Make VEA client of command buffer; move sync. IPC to VDA/VEA::Initialize()

content/common/gpu/media/android_video_decode_accelerator.h

Index: content/common/gpu/media/android_video_decode_accelerator.h
diff --git a/content/common/gpu/media/android_video_decode_accelerator.h b/content/common/gpu/media/android_video_decode_accelerator.h
index 35f7ae0caa6c437625a486f48eb1b638dcf783ac..cc963c83bf4a49442f29dbb7d2a4c2d7cb059363 100644
--- a/content/common/gpu/media/android_video_decode_accelerator.h
+++ b/content/common/gpu/media/android_video_decode_accelerator.h
@@ -77,9 +77,6 @@ class CONTENT_EXPORT AndroidVideoDecodeAccelerator
   // client.
   void DequeueOutput();
 
-  // Notifies the client that initialize was completed.
-  void NotifyInitializeDone();
-
   // Requests picture buffers from the client.
   void RequestPictureBuffers();
 
@@ -164,6 +161,9 @@ class CONTENT_EXPORT AndroidVideoDecodeAccelerator
   // Repeating timer responsible for draining pending IO to the codec.
   base::RepeatingTimer<AndroidVideoDecodeAccelerator> io_timer_;
 
+  // WeakPtrFactory for posting tasks back to |this|.
+  base::WeakPtrFactory<AndroidVideoDecodeAccelerator> weak_this_factory_;
+
   friend class AndroidVideoDecodeAcceleratorTest;
 };