content_browser_client.h revision 010d83a9304c5a91596085d917d248abff47903a
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_job_factory.h" 25#include "third_party/WebKit/public/web/WebNotificationPresenter.h" 26#include "ui/base/window_open_disposition.h" 27#include "webkit/browser/fileapi/file_system_context.h" 28#include "webkit/common/resource_type.h" 29 30#if defined(OS_POSIX) && !defined(OS_MACOSX) 31#include "base/posix/global_descriptors.h" 32#endif 33 34#if defined(OS_POSIX) 35#include "content/public/browser/file_descriptor_info.h" 36#endif 37 38class GURL; 39struct WebPreferences; 40 41namespace base { 42class CommandLine; 43class DictionaryValue; 44class FilePath; 45} 46 47namespace blink { 48struct WebWindowFeatures; 49} 50 51namespace gfx { 52class ImageSkia; 53} 54 55namespace net { 56class CookieOptions; 57class CookieStore; 58class HttpNetworkSession; 59class NetLog; 60class SSLCertRequestInfo; 61class SSLInfo; 62class URLRequest; 63class URLRequestContext; 64class URLRequestContextGetter; 65class X509Certificate; 66} 67 68namespace sandbox { 69class TargetPolicy; 70} 71 72namespace ui { 73class SelectFilePolicy; 74} 75 76namespace fileapi { 77class ExternalMountPoints; 78class FileSystemBackend; 79} 80 81namespace content { 82 83class AccessTokenStore; 84class BrowserChildProcessHost; 85class BrowserContext; 86class BrowserMainParts; 87class BrowserPluginGuestDelegate; 88class BrowserPpapiHost; 89class BrowserURLHandler; 90class DesktopNotificationDelegate; 91class ExternalVideoSurfaceContainer; 92class LocationProvider; 93class MediaObserver; 94class QuotaPermissionContext; 95class RenderFrameHost; 96class RenderProcessHost; 97class RenderViewHost; 98class ResourceContext; 99class SiteInstance; 100class SpeechRecognitionManagerDelegate; 101class VibrationProvider; 102class WebContents; 103class WebContentsViewDelegate; 104struct MainFunctionParams; 105struct Referrer; 106struct ShowDesktopNotificationHostMsgParams; 107 108// A mapping from the scheme name to the protocol handler that services its 109// content. 110typedef std::map< 111 std::string, linked_ptr<net::URLRequestJobFactory::ProtocolHandler> > 112 ProtocolHandlerMap; 113 114// A scoped vector of protocol handlers. 115typedef ScopedVector<net::URLRequestJobFactory::ProtocolHandler> 116 ProtocolHandlerScopedVector; 117 118// Embedder API (or SPI) for participating in browser logic, to be implemented 119// by the client of the content browser. See ChromeContentBrowserClient for the 120// principal implementation. The methods are assumed to be called on the UI 121// thread unless otherwise specified. Use this "escape hatch" sparingly, to 122// avoid the embedder interface ballooning and becoming very specific to Chrome. 123// (Often, the call out to the client can happen in a different part of the code 124// that either already has a hook out to the embedder, or calls out to one of 125// the observer interfaces.) 126class CONTENT_EXPORT ContentBrowserClient { 127 public: 128 virtual ~ContentBrowserClient() {} 129 130 // Allows the embedder to set any number of custom BrowserMainParts 131 // implementations for the browser startup code. See comments in 132 // browser_main_parts.h. 133 virtual BrowserMainParts* CreateBrowserMainParts( 134 const MainFunctionParams& parameters); 135 136 // If content creates the WebContentsView implementation, it will ask the 137 // embedder to return an (optional) delegate to customize it. The view will 138 // own the delegate. 139 virtual WebContentsViewDelegate* GetWebContentsViewDelegate( 140 WebContents* web_contents); 141 142 // Notifies that a guest WebContents has been created. A guest WebContents 143 // represents a renderer that's hosted within a BrowserPlugin. Creation can 144 // occur an arbitrary length of time before attachment. If the new guest has 145 // an |opener_web_contents|, then it's a new window created by that opener. 146 // If the guest was created via navigation, then |extra_params| will be 147 // non-NULL. |extra_params| are parameters passed to the BrowserPlugin object 148 // element by the content embedder. These parameters may include the API to 149 // enable for the given guest. |guest_delegate| is a return parameter of 150 // the delegate in the content embedder that will service the guest in the 151 // content layer. The content layer takes ownership of the |guest_delegate|. 