content_browser_client.h revision cedac228d2dd51db4b79ea1e72c7f249408ee061
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#ifndef CONTENT_PUBLIC_BROWSER_CONTENT_BROWSER_CLIENT_H_ 6#define CONTENT_PUBLIC_BROWSER_CONTENT_BROWSER_CLIENT_H_ 7 8#include <map> 9#include <string> 10#include <utility> 11#include <vector> 12 13#include "base/callback_forward.h" 14#include "base/memory/linked_ptr.h" 15#include "base/memory/scoped_ptr.h" 16#include "base/memory/scoped_vector.h" 17#include "base/values.h" 18#include "content/public/browser/certificate_request_result_type.h" 19#include "content/public/common/content_client.h" 20#include "content/public/common/socket_permission_request.h" 21#include "content/public/common/window_container_type.h" 22#include "net/base/mime_util.h" 23#include "net/cookies/canonical_cookie.h" 24#include "net/url_request/url_request_interceptor.h" 25#include "net/url_request/url_request_job_factory.h" 26#include "third_party/WebKit/public/web/WebNotificationPresenter.h" 27#include "ui/base/window_open_disposition.h" 28#include "webkit/browser/fileapi/file_system_context.h" 29#include "webkit/common/resource_type.h" 30 31#if defined(OS_POSIX) && !defined(OS_MACOSX) 32#include "base/posix/global_descriptors.h" 33#endif 34 35#if defined(OS_POSIX) 36#include "content/public/browser/file_descriptor_info.h" 37#endif 38 39class GURL; 40struct WebPreferences; 41 42namespace base { 43class CommandLine; 44class DictionaryValue; 45class FilePath; 46} 47 48namespace blink { 49struct WebWindowFeatures; 50} 51 52namespace gfx { 53class ImageSkia; 54} 55 56namespace net { 57class CookieOptions; 58class CookieStore; 59class HttpNetworkSession; 60class NetLog; 61class SSLCertRequestInfo; 62class SSLInfo; 63class URLRequest; 64class URLRequestContext; 65class URLRequestContextGetter; 66class X509Certificate; 67} 68 69namespace sandbox { 70class TargetPolicy; 71} 72 73namespace ui { 74class SelectFilePolicy; 75} 76 77namespace fileapi { 78class ExternalMountPoints; 79class FileSystemBackend; 80} 81 82namespace content { 83 84class AccessTokenStore; 85class BrowserChildProcessHost; 86class BrowserContext; 87class BrowserMainParts; 88class BrowserPluginGuestDelegate; 89class BrowserPpapiHost; 90class BrowserURLHandler; 91class DesktopNotificationDelegate; 92class DevToolsManagerDelegate; 93class ExternalVideoSurfaceContainer; 94class LocationProvider; 95class MediaObserver; 96class QuotaPermissionContext; 97class RenderFrameHost; 98class RenderProcessHost; 99class RenderViewHost; 100class ResourceContext; 101class SiteInstance; 102class SpeechRecognitionManagerDelegate; 103class VibrationProvider; 104class WebContents; 105class WebContentsViewDelegate; 106struct MainFunctionParams; 107struct Referrer; 108struct ShowDesktopNotificationHostMsgParams; 109 110// A mapping from the scheme name to the protocol handler that services its 111// content. 112typedef std::map< 113 std::string, linked_ptr<net::URLRequestJobFactory::ProtocolHandler> > 114 ProtocolHandlerMap; 115 116// A scoped vector of protocol interceptors. 117typedef ScopedVector<net::URLRequestInterceptor> 118 URLRequestInterceptorScopedVector; 119 120// Embedder API (or SPI) for participating in browser logic, to be implemented 121// by the client of the content browser. See ChromeContentBrowserClient for the 122// principal implementation. The methods are assumed to be called on the UI 123// thread unless otherwise specified. Use this "escape hatch" sparingly, to 124// avoid the embedder interface ballooning and becoming very specific to Chrome. 125// (Often, the call out to the client can happen in a different part of the code 126// that either already has a hook out to the embedder, or calls out to one of 127// the observer interfaces.) 