cc: Implement shared worker contexts. (v1)

content/browser/android/in_process/context_provider_in_process.h

 // Copyright (c) 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CONTENT_BROWSER_ANDROID_IN_PROCESS_CONTEXT_PROVIDER_IN_PROCESS_H_
 #define CONTENT_BROWSER_ANDROID_IN_PROCESS_CONTEXT_PROVIDER_IN_PROCESS_H_
 
 #include <string>
 
 #include "base/macros.h"
@@ skipping 41 matching lines @@
   void SetupLock() override;
   base::Lock* GetLock() override;
   void VerifyContexts() override;
   void DeleteCachedResources() override;
   bool DestroyedOnMainThread() override;
   void SetLostContextCallback(
       const LostContextCallback& lost_context_callback) override;
   void SetMemoryPolicyChangedCallback(
       const MemoryPolicyChangedCallback& memory_policy_changed_callback)
       override;
+  bool HasBeenDestroyed() override;
 
   void OnLostContext();
   void InitializeCapabilities();
 
   base::ThreadChecker main_thread_checker_;
   base::ThreadChecker context_thread_checker_;
 
   scoped_ptr<gpu_blink::WebGraphicsContext3DInProcessCommandBufferImpl>
       context3d_;
   scoped_ptr<GrContextForWebGraphicsContext3D> gr_context_;
 
   LostContextCallback lost_context_callback_;
 
   base::Lock destroyed_lock_;
   bool destroyed_;
 
   base::Lock context_lock_;
   std::string debug_name_;
   class LostContextCallbackProxy;
   scoped_ptr<LostContextCallbackProxy> lost_context_callback_proxy_;
 
   cc::ContextProvider::Capabilities capabilities_;
 
   DISALLOW_COPY_AND_ASSIGN(ContextProviderInProcess);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_ANDROID_IN_PROCESS_CONTEXT_PROVIDER_IN_PROCESS_H_