) {
2322   Profile* profile = Profile::FromBrowserContext(
2323       rvh->GetSiteInstance()->GetProcess()->GetBrowserContext());
2324   BrowsingDataRemover* remover =
2325       BrowsingDataRemover::CreateForUnboundedRange(profile);
2326   int remove_mask = BrowsingDataRemover::REMOVE_SITE_DATA;
2327   remover->Remove(remove_mask, BrowsingDataHelper::UNPROTECTED_WEB);
2328   // BrowsingDataRemover takes care of deleting itself when done.
2329 }
2330
2331 base::FilePath ChromeContentBrowserClient::GetDefaultDownloadDirectory() {
2332   return DownloadPrefs::GetDefaultDownloadDirectory();
2333 }
2334
2335 std::string ChromeContentBrowserClient::GetDefaultDownloadName() {
2336   return l10n_util::GetStringUTF8(IDS_DEFAULT_DOWNLOAD_FILENAME);
2337 }
2338
2339 void ChromeContentBrowserClient::DidCreatePpapiPlugin(
2340     content::BrowserPpapiHost* browser_host) {
2341 #if defined(ENABLE_PLUGINS)
2342   ChromeContentBrowserClientPluginsPart::DidCreatePpapiPlugin(browser_host);
2343 #endif
2344 }
2345
2346 content::BrowserPpapiHost*
2347     ChromeContentBrowserClient::GetExternalBrowserPpapiHost(
2348         int plugin_process_id) {
2349 #if !defined(DISABLE_NACL)
2350   content::BrowserChildProcessHostIterator iter(PROCESS_TYPE_NACL_LOADER);
2351   while (!iter.Done()) {
2352     nacl::NaClProcessHost* host = static_cast<nacl::NaClProcessHost*>(
2353         iter.GetDelegate());
2354     if (host->process() &&
2355         host->process()->GetData().id == plugin_process_id) {
2356       // Found the plugin.
2357       return host->browser_ppapi_host();
2358     }
2359     ++iter;
2360   }
2361 #endif
2362   return NULL;
2363 }
2364
2365 bool ChromeContentBrowserClient::AllowPepperSocketAPI(
2366     content::BrowserContext* browser_context,
2367     const GURL& url,
2368     bool private_api,
2369     const content::SocketPermissionRequest* params) {
2370 #if defined(ENABLE_PLUGINS) && defined(ENABLE_EXTENSIONS)
2371   return ChromeContentBrowserClientPluginsPart::AllowPepperSocketAPI(
2372       browser_context, url, private_api, params, allowed_socket_origins_);
2373 #else
2374   return false;
2375 #endif
2376 }
2377
2378 ui::SelectFilePolicy* ChromeContentBrowserClient::CreateSelectFilePolicy(
2379     WebContents* web_contents) {
2380   return new ChromeSelectFilePolicy(web_contents);
2381 }
2382
2383 void ChromeContentBrowserClient::GetAdditionalAllowedSchemesForFileSystem(
2384     std::vector<std::string>* additional_allowed_schemes) {
2385   ContentBrowserClient::GetAdditionalAllowedSchemesForFileSystem(
2386       additional_allowed_schemes);
2387   additional_allowed_schemes->push_back(content::kChromeDevToolsScheme);
2388   additional_allowed_schemes->push_back(content::kChromeUIScheme);
2389   for (size_t i = 0; i < extra_parts_.size(); ++i) {
2390     extra_parts_[i]->GetAdditionalAllowedSchemesForFileSystem(
2391         additional_allowed_schemes);
2392   }
2393 }
2394
2395 void ChromeContentBrowserClient::GetURLRequestAutoMountHandlers(
2396     std::vector<storage::URLRequestAutoMountHandler>* handlers) {
2397   for (size_t i = 0; i < extra_parts_.size(); ++i)
2398     extra_parts_[i]->GetURLRequestAutoMountHandlers(handlers);
2399 }
2400
2401 void ChromeContentBrowserClient::GetAdditionalFileSystemBackends(
2402     content::BrowserContext* browser_context,
2403     const base::FilePath& storage_partition_path,
2404     ScopedVector<storage::FileSystemBackend>* additional_backends) {
2405 #if defined(OS_CHROMEOS)
2406   storage::ExternalMountPoints* external_mount_points =
2407       content::BrowserContext::GetMountPoints(browser_context);
2408   DCHECK(external_mount_points);
2409   chromeos::FileSystemBackend* backend = new chromeos::FileSystemBackend(
2410       new drive::FileSystemBackendDelegate,
2411       new chromeos::file_system_provider::BackendDelegate,
2412       new chromeos::MTPFileSystemBackendDelegate(storage_partition_path),
2413       browser_context->GetSpecialStoragePolicy(),
2414       external_mount_points,
2415       storage::ExternalMountPoints::GetSystemInstance());
2416   backend->AddSystemMountPoints();
2417   DCHECK(backend->CanHandleType(storage::kFileSystemTypeExternal));
2418   additional_backends->push_back(backend);
2419 #endif
2420
2421   for (size_t i = 0; i < extra_parts_.size(); ++i) {
2422     extra_parts_[i]->GetAdditionalFileSystemBackends(
2423         browser_context, storage_partition_path, additional_backends);
2424   }
2425 }
2426
2427 #if defined(OS_POSIX) && !defined(OS_MACOSX)
2428 void ChromeContentBrowserClient::GetAdditionalMappedFilesForChildProcess(
2429     const CommandLine& command_line,
2430     int child_process_id,
2431     FileDescriptorInfo* mappings) {
2432 #if defined(OS_ANDROID)
2433   base::FilePath data_path;
2434   PathService::Get(ui::DIR_RESOURCE_PAKS_ANDROID, &data_path);
2435   DCHECK(!data_path.empty());
2436
2437   int flags = base::File::FLAG_OPEN | base::File::FLAG_READ;
2438   base::FilePath chrome_resources_pak =
2439       data_path.AppendASCII("chrome_100_percent.pak");
2440   base::File file(chrome_resources_pak, flags);
2441   DCHECK(file.IsValid());
2442   mappings->Transfer(kAndroidChrome100PercentPakDescriptor,
2443                      base::ScopedFD(file.TakePlatformFile()));
2444
2445   const std::string locale = GetApplicationLocale();
2446   base::FilePath locale_pak = ResourceBundle::GetSharedInstance().