128class CONTENT_EXPORT ContentBrowserClient { 129 public: 130 virtual ~ContentBrowserClient() {} 131 132 // Allows the embedder to set any number of custom BrowserMainParts 133 // implementations for the browser startup code. See comments in 134 // browser_main_parts.h. 135 virtual BrowserMainParts* CreateBrowserMainParts( 136 const MainFunctionParams& parameters); 137 138 // If content creates the WebContentsView implementation, it will ask the 139 // embedder to return an (optional) delegate to customize it. The view will 140 // own the delegate. 141 virtual WebContentsViewDelegate* GetWebContentsViewDelegate( 142 WebContents* web_contents); 143 144 // Notifies that a guest WebContents has been created. A guest WebContents 145 // represents a renderer that's hosted within a BrowserPlugin. Creation can 146 // occur an arbitrary length of time before attachment. If the new guest has 147 // an |opener_web_contents|, then it's a new window created by that opener. 148 // If the guest was created via navigation, then |extra_params| will be 149 // non-NULL. |extra_params| are parameters passed to the BrowserPlugin object 150 // element by the content embedder. These parameters may include the API to 151 // enable for the given guest. |guest_delegate| is a return parameter of 152 // the delegate in the content embedder that will service the guest in the 153 // content layer. The content layer takes ownership of the |guest_delegate|. 154 virtual void GuestWebContentsCreated( 155 int guest_instance_id, 156 SiteInstance* guest_site_instance, 157 WebContents* guest_web_contents, 158 WebContents* opener_web_contents, 159 BrowserPluginGuestDelegate** guest_delegate, 160 scoped_ptr<base::DictionaryValue> extra_params) {} 161 162 // Notifies that a guest WebContents has been attached to a BrowserPlugin. 163 // A guest is attached to a BrowserPlugin when the guest has acquired an 164 // embedder WebContents. This happens on initial navigation or when a new 165 // window is attached to a BrowserPlugin. |extra_params| are params sent 166 // from javascript. 167 virtual void GuestWebContentsAttached( 168 WebContents* guest_web_contents, 169 WebContents* embedder_web_contents, 170 const base::DictionaryValue& extra_params) {} 171 172 // Notifies that a render process will be created. This is called before 173 // the content layer adds its own BrowserMessageFilters, so that the 174 // embedder's IPC filters have priority. 175 virtual void RenderProcessWillLaunch(RenderProcessHost* host) {} 176 177 // Notifies that a BrowserChildProcessHost has been created. 178 virtual void BrowserChildProcessHostCreated(BrowserChildProcessHost* host) {} 179 180 // Get the effective URL for the given actual URL, to allow an embedder to 181 // group different url schemes in the same SiteInstance. 182 virtual GURL GetEffectiveURL(BrowserContext* browser_context, 183 const GURL& url); 184 185 // Returns whether all instances of the specified effective URL should be 186 // rendered by the same process, rather than using process-per-site-instance. 187 virtual bool ShouldUseProcessPerSite(BrowserContext* browser_context, 188 const GURL& effective_url); 189 190 // Returns a list additional WebUI schemes, if any. These additional schemes 191 // act as aliases to the chrome: scheme. The additional schemes may or may 192 // not serve specific WebUI pages depending on the particular URLDataSource 193 // and its override of URLDataSource::ShouldServiceRequest. For all schemes 194 // returned here, view-source is allowed. 195 virtual void GetAdditionalWebUISchemes( 196 std::vector<std::string>* additional_schemes) {} 197 198 // Returns a list of webUI hosts to ignore the storage partition check in 199 // URLRequestChromeJob::CheckStoragePartitionMatches. 200 virtual void GetAdditionalWebUIHostsToIgnoreParititionCheck( 201 std::vector<std::string>* hosts) {} 202 203 // Creates the main net::URLRequestContextGetter. Should only be called once 204 // per ContentBrowserClient object. 205 // TODO(ajwong): Remove once http://crbug.com/159193 is resolved. 