Decouple Media Service

content/common/gpu/gpu_channel.h

Index: content/common/gpu/gpu_channel.h
diff --git a/content/common/gpu/gpu_channel.h b/content/common/gpu/gpu_channel.h
index 5ec0a647425b22e170e0db049733d6a4daf28a9c..401c4f4c5413cc2493466e50148a877545530003 100644
--- a/content/common/gpu/gpu_channel.h
+++ b/content/common/gpu/gpu_channel.h
@@ -57,7 +57,6 @@ namespace content {
 class GpuChannelManager;
 class GpuChannelMessageFilter;
 class GpuChannelMessageQueue;
-class GpuJpegDecodeAccelerator;
 class GpuWatchdog;
 
 // Encapsulates an IPC channel between the GPU process and one renderer
@@ -87,6 +86,8 @@ class CONTENT_EXPORT GpuChannel
   // the returned handle and is responsible for closing it.
   virtual IPC::ChannelHandle Init(base::WaitableEvent* shutdown_event);
 
+  void SetUnhandledMessageListener(IPC::Listener* listener);
+
   // Get the GpuChannelManager that owns this channel.
   GpuChannelManager* gpu_channel_manager() const {
     return gpu_channel_manager_;
@@ -100,6 +101,8 @@ class CONTENT_EXPORT GpuChannel
 
   uint64_t client_tracing_id() const { return client_tracing_id_; }
 
+  base::WeakPtr<GpuChannel> AsWeakPtr();
+
   scoped_refptr<base::SingleThreadTaskRunner> io_task_runner() const {
     return io_task_runner_;
   }
@@ -147,14 +150,13 @@ class CONTENT_EXPORT GpuChannel
   void HandleUpdateValueState(unsigned int target,
                               const gpu::ValueState& state);
 
+  GpuChannelMessageFilter* filter() const { return filter_.get(); }
+
   // Visible for testing.
   const gpu::ValueStateMap* pending_valuebuffer_state() const {
     return pending_valuebuffer_state_.get();
   }
 
-  // Visible for testing.
-  GpuChannelMessageFilter* filter() const { return filter_.get(); }
-
   // Returns the global order number for the last processed IPC message.
   uint32_t GetProcessedOrderNum() const;
 
@@ -218,7 +220,6 @@ class CONTENT_EXPORT GpuChannel
       int32_t route_id,
       bool* succeeded);
   void OnDestroyCommandBuffer(int32_t route_id);
-  void OnCreateJpegDecoder(int32_t route_id, IPC::Message* reply_msg);
 
   bool CreateCommandBuffer(const gfx::GLSurfaceHandle& window,
                            const gfx::Size& size,
@@ -236,6 +237,8 @@ class CONTENT_EXPORT GpuChannel
 
   scoped_ptr<IPC::SyncChannel> channel_;
 
+  IPC::Listener* unhandled_message_listener_;
+
   // Uniquely identifies the channel within this GPU process.
   std::string channel_id_;
 
@@ -270,8 +273,6 @@ class CONTENT_EXPORT GpuChannel
 
   scoped_refptr<gpu::ValueStateMap> pending_valuebuffer_state_;
 
-  scoped_ptr<GpuJpegDecodeAccelerator> jpeg_decoder_;
-
   gpu::gles2::DisallowedFeatures disallowed_features_;
   GpuWatchdog* const watchdog_;