gpu: Replace GpuMsg_GpuSwitched with mojom api.

services/ui/gpu/gpu_service.cc

 // 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.
 
 #include "services/ui/gpu/gpu_service.h"
 
 #include "base/bind.h"
 #include "base/debug/crash_logging.h"
 #include "base/lazy_instance.h"
 #include "base/memory/shared_memory.h"
@@ skipping 416 matching lines @@
   }
 #if defined(OS_ANDROID)
   if (!gpu_channel_manager_)
     return;
   gpu_channel_manager_->WakeUpGpu();
 #else
   NOTREACHED() << "WakeUpGpu() not supported on this platform.";
 #endif
 }
 
+void GpuService::GpuSwitched() {
+  DVLOG(1) << "GPU: GPU has switched";
+  if (!in_host_process_)
+    ui::GpuSwitchingManager::GetInstance()->NotifyGpuSwitched();
+}
+
 void GpuService::DestroyAllChannels() {
   if (io_runner_->BelongsToCurrentThread()) {
     main_runner_->PostTask(
         FROM_HERE, base::Bind(&GpuService::DestroyAllChannels, weak_ptr_));
     return;
   }
   if (!gpu_channel_manager_)
     return;
   DVLOG(1) << "GPU: Removing all contexts";
   gpu_channel_manager_->DestroyAllChannels();
@@ skipping 32 matching lines @@
 
 void GpuService::Stop(const StopCallback& callback) {
   DCHECK(io_runner_->BelongsToCurrentThread());
   main_runner_->PostTaskAndReply(FROM_HERE, base::Bind([] {
                                    base::MessageLoop::current()->QuitWhenIdle();
                                  }),
                                  callback);
 }
 
 }  // namespace ui