152 virtual void GuestWebContentsCreated( 153 SiteInstance* guest_site_instance, 154 WebContents* guest_web_contents, 155 WebContents* opener_web_contents, 156 BrowserPluginGuestDelegate** guest_delegate, 157 scoped_ptr<base::DictionaryValue> extra_params) {} 158 159 // Notifies that a guest WebContents has been attached to a BrowserPlugin. 160 // A guest is attached to a BrowserPlugin when the guest has acquired an 161 // embedder WebContents. This happens on initial navigation or when a new 162 // window is attached to a BrowserPlugin. |extra_params| are params sent 163 // from javascript. 164 virtual void GuestWebContentsAttached( 165 WebContents* guest_web_contents, 166 WebContents* embedder_web_contents, 167 const base::DictionaryValue& extra_params) {} 168 169 // Notifies that a render process will be created. This is called before 170 // the content layer adds its own BrowserMessageFilters, so that the 171 // embedder's IPC filters have priority. 172 virtual void RenderProcessWillLaunch(RenderProcessHost* host) {} 173 174 // Notifies that a BrowserChildProcessHost has been created. 175 virtual void BrowserChildProcessHostCreated(BrowserChildProcessHost* host) {} 176 177 // Get the effective URL for the given actual URL, to allow an embedder to 178 // group different url schemes in the same SiteInstance. 179 virtual GURL GetEffectiveURL(BrowserContext* browser_context, 180 const GURL& url); 181 182 // Returns whether all instances of the specified effective URL should be 183 // rendered by the same process, rather than using process-per-site-instance. 184 virtual bool ShouldUseProcessPerSite(BrowserContext* browser_context, 185 const GURL& effective_url); 186 187 // Returns a list additional WebUI schemes, if any. These additional schemes 188 // act as aliases to the chrome: scheme. The additional schemes may or may 189 // not serve specific WebUI pages depending on the particular URLDataSource 190 // and its override of URLDataSource::ShouldServiceRequest. For all schemes 191 // returned here, view-source is allowed. 192 virtual void GetAdditionalWebUISchemes( 193 std::vector<std::string>* additional_schemes) {} 194 195 // Returns a list of webUI hosts to ignore the storage partition check in 196 // URLRequestChromeJob::CheckStoragePartitionMatches. 197 virtual void GetAdditionalWebUIHostsToIgnoreParititionCheck( 198 std::vector<std::string>* hosts) {} 199 200 // Creates the main net::URLRequestContextGetter. Should only be called once 201 // per ContentBrowserClient object. 202 // TODO(ajwong): Remove once http://crbug.com/159193 is resolved. 203 virtual net::URLRequestContextGetter* CreateRequestContext( 204 BrowserContext* browser_context, 205 ProtocolHandlerMap* protocol_handlers, 206 ProtocolHandlerScopedVector protocol_interceptors); 207 208 // Creates the net::URLRequestContextGetter for a StoragePartition. Should 209 // only be called once per partition_path per ContentBrowserClient object. 210 // TODO(ajwong): Remove once http://crbug.com/159193 is resolved. 211 virtual net::URLRequestContextGetter* CreateRequestContextForStoragePartition( 212 BrowserContext* browser_context, 213 const base::FilePath& partition_path, 214 bool in_memory, 215 ProtocolHandlerMap* protocol_handlers, 216 ProtocolHandlerScopedVector protocol_interceptors); 217 218 // Returns whether a specified URL is handled by the embedder's internal 219 // protocol handlers. 220 virtual bool IsHandledURL(const GURL& url); 221 222 // Returns whether the given process is allowed to commit |url|. This is a 223 // more conservative check than IsSuitableHost, since it is used after a 224 // navigation has committed to ensure that the process did not exceed its 225 // authority. 226 virtual bool CanCommitURL(RenderProcessHost* process_host, const GURL& url); 227 228 // Returns whether a URL should be allowed to open from a specific context. 229 // This also applies in cases where the new URL will open in another process. 230 virtual bool ShouldAllowOpenURL(SiteInstance* site_instance, const GURL& url); 231 232 // Returns whether a new view for a given |site_url| can be launched in a 233 // given |process_host|. 234 virtual bool IsSuitableHost(RenderProcessHost* process_host, 235 const GURL& site_url); 236 237 // Returns whether a new process should be created or an existing one should 238 // be reused based on the URL we want to load. This should return false, 239 // unless there is a good reason otherwise. 