Refactor client visibility handling

content/common/gpu/client/context_provider_command_buffer.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_COMMON_GPU_CLIENT_CONTEXT_PROVIDER_COMMAND_BUFFER_H_
 #define CONTENT_COMMON_GPU_CLIENT_CONTEXT_PROVIDER_COMMAND_BUFFER_H_
 
 #include <stdint.h>
 
 #include <memory>
@@ skipping 53 matching lines @@
   // Gives the GL internal format that should be used for calling CopyTexImage2D
   // on the default framebuffer.
   uint32_t GetCopyTextureInternalFormat();
 
   // cc::ContextProvider implementation.
   bool BindToCurrentThread() override;
   void DetachFromThread() override;
   gpu::gles2::GLES2Interface* ContextGL() override;
   gpu::ContextSupport* ContextSupport() override;
   class GrContext* GrContext() override;
+  cc::ContextCacheController* CacheController() override;
   void InvalidateGrContext(uint32_t state) override;
   base::Lock* GetLock() override;
   gpu::Capabilities ContextCapabilities() override;
-  void DeleteCachedResources() override;
   void SetLostContextCallback(
       const LostContextCallback& lost_context_callback) override;
 
   // Set the default task runner for command buffers to use for handling IPCs.
   // If not specified, this will be the ThreadTaskRunner for the thread on
   // which BindToThread is called.
   void SetDefaultTaskRunner(
       scoped_refptr<base::SingleThreadTaskRunner> default_task_runner);
 
  protected:
@@ skipping 33 matching lines @@
   scoped_refptr<gpu::GpuChannelHost> channel_;
   scoped_refptr<base::SingleThreadTaskRunner> default_task_runner_;
 
   base::Lock context_lock_;  // Referenced by command_buffer_.
   std::unique_ptr<gpu::CommandBufferProxyImpl> command_buffer_;
   std::unique_ptr<gpu::gles2::GLES2CmdHelper> gles2_helper_;
   std::unique_ptr<gpu::TransferBuffer> transfer_buffer_;
   std::unique_ptr<gpu::gles2::GLES2Implementation> gles2_impl_;
   std::unique_ptr<gpu::gles2::GLES2TraceImplementation> trace_impl_;
   std::unique_ptr<skia_bindings::GrContextForGLES2Interface> gr_context_;
+  std::unique_ptr<cc::ContextCacheController> cache_controller_;
 
   LostContextCallback lost_context_callback_;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_COMMON_GPU_CLIENT_CONTEXT_PROVIDER_COMMAND_BUFFER_H_