2447       GetLocaleFilePath(locale, false);
2448   file.Initialize(locale_pak, flags);
2449   DCHECK(file.IsValid());
2450   mappings->Transfer(kAndroidLocalePakDescriptor,
2451                      base::ScopedFD(file.TakePlatformFile()));
2452
2453   base::FilePath resources_pack_path;
2454   PathService::Get(chrome::FILE_RESOURCES_PACK, &resources_pack_path);
2455   file.Initialize(resources_pack_path, flags);
2456   DCHECK(file.IsValid());
2457   mappings->Transfer(kAndroidUIResourcesPakDescriptor,
2458                      base::ScopedFD(file.TakePlatformFile()));
2459
2460   if (breakpad::IsCrashReporterEnabled()) {
2461     file = breakpad::CrashDumpManager::GetInstance()->CreateMinidumpFile(
2462                child_process_id);
2463     if (file.IsValid()) {
2464       mappings->Transfer(kAndroidMinidumpDescriptor,
2465                          base::ScopedFD(file.TakePlatformFile()));
2466     } else {
2467       LOG(ERROR) << "Failed to create file for minidump, crash reporting will "
2468                  "be disabled for this process.";
2469     }
2470   }
2471
2472   base::FilePath app_data_path;
2473   PathService::Get(base::DIR_ANDROID_APP_DATA, &app_data_path);
2474   DCHECK(!app_data_path.empty());
2475
2476   flags = base::File::FLAG_OPEN | base::File::FLAG_READ;
2477   base::FilePath icudata_path =
2478       app_data_path.AppendASCII("icudtl.dat");
2479   base::File icudata_file(icudata_path, flags);
2480   DCHECK(icudata_file.IsValid());
2481   mappings->Transfer(kAndroidICUDataDescriptor,
2482                      base::ScopedFD(icudata_file.TakePlatformFile()));
2483
2484 #ifdef V8_USE_EXTERNAL_STARTUP_DATA
2485   base::FilePath v8_data_path;
2486   PathService::Get(base::DIR_ANDROID_APP_DATA, &v8_data_path);
2487   DCHECK(!v8_data_path.empty());
2488
2489   int file_flags = base::File::FLAG_OPEN | base::File::FLAG_READ;
2490   base::FilePath v8_natives_data_path =
2491       v8_data_path.AppendASCII("natives_blob.bin");
2492   base::FilePath v8_snapshot_data_path =
2493       v8_data_path.AppendASCII("snapshot_blob.bin");
2494   base::File v8_natives_data_file(v8_natives_data_path, file_flags);
2495   base::File v8_snapshot_data_file(v8_snapshot_data_path, file_flags);
2496   DCHECK(v8_natives_data_file.IsValid());
2497   DCHECK(v8_snapshot_data_file.IsValid());
2498   mappings->Transfer(kV8NativesDataDescriptor,
2499                      base::ScopedFD(v8_natives_data_file.TakePlatformFile()));
2500   mappings->Transfer(kV8SnapshotDataDescriptor,
2501                      base::ScopedFD(v8_snapshot_data_file.TakePlatformFile()));
2502 #endif  // V8_USE_EXTERNAL_STARTUP_DATA
2503
2504 #else
2505   int crash_signal_fd = GetCrashSignalFD(command_line);
2506   if (crash_signal_fd >= 0) {
2507     mappings->Share(kCrashDumpSignal, crash_signal_fd);
2508   }
2509 #endif  // defined(OS_ANDROID)
2510 }
2511 #endif  // defined(OS_POSIX) && !defined(OS_MACOSX)
2512
2513 #if defined(OS_WIN)
2514 const wchar_t* ChromeContentBrowserClient::GetResourceDllName() {
2515   return chrome::kBrowserResourcesDll;
2516 }
2517
2518 void ChromeContentBrowserClient::PreSpawnRenderer(
2519     sandbox::TargetPolicy* policy,
2520     bool* success) {
2521   // This code is duplicated in nacl_exe_win_64.cc.