240 virtual bool ShouldTryToUseExistingProcessHost( 241 BrowserContext* browser_context, const GURL& url); 242 243 // Called when a site instance is first associated with a process. 244 virtual void SiteInstanceGotProcess(SiteInstance* site_instance) {} 245 246 // Called from a site instance's destructor. 247 virtual void SiteInstanceDeleting(SiteInstance* site_instance) {} 248 249 // Called when a worker process is created. 250 virtual void WorkerProcessCreated(SiteInstance* site_instance, 251 int worker_process_id) {} 252 253 // Called when a worker process is terminated. 254 virtual void WorkerProcessTerminated(SiteInstance* site_instance, 255 int worker_process_id) {} 256 257 // Returns true if for the navigation from |current_url| to |new_url| 258 // in |site_instance|, a new SiteInstance and BrowsingInstance should be 259 // created (even if we are in a process model that doesn't usually swap.) 260 // This forces a process swap and severs script connections with existing 261 // tabs. 262 virtual bool ShouldSwapBrowsingInstancesForNavigation( 263 SiteInstance* site_instance, 264 const GURL& current_url, 265 const GURL& new_url); 266 267 // Returns true if the given navigation redirect should cause a renderer 268 // process swap. 269 // This is called on the IO thread. 270 virtual bool ShouldSwapProcessesForRedirect(ResourceContext* resource_context, 271 const GURL& current_url, 272 const GURL& new_url); 273 274 // Returns true if the passed in URL should be assigned as the site of the 275 // current SiteInstance, if it does not yet have a site. 276 virtual bool ShouldAssignSiteForURL(const GURL& url); 277 278 // See CharacterEncoding's comment. 279 virtual std::string GetCanonicalEncodingNameByAliasName( 280 const std::string& alias_name); 281 282 // Allows the embedder to pass extra command line flags. 283 // switches::kProcessType will already be set at this point. 284 virtual void AppendExtraCommandLineSwitches(base::CommandLine* command_line, 285 int child_process_id) {} 286 287 // Returns the locale used by the application. 288 // This is called on the UI and IO threads. 289 virtual std::string GetApplicationLocale(); 290 291 // Returns the languages used in the Accept-Languages HTTP header. 292 // (Not called GetAcceptLanguages so it doesn't clash with win32). 293 virtual std::string GetAcceptLangs(BrowserContext* context); 294 295 // Returns the default favicon. The callee doesn't own the given bitmap. 296 virtual gfx::ImageSkia* GetDefaultFavicon(); 297 298 // Allow the embedder to control if an AppCache can be used for the given url. 299 // This is called on the IO thread. 300 virtual bool AllowAppCache(const GURL& manifest_url, 301 const GURL& first_party, 302 ResourceContext* context); 303 304 // Allow the embedder to control if the given cookie can be read. 305 // This is called on the IO thread. 306 virtual bool AllowGetCookie(const GURL& url, 307 const GURL& first_party, 308 const net::CookieList& cookie_list, 309 ResourceContext* context, 310 int render_process_id, 311 int render_frame_id); 312 313 // Allow the embedder to control if the given cookie can be set. 314 // This is called on the IO thread. 315 virtual bool AllowSetCookie(const GURL& url, 316 const GURL& first_party, 317 const std::string& cookie_line, 318 ResourceContext* context, 319 int render_process_id, 320 int render_frame_id, 321 net::CookieOptions* options); 322 323 // This is called on the IO thread. 324 virtual bool AllowSaveLocalState(ResourceContext* context); 325 326 // Allow the embedder to control if access to web database by a shared worker 327 // is allowed. |render_frame| is a vector of pairs of 328 // RenderProcessID/RenderFrameID of RenderFrame that are using this worker. 329 // This is called on the IO thread. 330 virtual bool AllowWorkerDatabase( 331 const GURL& url, 332 const base::string16& name, 333 const base::string16& display_name, 334 unsigned long estimated_size, 335 ResourceContext* context, 336 const std::vector<std::pair<int, int> >& render_frames); 337 338 // Allow the embedder to control if access to file system by a shared worker 339 // is allowed. 340 // This is called on the IO thread. 