Make lost context and error message callbacks on GpuControl go to client

gpu/command_buffer/service/in_process_command_buffer.h

Index: gpu/command_buffer/service/in_process_command_buffer.h
diff --git a/gpu/command_buffer/service/in_process_command_buffer.h b/gpu/command_buffer/service/in_process_command_buffer.h
index af3956a29b312f72247ea789ff083df5d8bb98b0..a743f8e1eb2e90dd4c1ab822eb3fb1915310d1f4 100644
--- a/gpu/command_buffer/service/in_process_command_buffer.h
+++ b/gpu/command_buffer/service/in_process_command_buffer.h
@@ -92,7 +92,6 @@ class GPU_EXPORT InProcessCommandBuffer : public CommandBuffer,
                   const gfx::Size& size,
                   const std::vector<int32_t>& attribs,
                   gfx::GpuPreference gpu_preference,
-                  const base::Closure& context_lost_callback,
                   InProcessCommandBuffer* share_group,
                   GpuMemoryBufferManager* gpu_memory_buffer_manager,
                   ImageFactory* image_factory);
@@ -113,6 +112,8 @@ class GPU_EXPORT InProcessCommandBuffer : public CommandBuffer,
   gpu::error::Error GetLastError() override;
 
   // GpuControl implementation:
+  // NOTE: The GpuControlClient will be called on the GPU thread.
+  void SetGpuControlClient(GpuControlClient*) override;
   gpu::Capabilities GetCapabilities() override;
   int32_t CreateImage(ClientBuffer buffer,
                       size_t width,
@@ -249,6 +250,7 @@ class GPU_EXPORT InProcessCommandBuffer : public CommandBuffer,
 
   // Members accessed on the gpu thread (possibly with the exception of
   // creation):
+  GpuControlClient* gpu_control_client_;
   bool context_lost_;
   scoped_refptr<TransferBufferManagerInterface> transfer_buffer_manager_;
   scoped_ptr<CommandExecutor> executor_;