Add embedder api for participating in gpu logic

content/browser/gpu/gpu_process_host.h

 // Copyright (c) 2012 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 CONTENT_BROWSER_GPU_GPU_PROCESS_HOST_H_
 #define CONTENT_BROWSER_GPU_GPU_PROCESS_HOST_H_
 
 #include <stdint.h>
 
 #include <map>
@@ skipping 77 matching lines @@
   // Helper function to send the given message to the GPU process on the IO
   // thread.  Calls Get and if a host is returned, sends it.  Can be called from
   // any thread.  Deletes the message if it cannot be sent.
   CONTENT_EXPORT static void SendOnIO(GpuProcessKind kind,
                                       CauseForGpuLaunch cause,
                                       IPC::Message* message);
 
   CONTENT_EXPORT static void RegisterGpuMainThreadFactory(
       GpuMainThreadFactoryFunction create);
 
+  // BrowserChildProcessHostDelegate implementation.
+  ServiceRegistry* GetServiceRegistry() override;
+
   // Get the GPU process host for the GPU process with the given ID. Returns
   // null if the process no longer exists.
   static GpuProcessHost* FromID(int host_id);
   int host_id() const { return host_id_; }
 
   // IPC::Sender implementation.
   bool Send(IPC::Message* msg) override;
 
   // Adds a message filter to the GpuProcessHost's channel.
   void AddFilter(IPC::MessageFilter* filter);
@@ skipping 56 matching lines @@
 
   // Post an IPC message to the UI shim's message handler on the UI thread.
   void RouteOnUIThread(const IPC::Message& message);
 
   // BrowserChildProcessHostDelegate implementation.
   bool OnMessageReceived(const IPC::Message& message) override;
   void OnChannelConnected(int32_t peer_pid) override;
   void OnProcessLaunched() override;
   void OnProcessLaunchFailed() override;
   void OnProcessCrashed(int exit_code) override;
-  ServiceRegistry* GetServiceRegistry() override;
 
   // Message handlers.
   void OnInitialized(bool result, const gpu::GPUInfo& gpu_info);
   void OnChannelEstablished(const IPC::ChannelHandle& channel_handle);
   void OnGpuMemoryBufferCreated(const gfx::GpuMemoryBufferHandle& handle);
   void OnDidCreateOffscreenContext(const GURL& url);
   void OnDidLoseContext(bool offscreen,
                         gpu::error::ContextLostReason reason,
                         const GURL& url);
   void OnDidDestroyOffscreenContext(const GURL& url);
@@ skipping 97 matching lines @@
   // Browser-side Mojo endpoint which sets up a Mojo channel with the child
   // process and contains the browser's ServiceRegistry.
   scoped_ptr<MojoApplicationHost> mojo_application_host_;
 
   DISALLOW_COPY_AND_ASSIGN(GpuProcessHost);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_GPU_GPU_PROCESS_HOST_H_