206 virtual net::URLRequestContextGetter* CreateRequestContext( 207 BrowserContext* browser_context, 208 ProtocolHandlerMap* protocol_handlers, 209 URLRequestInterceptorScopedVector request_interceptors); 210 211 // Creates the net::URLRequestContextGetter for a StoragePartition. Should 212 // only be called once per partition_path per ContentBrowserClient object. 213 // TODO(ajwong): Remove once http://crbug.com/159193 is resolved. 214 virtual net::URLRequestContextGetter* CreateRequestContextForStoragePartition( 215 BrowserContext* browser_context, 216 const base::FilePath& partition_path, 217 bool in_memory, 218 ProtocolHandlerMap* protocol_handlers, 219 URLRequestInterceptorScopedVector request_interceptors); 220 221 // Returns whether a specified URL is handled by the embedder's internal 222 // protocol handlers. 223 virtual bool IsHandledURL(const GURL& url); 224 225 // Returns whether the given process is allowed to commit |url|. This is a 226 // more conservative check than IsSuitableHost, since it is used after a 227 // navigation has committed to ensure that the process did not exceed its 228 // authority. 229 virtual bool CanCommitURL(RenderProcessHost* process_host, const GURL& url); 230 231 // Returns whether a URL should be allowed to open from a specific context. 232 // This also applies in cases where the new URL will open in another process. 233 virtual bool ShouldAllowOpenURL(SiteInstance* site_instance, const GURL& url); 234 235 // Returns whether a new view for a given |site_url| can be launched in a 236 // given |process_host|. 237 virtual bool IsSuitableHost(RenderProcessHost* process_host, 238 const GURL& site_url); 239 240 // Returns whether a new view for a new site instance can be added to a 241 // given |process_host|. 242 virtual bool MayReuseHost(RenderProcessHost* process_host); 243 244 // Returns whether a new process should be created or an existing one should 245 // be reused based on the URL we want to load. This should return false, 246 // unless there is a good reason otherwise. 247 virtual bool ShouldTryToUseExistingProcessHost( 248 BrowserContext* browser_context, const GURL& url); 249 250 // Called when a site instance is first associated with a process. 251 virtual void SiteInstanceGotProcess(SiteInstance* site_instance) {} 252 253 // Called from a site instance's destructor. 254 virtual void SiteInstanceDeleting(SiteInstance* site_instance) {} 255 256 // Called when a worker process is created. 257 virtual void WorkerProcessCreated(SiteInstance* site_instance, 258 int worker_process_id) {} 259 260 // Called when a worker process is terminated. 261 virtual void WorkerProcessTerminated(SiteInstance* site_instance, 262 int worker_process_id) {} 263 264 // Returns true if for the navigation from |current_url| to |new_url| 265 // in |site_instance|, a new SiteInstance and BrowsingInstance should be 266 // created (even if we are in a process model that doesn't usually swap.) 267 // This forces a process swap and severs script connections with existing 268 // tabs. 269 virtual bool ShouldSwapBrowsingInstancesForNavigation( 270 SiteInstance* site_instance, 271 const GURL& current_url, 272 const GURL& new_url); 273 274 // Returns true if the given navigation redirect should cause a renderer 275 // process swap. 276 // This is called on the IO thread. 277 virtual bool ShouldSwapProcessesForRedirect(ResourceContext* resource_context, 278 const GURL& current_url, 279 const GURL& new_url); 280 281 // Returns true if the passed in URL should be assigned as the site of the 282 // current SiteInstance, if it does not yet have a site. 283 virtual bool ShouldAssignSiteForURL(const GURL& url); 284 285 // See CharacterEncoding's comment. 286 virtual std::string GetCanonicalEncodingNameByAliasName( 287 const std::string& alias_name); 288 289 // Allows the embedder to pass extra command line flags. 