GpuService: introduce GetGpuMemoryBufferAttribs as a mojo interface

services/ui/gpu/gpu_service.h

 // Copyright 2016 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 SERVICES_UI_GPU_GPU_SERVICE_H_
 #define SERVICES_UI_GPU_GPU_SERVICE_H_
 
 #include "base/callback.h"
 #include "base/synchronization/waitable_event.h"
 #include "base/task/cancelable_task_tracker.h"
@@ skipping 121 matching lines @@
       gfx::GpuMemoryBufferId id,
       const gfx::Size& size,
       gfx::BufferFormat format,
       gfx::BufferUsage usage,
       int client_id,
       gpu::SurfaceHandle surface_handle,
       const CreateGpuMemoryBufferCallback& callback) override;
   void DestroyGpuMemoryBuffer(gfx::GpuMemoryBufferId id,
                               int client_id,
                               const gpu::SyncToken& sync_token) override;
+  void GetGpuMemoryBufferAttribs(
+      const GetGpuMemoryBufferAttribsCallback& callback) override;
   void GetVideoMemoryUsageStats(
       const GetVideoMemoryUsageStatsCallback& callback) override;
   void RequestCompleteGpuInfo(
       const RequestCompleteGpuInfoCallback& callback) override;
   void LoadedShader(const std::string& data) override;
   void DestroyingVideoSurface(
       int32_t surface_id,
       const DestroyingVideoSurfaceCallback& callback) override;
   void WakeUpGpu() override;
   void GpuSwitched() override;
@@ skipping 11 matching lines @@
   std::unique_ptr<gpu::GpuMemoryBufferFactory> gpu_memory_buffer_factory_;
 
   gpu::GpuPreferences gpu_preferences_;
 
   // Information about the GPU, such as device and vendor ID.
   gpu::GPUInfo gpu_info_;
 
   // Information about general chrome feature support for the GPU.
   gpu::GpuFeatureInfo gpu_feature_info_;
 
+  // GpuMemoryBufferAttribs that are supported for all gfx::BufferUsage flags.
+  gfx::GpuMemoryBufferAttribVector gpu_memory_buffer_attribs_;
+
   scoped_refptr<mojom::ThreadSafeGpuHostPtr> gpu_host_;
   std::unique_ptr<gpu::GpuChannelManager> gpu_channel_manager_;
   std::unique_ptr<media::MediaGpuChannelManager> media_gpu_channel_manager_;
 
   // On some platforms (e.g. android webview), the SyncPointManager comes from
   // external sources.
   std::unique_ptr<gpu::SyncPointManager> owned_sync_point_manager_;
   gpu::SyncPointManager* sync_point_manager_ = nullptr;
 
   // An event that will be signalled when we shutdown. On some platforms it
@@ skipping 11 matching lines @@
 
   base::WeakPtr<GpuService> weak_ptr_;
   base::WeakPtrFactory<GpuService> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(GpuService);
 };
 
 }  // namespace ui
 
 #endif  // SERVICES_UI_GPU_GPU_SERVICE_H_