gpu: Compositor management of GpuMemoryBuffer instances.

content/renderer/render_thread_impl.h

 // Copyright (c) 2012 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_RENDERER_RENDER_THREAD_IMPL_H_
 #define CONTENT_RENDERER_RENDER_THREAD_IMPL_H_
 
 #include <set>
 #include <string>
 #include <vector>
@@ skipping 395 matching lines @@
   // GpuChannelHostFactory implementation:
   virtual bool IsMainThread() override;
   virtual base::MessageLoop* GetMainLoop() override;
   virtual scoped_refptr<base::MessageLoopProxy> GetIOLoopProxy() override;
   virtual scoped_ptr<base::SharedMemory> AllocateSharedMemory(
       size_t size) override;
   virtual CreateCommandBufferResult CreateViewCommandBuffer(
       int32 surface_id,
       const GPUCreateCommandBufferConfig& init_params,
       int32 route_id) override;
-  virtual scoped_ptr<gfx::GpuMemoryBuffer> AllocateGpuMemoryBuffer(
-      size_t width,
-      size_t height,
-      unsigned internalformat,
-      unsigned usage) override;
 
   void Init();
 
   void OnCreateNewFrame(int routing_id, int parent_routing_id);
   void OnCreateNewFrameProxy(int routing_id,
                              int parent_routing_id,
                              int render_view_routing_id);
   void OnSetZoomLevelForCurrentURL(const std::string& scheme,
                                    const std::string& host,
                                    double zoom_level);
@@ skipping 121 matching lines @@
   scoped_ptr<media::AudioHardwareConfig> audio_hardware_config_;
 
   HistogramCustomizer histogram_customizer_;
 
   scoped_ptr<base::MemoryPressureListener> memory_pressure_listener_;
 
 #if defined(ENABLE_WEBRTC)
   scoped_ptr<WebRTCIdentityService> webrtc_identity_service_;
 #endif
 
-  // TODO(reveman): Allow AllocateGpuMemoryBuffer to be called from
-  // multiple threads. Current allocation mechanism for IOSurface
-  // backed GpuMemoryBuffers prevent this. crbug.com/325045
-  base::ThreadChecker allocate_gpu_memory_buffer_thread_checker_;
-
   scoped_ptr<MemoryObserver> memory_observer_;
 
   scoped_refptr<base::SingleThreadTaskRunner>
       main_thread_compositor_task_runner_;
 
   // Compositor settings
   bool is_gpu_rasterization_enabled_;
   bool is_gpu_rasterization_forced_;
   bool is_impl_side_painting_enabled_;
   bool is_lcd_text_enabled_;
   bool is_distance_field_text_enabled_;
   bool is_zero_copy_enabled_;
   bool is_one_copy_enabled_;
 
   std::map<int, mojo::MessagePipeHandle> pending_render_frame_connects_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderThreadImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_RENDER_THREAD_IMPL_H_