290 // switches::kProcessType will already be set at this point. 291 virtual void AppendExtraCommandLineSwitches(base::CommandLine* command_line, 292 int child_process_id) {} 293 294 // Returns the locale used by the application. 295 // This is called on the UI and IO threads. 296 virtual std::string GetApplicationLocale(); 297 298 // Returns the languages used in the Accept-Languages HTTP header. 299 // (Not called GetAcceptLanguages so it doesn't clash with win32). 300 virtual std::string GetAcceptLangs(BrowserContext* context); 301 302 // Returns the default favicon. The callee doesn't own the given bitmap. 303 virtual gfx::ImageSkia* GetDefaultFavicon(); 304 305 // Allow the embedder to control if an AppCache can be used for the given url. 306 // This is called on the IO thread. 307 virtual bool AllowAppCache(const GURL& manifest_url, 308 const GURL& first_party, 309 ResourceContext* context); 310 311 // Allow the embedder to control if the given cookie can be read. 312 // This is called on the IO thread. 313 virtual bool AllowGetCookie(const GURL& url, 314 const GURL& first_party, 315 const net::CookieList& cookie_list, 316 ResourceContext* context, 317 int render_process_id, 318 int render_frame_id); 319 320 // Allow the embedder to control if the given cookie can be set. 321 // This is called on the IO thread. 322 virtual bool AllowSetCookie(const GURL& url, 323 const GURL& first_party, 324 const std::string& cookie_line, 325 ResourceContext* context, 326 int render_process_id, 327 int render_frame_id, 328 net::CookieOptions* options); 329 330 // This is called on the IO thread. 331 virtual bool AllowSaveLocalState(ResourceContext* context); 332 333 // Allow the embedder to control if access to web database by a shared worker 334 // is allowed. |render_frame| is a vector of pairs of 335 // RenderProcessID/RenderFrameID of RenderFrame that are using this worker. 336 // This is called on the IO thread. 337 virtual bool AllowWorkerDatabase( 338 const GURL& url, 339 const base::string16& name, 340 const base::string16& display_name, 341 unsigned long estimated_size, 342 ResourceContext* context, 343 const std::vector<std::pair<int, int> >& render_frames); 344 345 // Allow the embedder to control if access to file system by a shared worker 346 // is allowed. 347 // This is called on the IO thread. 348 virtual bool AllowWorkerFileSystem( 349 const GURL& url, 350 ResourceContext* context, 351 const std::vector<std::pair<int, int> >& render_frames); 352 353 // Allow the embedder to control if access to IndexedDB by a shared worker 354 // is allowed. 355 // This is called on the IO thread. 356 virtual bool AllowWorkerIndexedDB( 357 const GURL& url, 358 const base::string16& name, 359 ResourceContext* context, 360 const std::vector<std::pair<int, int> >& render_frames); 361 362 // Allow the embedder to override the request context based on the URL for 363 // certain operations, like cookie access. Returns NULL to indicate the 364 // regular request context should be used. 365 // This is called on the IO thread. 366 virtual net::URLRequestContext* OverrideRequestContextForURL( 367 const GURL& url, ResourceContext* context); 368 369 // Allow the embedder to specify a string version of the storage partition 370 // config with a site. 371 virtual std::string GetStoragePartitionIdForSite( 372 BrowserContext* browser_context, 373 const GURL& site); 374 375 // Allows the embedder to provide a validation check for |partition_id|s. 376 // This domain of valid entries should match the range of outputs for 377 // GetStoragePartitionIdForChildProcess(). 