gpu: Replace GpuMsg_GpuSwitched with mojom api.

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/threading/non_thread_safe.h"
@@ skipping 128 matching lines @@
                               const gpu::SyncToken& sync_token) 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;
   void DestroyAllChannels() override;
   void Crash() override;
   void Hang() override;
   void ThrowJavaException() override;
   void Stop(const StopCallback& callback) override;
 
   scoped_refptr<base::SingleThreadTaskRunner> main_runner_;
   scoped_refptr<base::SingleThreadTaskRunner> io_runner_;
 
   // An event that will be signalled when we shutdown.
@@ skipping 28 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_