chrome/browser/chrome_content_browser_client.cc

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