378 virtual bool IsValidStoragePartitionId(BrowserContext* browser_context, 379 const std::string& partition_id); 380 381 // Allows the embedder to provide a storage parititon configuration for a 382 // site. A storage partition configuration includes a domain of the embedder's 383 // choice, an optional name within that domain, and whether the partition is 384 // in-memory only. 385 // 386 // If |can_be_default| is false, the caller is telling the embedder that the 387 // |site| is known to not be in the default partition. This is useful in 388 // some shutdown situations where the bookkeeping logic that maps sites to 389 // their partition configuration are no longer valid. 390 // 391 // The |partition_domain| is [a-z]* UTF-8 string, specifying the domain in 392 // which partitions live (similar to namespace). Within a domain, partitions 393 // can be uniquely identified by the combination of |partition_name| and 394 // |in_memory| values. When a partition is not to be persisted, the 395 // |in_memory| value must be set to true. 396 virtual void GetStoragePartitionConfigForSite( 397 BrowserContext* browser_context, 398 const GURL& site, 399 bool can_be_default, 400 std::string* partition_domain, 401 std::string* partition_name, 402 bool* in_memory); 403 404 // Create and return a new quota permission context. 405 virtual QuotaPermissionContext* CreateQuotaPermissionContext(); 406 407 // Informs the embedder that a certificate error has occured. If 408 // |overridable| is true and if |strict_enforcement| is false, the user 409 // can ignore the error and continue. The embedder can call the callback 410 // asynchronously. If |result| is not set to 411 // CERTIFICATE_REQUEST_RESULT_TYPE_CONTINUE, the request will be cancelled 412 // or denied immediately, and the callback won't be run. 413 virtual void AllowCertificateError( 414 int render_process_id, 415 int render_frame_id, 416 int cert_error, 417 const net::SSLInfo& ssl_info, 418 const GURL& request_url, 419 ResourceType::Type resource_type, 420 bool overridable, 421 bool strict_enforcement, 422 const base::Callback<void(bool)>& callback, 423 CertificateRequestResultType* result) {} 424 425 // Selects a SSL client certificate and returns it to the |callback|. If no 426 // certificate was selected NULL is returned to the |callback|. 427 virtual void SelectClientCertificate( 428 int render_process_id, 429 int render_frame_id, 430 const net::HttpNetworkSession* network_session, 431 net::SSLCertRequestInfo* cert_request_info, 432 const base::Callback<void(net::X509Certificate*)>& callback) {} 433 434 // Adds a new installable certificate or private key. 435 // Typically used to install an X.509 user certificate. 436 // Note that it's up to the embedder to verify that the data is 437 // well-formed. |cert_data| will be NULL if file_size is 0. 438 virtual void AddCertificate( 439 net::URLRequest* request, 440 net::CertificateMimeType cert_type, 441 const void* cert_data, 442 size_t cert_size, 443 int render_process_id, 444 int render_view_id) {} 445 446 // Returns a class to get notifications about media event. The embedder can 447 // return NULL if they're not interested. 448 virtual MediaObserver* GetMediaObserver(); 449 450 // Asks permission to show desktop notifications. |callback| needs to be run 451 // when the user approves the request. 452 virtual void RequestDesktopNotificationPermission( 453 const GURL& source_origin, 454 RenderFrameHost* render_frame_host, 455 const base::Closure& callback) {} 456 457 // Checks if the given page has permission to show desktop notifications. 458 // This is called on the IO thread. 459 virtual blink::WebNotificationPresenter::Permission 460 CheckDesktopNotificationPermission( 461 const GURL& source_url, 462 ResourceContext* context, 463 int render_process_id); 464 465 // Show a desktop notification. If |cancel_callback| is non-null, it's set to 466 // a callback which can be used to cancel the notification. 