341 virtual bool AllowWorkerFileSystem( 342 const GURL& url, 343 ResourceContext* context, 344 const std::vector<std::pair<int, int> >& render_frames); 345 346 // Allow the embedder to control if access to IndexedDB by a shared worker 347 // is allowed. 348 // This is called on the IO thread. 349 virtual bool AllowWorkerIndexedDB( 350 const GURL& url, 351 const base::string16& name, 352 ResourceContext* context, 353 const std::vector<std::pair<int, int> >& render_frames); 354 355 // Allow the embedder to override the request context based on the URL for 356 // certain operations, like cookie access. Returns NULL to indicate the 357 // regular request context should be used. 358 // This is called on the IO thread. 359 virtual net::URLRequestContext* OverrideRequestContextForURL( 360 const GURL& url, ResourceContext* context); 361 362 // Allow the embedder to specify a string version of the storage partition 363 // config with a site. 364 virtual std::string GetStoragePartitionIdForSite( 365 content::BrowserContext* browser_context, 366 const GURL& site); 367 368 // Allows the embedder to provide a validation check for |partition_id|s. 369 // This domain of valid entries should match the range of outputs for 370 // GetStoragePartitionIdForChildProcess(). 371 virtual bool IsValidStoragePartitionId(BrowserContext* browser_context, 372 const std::string& partition_id); 373 374 // Allows the embedder to provide a storage parititon configuration for a 375 // site. A storage partition configuration includes a domain of the embedder's 376 // choice, an optional name within that domain, and whether the partition is 377 // in-memory only. 378 // 379 // If |can_be_default| is false, the caller is telling the embedder that the 380 // |site| is known to not be in the default partition. This is useful in 381 // some shutdown situations where the bookkeeping logic that maps sites to 382 // their partition configuration are no longer valid. 383 // 384 // The |partition_domain| is [a-z]* UTF-8 string, specifying the domain in 385 // which partitions live (similar to namespace). Within a domain, partitions 386 // can be uniquely identified by the combination of |partition_name| and 387 // |in_memory| values. When a partition is not to be persisted, the 388 // |in_memory| value must be set to true. 389 virtual void GetStoragePartitionConfigForSite( 390 content::BrowserContext* browser_context, 391 const GURL& site, 392 bool can_be_default, 393 std::string* partition_domain, 394 std::string* partition_name, 395 bool* in_memory); 396 397 // Create and return a new quota permission context. 398 virtual QuotaPermissionContext* CreateQuotaPermissionContext(); 399 400 // Informs the embedder that a certificate error has occured. If 401 // |overridable| is true and if |strict_enforcement| is false, the user 402 // can ignore the error and continue. The embedder can call the callback 403 // asynchronously. If |result| is not set to 404 // CERTIFICATE_REQUEST_RESULT_TYPE_CONTINUE, the request will be cancelled 405 // or denied immediately, and the callback won't be run. 406 virtual void AllowCertificateError( 407 int render_process_id, 408 int render_frame_id, 409 int cert_error, 410 const net::SSLInfo& ssl_info, 411 const GURL& request_url, 412 ResourceType::Type resource_type, 413 bool overridable, 414 bool strict_enforcement, 415 const base::Callback<void(bool)>& callback, 416 CertificateRequestResultType* result) {} 417 418 // Selects a SSL client certificate and returns it to the |callback|. If no 419 // certificate was selected NULL is returned to the |callback|. 420 virtual void SelectClientCertificate( 421 int render_process_id, 422 int render_frame_id, 423 const net::HttpNetworkSession* network_session, 424 net::SSLCertRequestInfo* cert_request_info, 425 const base::Callback<void(net::X509Certificate*)>& callback) {} 426 427 // Adds a new installable certificate or private key. 428 // Typically used to install an X.509 user certificate. 429 // Note that it's up to the embedder to verify that the data is 430 // well-formed. |cert_data| will be NULL if file_size is 0. 431 virtual void AddCertificate( 432 net::URLRequest* request, 433 net::CertificateMimeType cert_type, 434 const void* cert_data, 435 size_t cert_size, 436 int render_process_id, 437 int render_view_id) {} 438 439 // Returns a class to get notifications about media event. The embedder can 440 // return NULL if they're not interested. 