Plumb extra_data() to VideoDecodeAccelerator

media/video/video_decode_accelerator.h

Index: media/video/video_decode_accelerator.h
diff --git a/media/video/video_decode_accelerator.h b/media/video/video_decode_accelerator.h
index 5fa0d2149348fd07854f14993ab2d3a0988b0c3a..8128094f9cb9defecda86a6818415910d9117bab 100644
--- a/media/video/video_decode_accelerator.h
+++ b/media/video/video_decode_accelerator.h
@@ -80,9 +80,15 @@ class MEDIA_EXPORT VideoDecodeAccelerator
   // Initializes the video decoder with specific configuration.
   // Parameters:
   //  |profile| is the video stream's format profile.
-  //
+  //  |frame_size| is the width and height of the video frame. This parameter
+  //  is optional and can be set to 0,0.
+  //  |extra_data| is the byte data required to initialize video decoders, for
+  //  example the H.264 AAVC data. This parameter is optional and can be set
+  //  to an empty vector.
   // Returns true when command successfully accepted. Otherwise false.
-  virtual bool Initialize(VideoCodecProfile profile) = 0;
+  virtual bool Initialize(VideoCodecProfile profile,
+                          const gfx::Size& frame_size,
+                          const std::vector<uint8_t>& extra_data) = 0;
 
   // Decodes given bitstream buffer. Once decoder is done with processing
   // |bitstream_buffer| it will call NotifyEndOfBitstreamBuffer() with the