2522   // Allow the server side of a pipe restricted to the "chrome.nacl."
2523   // namespace so that it cannot impersonate other system or other chrome
2524   // service pipes.
2525   sandbox::ResultCode result = policy->AddRule(
2526       sandbox::TargetPolicy::SUBSYS_NAMED_PIPES,
2527       sandbox::TargetPolicy::NAMEDPIPES_ALLOW_ANY,
2528       L"\\\\.\\pipe\\chrome.nacl.*");
2529   if (result != sandbox::SBOX_ALL_OK) {
2530     *success = false;
2531     return;
2532   }
2533
2534   // Renderers need to send named pipe handles and shared memory
2535   // segment handles to NaCl loader processes.
2536   result = policy->AddRule(sandbox::TargetPolicy::SUBSYS_HANDLES,
2537                            sandbox::TargetPolicy::HANDLES_DUP_ANY,
2538                            L"File");
2539   if (result != sandbox::SBOX_ALL_OK) {
2540     *success = false;
2541     return;
2542   }
2543 }
2544 #endif
2545
2546 bool ChromeContentBrowserClient::CheckMediaAccessPermission(
2547     content::BrowserContext* browser_context,
2548     const GURL& security_origin,
2549     content::MediaStreamType type) {
2550   return MediaCaptureDevicesDispatcher::GetInstance()
2551       ->CheckMediaAccessPermission(
2552           browser_context, security_origin, type);
2553 }
2554
2555 content::DevToolsManagerDelegate*
2556 ChromeContentBrowserClient::GetDevToolsManagerDelegate() {
2557 #if defined(OS_ANDROID)
2558   return new DevToolsManagerDelegateAndroid();
2559 #else
2560   return new ChromeDevToolsManagerDelegate();
2561 #endif
2562 }
2563
2564 bool ChromeContentBrowserClient::IsPluginAllowedToCallRequestOSFileHandle(
2565     content::BrowserContext* browser_context,
2566     const GURL& url) {
2567 #if defined(ENABLE_PLUGINS) && defined(ENABLE_EXTENSIONS)
2568   return ChromeContentBrowserClientPluginsPart::
2569       IsPluginAllowedToCallRequestOSFileHandle(browser_context, url,
2570                                                allowed_file_handle_origins_);
2571 #else
2572   return false;
2573 #endif
2574 }
2575
2576 bool ChromeContentBrowserClient::IsPluginAllowedToUseDevChannelAPIs(
2577     content::BrowserContext* browser_context,
2578     const GURL& url) {
2579 #if defined(ENABLE_PLUGINS) && defined(ENABLE_EXTENSIONS)
2580   return ChromeContentBrowserClientPluginsPart::
2581       IsPluginAllowedToUseDevChannelAPIs(browser_context, url,
2582                                          allowed_dev_channel_origins_);
2583 #else
2584   return false;
2585 #endif
2586 }
2587
2588 net::CookieStore*
2589 ChromeContentBrowserClient::OverrideCookieStoreForRenderProcess(
2590     int render_process_id) {
2591   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
2592   if (!prerender_tracker_)
2593     return NULL;
2594   return prerender_tracker_->GetPrerenderCookieStoreForRenderProcess(
2595                                  render_process_id).get();
2596 }
2597
2598 #if defined(ENABLE_WEBRTC)
2599 void ChromeContentBrowserClient::MaybeCopyDisableWebRtcEncryptionSwitch(
2600     CommandLine* to_command_line,
2601     const CommandLine& from_command_line,
2602     VersionInfo::Channel channel) {
2603 #if defined(OS_ANDROID)
2604   const VersionInfo::Channel kMaxDisableEncryptionChannel =
2605       VersionInfo::CHANNEL_BETA;
2606 #else
2607   const VersionInfo::Channel kMaxDisableEncryptionChannel =
2608       VersionInfo::CHANNEL_DEV;
2609 #endif
2610   if (channel <= kMaxDisableEncryptionChannel) {
2611     static const char* const kWebRtcDevSwitchNames[] = {
2612       switches::kDisableWebRtcEncryption,
2613     };
2614     to_command_line->CopySwitchesFrom(from_command_line,
2615                                       kWebRtcDevSwitchNames,
2616                                       arraysize(kWebRtcDevSwitchNames));
2617   }
2618 }
2619 #endif  // defined(ENABLE_WEBRTC)
2620
2621 }  // namespace chrome