441 virtual MediaObserver* GetMediaObserver(); 442 443 // Asks permission to show desktop notifications. |callback| needs to be run 444 // when the user approves the request. 445 virtual void RequestDesktopNotificationPermission( 446 const GURL& source_origin, 447 RenderFrameHost* render_frame_host, 448 base::Closure& callback) {} 449 450 // Checks if the given page has permission to show desktop notifications. 451 // This is called on the IO thread. 452 virtual blink::WebNotificationPresenter::Permission 453 CheckDesktopNotificationPermission( 454 const GURL& source_url, 455 ResourceContext* context, 456 int render_process_id); 457 458 // Show a desktop notification. If |cancel_callback| is non-null, it's set to 459 // a callback which can be used to cancel the notification. 460 virtual void ShowDesktopNotification( 461 const ShowDesktopNotificationHostMsgParams& params, 462 RenderFrameHost* render_frame_host, 463 DesktopNotificationDelegate* delegate, 464 base::Closure* cancel_callback) {} 465 466 // Returns true if the given page is allowed to open a window of the given 467 // type. If true is returned, |no_javascript_access| will indicate whether 468 // the window that is created should be scriptable/in the same process. 469 // This is called on the IO thread. 470 virtual bool CanCreateWindow(const GURL& opener_url, 471 const GURL& opener_top_level_frame_url, 472 const GURL& source_origin, 473 WindowContainerType container_type, 474 const GURL& target_url, 475 const content::Referrer& referrer, 476 WindowOpenDisposition disposition, 477 const blink::WebWindowFeatures& features, 478 bool user_gesture, 479 bool opener_suppressed, 480 content::ResourceContext* context, 481 int render_process_id, 482 bool is_guest, 483 int opener_id, 484 bool* no_javascript_access); 485 486 // Returns a title string to use in the task manager for a process host with 487 // the given URL, or the empty string to fall back to the default logic. 488 // This is called on the IO thread. 489 virtual std::string GetWorkerProcessTitle(const GURL& url, 490 ResourceContext* context); 491 492 // Notifies the embedder that the ResourceDispatcherHost has been created. 493 // This is when it can optionally add a delegate. 494 virtual void ResourceDispatcherHostCreated() {} 495 496 // Allows the embedder to return a delegate for the SpeechRecognitionManager. 497 // The delegate will be owned by the manager. It's valid to return NULL. 498 virtual SpeechRecognitionManagerDelegate* 499 GetSpeechRecognitionManagerDelegate(); 500 501 // Getters for common objects. 502 virtual net::NetLog* GetNetLog(); 503 504 // Creates a new AccessTokenStore for gelocation. 505 virtual AccessTokenStore* CreateAccessTokenStore(); 506 507 // Returns true if fast shutdown is possible. 508 virtual bool IsFastShutdownPossible(); 509 510 // Called by WebContents to override the WebKit preferences that are used by 511 // the renderer. The content layer will add its own settings, and then it's up 512 // to the embedder to update it if it wants. 513 virtual void OverrideWebkitPrefs(RenderViewHost* render_view_host, 514 const GURL& url, 515 WebPreferences* prefs) {} 516 517 // Inspector setting was changed and should be persisted. 518 virtual void UpdateInspectorSetting(RenderViewHost* rvh, 519 const std::string& key, 520 const std::string& value) {} 521 522 // Notifies that BrowserURLHandler has been created, so that the embedder can 523 // optionally add their own handlers. 524 virtual void BrowserURLHandlerCreated(BrowserURLHandler* handler) {} 525 526 // Clears browser cache. 527 virtual void ClearCache(RenderViewHost* rvh) {} 528 529 // Clears browser cookies. 530 virtual void ClearCookies(RenderViewHost* rvh) {} 531 532 // Returns the default download directory. 533 // This can be called on any thread. 534 virtual base::FilePath GetDefaultDownloadDirectory(); 535 536 // Returns the default filename used in downloads when we have no idea what 537 // else we should do with the file. 538 virtual std::string GetDefaultDownloadName(); 539 540 // Notification that a pepper plugin has just been spawned. This allows the 541 // embedder to add filters onto the host to implement interfaces. 542 // This is called on the IO thread. 543 virtual void DidCreatePpapiPlugin(BrowserPpapiHost* browser_host) {} 544 545 // Gets the host for an external out-of-process plugin. 