467 virtual void ShowDesktopNotification( 468 const ShowDesktopNotificationHostMsgParams& params, 469 RenderFrameHost* render_frame_host, 470 DesktopNotificationDelegate* delegate, 471 base::Closure* cancel_callback) {} 472 473 // Returns true if the given page is allowed to open a window of the given 474 // type. If true is returned, |no_javascript_access| will indicate whether 475 // the window that is created should be scriptable/in the same process. 476 // This is called on the IO thread. 477 virtual bool CanCreateWindow(const GURL& opener_url, 478 const GURL& opener_top_level_frame_url, 479 const GURL& source_origin, 480 WindowContainerType container_type, 481 const GURL& target_url, 482 const Referrer& referrer, 483 WindowOpenDisposition disposition, 484 const blink::WebWindowFeatures& features, 485 bool user_gesture, 486 bool opener_suppressed, 487 ResourceContext* context, 488 int render_process_id, 489 int opener_id, 490 bool* no_javascript_access); 491 492 // Returns a title string to use in the task manager for a process host with 493 // the given URL, or the empty string to fall back to the default logic. 494 // This is called on the IO thread. 495 virtual std::string GetWorkerProcessTitle(const GURL& url, 496 ResourceContext* context); 497 498 // Notifies the embedder that the ResourceDispatcherHost has been created. 499 // This is when it can optionally add a delegate. 500 virtual void ResourceDispatcherHostCreated() {} 501 502 // Allows the embedder to return a delegate for the SpeechRecognitionManager. 503 // The delegate will be owned by the manager. It's valid to return NULL. 504 virtual SpeechRecognitionManagerDelegate* 505 GetSpeechRecognitionManagerDelegate(); 506 507 // Getters for common objects. 508 virtual net::NetLog* GetNetLog(); 509 510 // Creates a new AccessTokenStore for gelocation. 511 virtual AccessTokenStore* CreateAccessTokenStore(); 512 513 // Returns true if fast shutdown is possible. 514 virtual bool IsFastShutdownPossible(); 515 516 // Called by WebContents to override the WebKit preferences that are used by 517 // the renderer. The content layer will add its own settings, and then it's up 518 // to the embedder to update it if it wants. 519 virtual void OverrideWebkitPrefs(RenderViewHost* render_view_host, 520 const GURL& url, 521 WebPreferences* prefs) {} 522 523 // Inspector setting was changed and should be persisted. 524 virtual void UpdateInspectorSetting(RenderViewHost* rvh, 525 const std::string& key, 526 const std::string& value) {} 527 528 // Notifies that BrowserURLHandler has been created, so that the embedder can 529 // optionally add their own handlers. 530 virtual void BrowserURLHandlerCreated(BrowserURLHandler* handler) {} 531 532 // Clears browser cache. 533 virtual void ClearCache(RenderViewHost* rvh) {} 534 535 // Clears browser cookies. 536 virtual void ClearCookies(RenderViewHost* rvh) {} 537 538 // Returns the default download directory. 539 // This can be called on any thread. 540 virtual base::FilePath GetDefaultDownloadDirectory(); 541 542 // Returns the default filename used in downloads when we have no idea what 543 // else we should do with the file. 544 virtual std::string GetDefaultDownloadName(); 545 546 // Notification that a pepper plugin has just been spawned. This allows the 547 // embedder to add filters onto the host to implement interfaces. 548 // This is called on the IO thread. 549 virtual void DidCreatePpapiPlugin(BrowserPpapiHost* browser_host) {} 550 551 // Gets the host for an external out-of-process plugin. 