viz: Use a simple GpuMemoryBufferManager implementation.

components/viz/service/display_compositor/gpu_display_provider.h

 // Copyright 2017 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 COMPONENTS_VIZ_SERVICE_DISPLAY_COMPOSITOR_GPU_DISPLAY_PROVIDER_H_
 #define COMPONENTS_VIZ_SERVICE_DISPLAY_COMPOSITOR_GPU_DISPLAY_PROVIDER_H_
 
 #include <memory>
 
 #include "base/compiler_specific.h"
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "cc/surfaces/frame_sink_id.h"
 #include "components/viz/service/display_compositor/display_provider.h"
 #include "components/viz/service/viz_service_export.h"
 #include "gpu/command_buffer/client/gpu_memory_buffer_manager.h"
 #include "gpu/ipc/common/surface_handle.h"
 #include "gpu/ipc/in_process_command_buffer.h"
 
 namespace gpu {
+class GpuChannelManager;
 class ImageFactory;
 }
 
 namespace viz {
 
 // In-process implementation of DisplayProvider.
 class VIZ_SERVICE_EXPORT GpuDisplayProvider
     : public NON_EXPORTED_BASE(DisplayProvider) {
  public:
   GpuDisplayProvider(
       scoped_refptr<gpu::InProcessCommandBuffer::Service> gpu_service,
-      std::unique_ptr<gpu::GpuMemoryBufferManager> gpu_memory_buffer_manager,
-      gpu::ImageFactory* image_factory);
+      gpu::GpuChannelManager* gpu_channel_manager);
   ~GpuDisplayProvider() override;
 
   // DisplayProvider:
   std::unique_ptr<cc::Display> CreateDisplay(
       const cc::FrameSinkId& frame_sink_id,
       gpu::SurfaceHandle surface_handle,
       std::unique_ptr<cc::BeginFrameSource>* begin_frame_source) override;
 
  private:
   scoped_refptr<gpu::InProcessCommandBuffer::Service> gpu_service_;
   std::unique_ptr<gpu::GpuMemoryBufferManager> gpu_memory_buffer_manager_;
   gpu::ImageFactory* image_factory_;
 
   scoped_refptr<base::SingleThreadTaskRunner> task_runner_;
 
   DISALLOW_COPY_AND_ASSIGN(GpuDisplayProvider);
 };
 
 }  // namespace viz
 
 #endif  //  COMPONENTS_VIZ_SERVICE_DISPLAY_COMPOSITOR_GPU_DISPLAY_PROVIDER_H_