gpu: Use mojom.GpuService API for memory allocation.

content/browser/gpu/gpu_process_host.h

Index: content/browser/gpu/gpu_process_host.h
diff --git a/content/browser/gpu/gpu_process_host.h b/content/browser/gpu/gpu_process_host.h
index 5d52b91ba33b02488e050e7a2600918a9b344db3..149bd4dcf5f4f191113d91b40a160dc4b90a567a 100644
--- a/content/browser/gpu/gpu_process_host.h
+++ b/content/browser/gpu/gpu_process_host.h
@@ -191,12 +191,12 @@ class GpuProcessHost : public BrowserChildProcessHostDelegate,
   void OnChannelEstablished(int client_id,
                             const EstablishChannelCallback& callback,
                             mojo::ScopedMessagePipeHandle channel_handle);
+  void OnGpuMemoryBufferCreated(const gfx::GpuMemoryBufferHandle& handle);
 
   // Message handlers.
   void OnInitialized(bool result,
                      const gpu::GPUInfo& gpu_info,
                      const gpu::GpuFeatureInfo& gpu_feature_info);
-  void OnGpuMemoryBufferCreated(const gfx::GpuMemoryBufferHandle& handle);
 #if defined(OS_ANDROID)
   void OnDestroyingVideoSurfaceAck(int surface_id);
 #endif