PPB_VideoDecoder_Dev::Initialize is now synchronous!

content/common/gpu/media/gpu_video_decode_accelerator.h

Index: content/common/gpu/media/gpu_video_decode_accelerator.h
diff --git a/content/common/gpu/media/gpu_video_decode_accelerator.h b/content/common/gpu/media/gpu_video_decode_accelerator.h
index 6c06432fe542d4f3b5b44d517b495779ce1643b7..e1d426129a7007bd8c451a8dcfb772c429e5bca6 100644
--- a/content/common/gpu/media/gpu_video_decode_accelerator.h
+++ b/content/common/gpu/media/gpu_video_decode_accelerator.h
@@ -43,8 +43,10 @@ class GpuVideoDecodeAccelerator
   // Function to delegate sending to actual sender.
   virtual bool Send(IPC::Message* message);
 
-  // Initialize the accelerator with the given configuration.
-  void Initialize(const std::vector<uint32>& configs);
+  // Initialize the accelerator with the given configuration and send the
+  // |init_done_msg| when done.
+  void Initialize(const std::vector<uint32>& configs,
+                  IPC::Message* init_done_msg);
 
  private:
 
@@ -63,6 +65,11 @@ class GpuVideoDecodeAccelerator
   // Pointer to the IPC message sender.
   IPC::Message::Sender* sender_;
 
+  // Message to Send() when initialization is done.  Is only non-NULL during
+  // initialization and is owned by the IPC channel underlying the
+  // GpuCommandBufferStub.
+  IPC::Message* init_done_msg_;
+
   // Route ID to communicate with the host.
   int32 host_route_id_;