546 virtual content::BrowserPpapiHost* GetExternalBrowserPpapiHost( 547 int plugin_child_id); 548 549 // Returns true if the socket operation specified by |params| is allowed from 550 // the given |browser_context| and |url|. If |params| is NULL, this method 551 // checks the basic "socket" permission, which is for those operations that 552 // don't require a specific socket permission rule. 553 // |private_api| indicates whether this permission check is for the private 554 // Pepper socket API or the public one. 555 virtual bool AllowPepperSocketAPI(BrowserContext* browser_context, 556 const GURL& url, 557 bool private_api, 558 const SocketPermissionRequest* params); 559 560 // Returns an implementation of a file selecition policy. Can return NULL. 561 virtual ui::SelectFilePolicy* CreateSelectFilePolicy( 562 WebContents* web_contents); 563 564 // Returns additional allowed scheme set which can access files in 565 // FileSystem API. 566 virtual void GetAdditionalAllowedSchemesForFileSystem( 567 std::vector<std::string>* additional_schemes) {} 568 569 // Returns auto mount handlers for URL requests for FileSystem APIs. 570 virtual void GetURLRequestAutoMountHandlers( 571 std::vector<fileapi::URLRequestAutoMountHandler>* handlers) {} 572 573 // Returns additional file system backends for FileSystem API. 574 // |browser_context| is needed in the additional FileSystemBackends. 575 // It has mount points to create objects returned by additional 576 // FileSystemBackends, and SpecialStoragePolicy for permission granting. 577 virtual void GetAdditionalFileSystemBackends( 578 BrowserContext* browser_context, 579 const base::FilePath& storage_partition_path, 580 ScopedVector<fileapi::FileSystemBackend>* additional_backends) {} 581 582 // Allows an embedder to return its own LocationProvider implementation. 583 // Return NULL to use the default one for the platform to be created. 584 // FYI: Used by an external project; please don't remove. 585 // Contact Viatcheslav Ostapenko at sl.ostapenko@samsung.com for more 586 // information. 587 virtual LocationProvider* OverrideSystemLocationProvider(); 588 589 // Allows an embedder to return its own VibrationProvider implementation. 590 // Return NULL to use the default one for the platform to be created. 591 // FYI: Used by an external project; please don't remove. 592 // Contact Viatcheslav Ostapenko at sl.ostapenko@samsung.com for more 593 // information. 594 virtual VibrationProvider* OverrideVibrationProvider(); 595 596#if defined(OS_POSIX) && !defined(OS_MACOSX) 597 // Populates |mappings| with all files that need to be mapped before launching 598 // a child process. 599 virtual void GetAdditionalMappedFilesForChildProcess( 600 const base::CommandLine& command_line, 601 int child_process_id, 602 std::vector<FileDescriptorInfo>* mappings) {} 603#endif 604 605#if defined(OS_WIN) 606 // Returns the name of the dll that contains cursors and other resources. 607 virtual const wchar_t* GetResourceDllName(); 608 609 // This is called on the PROCESS_LAUNCHER thread before the renderer process 610 // is launched. It gives the embedder a chance to add loosen the sandbox 611 // policy. 612 virtual void PreSpawnRenderer(sandbox::TargetPolicy* policy, 613 bool* success) {} 614#endif 615 616 // Returns true if plugin referred to by the url can use 617 // pp::FileIO::RequestOSFileHandle. 618 virtual bool IsPluginAllowedToCallRequestOSFileHandle( 619 content::BrowserContext* browser_context, 620 const GURL& url); 621 622 // Returns true if dev channel APIs are available for plugins. 623 virtual bool IsPluginAllowedToUseDevChannelAPIs(); 624 625 // Returns a special cookie store to use for a given render process, or NULL 626 // if the default cookie store should be used 627 // This is called on the IO thread. 628 virtual net::CookieStore* OverrideCookieStoreForRenderProcess( 629 int render_process_id_); 630 631#if defined(VIDEO_HOLE) 632 // Allows an embedder to provide its own ExternalVideoSurfaceContainer 633 // implementation. Return NULL to disable external surface video. 634 virtual ExternalVideoSurfaceContainer* 635 OverrideCreateExternalVideoSurfaceContainer(WebContents* web_contents); 636#endif 637}; 638 639} // namespace content 640 641#endif // CONTENT_PUBLIC_BROWSER_CONTENT_BROWSER_CLIENT_H_ 642