552 virtual BrowserPpapiHost* GetExternalBrowserPpapiHost( 553 int plugin_child_id); 554 555 // Returns true if the socket operation specified by |params| is allowed from 556 // the given |browser_context| and |url|. If |params| is NULL, this method 557 // checks the basic "socket" permission, which is for those operations that 558 // don't require a specific socket permission rule. 559 // |private_api| indicates whether this permission check is for the private 560 // Pepper socket API or the public one. 561 virtual bool AllowPepperSocketAPI(BrowserContext* browser_context, 562 const GURL& url, 563 bool private_api, 564 const SocketPermissionRequest* params); 565 566 // Returns an implementation of a file selecition policy. Can return NULL. 567 virtual ui::SelectFilePolicy* CreateSelectFilePolicy( 568 WebContents* web_contents); 569 570 // Returns additional allowed scheme set which can access files in 571 // FileSystem API. 572 virtual void GetAdditionalAllowedSchemesForFileSystem( 573 std::vector<std::string>* additional_schemes) {} 574 575 // Returns auto mount handlers for URL requests for FileSystem APIs. 576 virtual void GetURLRequestAutoMountHandlers( 577 std::vector<fileapi::URLRequestAutoMountHandler>* handlers) {} 578 579 // Returns additional file system backends for FileSystem API. 580 // |browser_context| is needed in the additional FileSystemBackends. 581 // It has mount points to create objects returned by additional 582 // FileSystemBackends, and SpecialStoragePolicy for permission granting. 583 virtual void GetAdditionalFileSystemBackends( 584 BrowserContext* browser_context, 585 const base::FilePath& storage_partition_path, 586 ScopedVector<fileapi::FileSystemBackend>* additional_backends) {} 587 588 // Allows an embedder to return its own LocationProvider implementation. 589 // Return NULL to use the default one for the platform to be created. 590 // FYI: Used by an external project; please don't remove. 591 // Contact Viatcheslav Ostapenko at sl.ostapenko@samsung.com for more 592 // information. 593 virtual LocationProvider* OverrideSystemLocationProvider(); 594 595 // Allows an embedder to return its own VibrationProvider implementation. 596 // Return NULL to use the default one for the platform to be created. 597 // FYI: Used by an external project; please don't remove. 598 // Contact Viatcheslav Ostapenko at sl.ostapenko@samsung.com for more 599 // information. 600 virtual VibrationProvider* OverrideVibrationProvider(); 601 602 // Creates a new DevToolsManagerDelegate. The caller owns the returned value. 603 // It's valid to return NULL. 604 virtual DevToolsManagerDelegate* GetDevToolsManagerDelegate(); 605 606#if defined(OS_POSIX) && !defined(OS_MACOSX) 607 // Populates |mappings| with all files that need to be mapped before launching 608 // a child process. 609 virtual void GetAdditionalMappedFilesForChildProcess( 610 const base::CommandLine& command_line, 611 int child_process_id, 612 std::vector<FileDescriptorInfo>* mappings) {} 613#endif 614 615#if defined(OS_WIN) 616 // Returns the name of the dll that contains cursors and other resources. 617 virtual const wchar_t* GetResourceDllName(); 618 619 // This is called on the PROCESS_LAUNCHER thread before the renderer process 620 // is launched. It gives the embedder a chance to add loosen the sandbox 621 // policy. 622 virtual void PreSpawnRenderer(sandbox::TargetPolicy* policy, 623 bool* success) {} 624#endif 625 626 // Returns true if plugin referred to by the url can use 627 // pp::FileIO::RequestOSFileHandle. 628 virtual bool IsPluginAllowedToCallRequestOSFileHandle( 629 BrowserContext* browser_context, 630 const GURL& url); 631 632 // Returns true if dev channel APIs are available for plugins. 633 virtual bool IsPluginAllowedToUseDevChannelAPIs(); 634 635 // Returns a special cookie store to use for a given render process, or NULL 636 // if the default cookie store should be used 637 // This is called on the IO thread. 638 virtual net::CookieStore* OverrideCookieStoreForRenderProcess( 639 int render_process_id); 640 641#if defined(VIDEO_HOLE) 642 // Allows an embedder to provide its own ExternalVideoSurfaceContainer 643 // implementation. Return NULL to disable external surface video. 644 virtual ExternalVideoSurfaceContainer* 645 OverrideCreateExternalVideoSurfaceContainer(WebContents* web_contents); 646#endif 647}; 648 649} // namespace content 650 651#endif // CONTENT_PUBLIC_BROWSER_CONTENT_BROWSER_CLIENT_H_ 652