Add initialization callback support for Video Decoder PPAPI.

media/video/video_decode_accelerator.h

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef MEDIA_VIDEO_VIDEO_DECODE_ACCELERATOR_H_
 #define MEDIA_VIDEO_VIDEO_DECODE_ACCELERATOR_H_
 
 #include <vector>
 
 #include "base/basictypes.h"
@@ skipping 171 matching lines @@
     // Callback to tell client how many and what size of buffers to provide.
     virtual void ProvidePictureBuffers(
         uint32 requested_num_of_buffers, const gfx::Size& dimensions) = 0;
 
     // Callback to dismiss picture buffer that was assigned earlier.
     virtual void DismissPictureBuffer(int32 picture_buffer_id) = 0;
 
     // Callback to deliver decoded pictures ready to be displayed.
     virtual void PictureReady(const Picture& picture) = 0;
 
+    // Callback to notify client that decoder has been initialized.

[Ami GONE FROM CHROMIUM, 2011/05/23 21:39:02]

Move above PPB?

+    virtual void NotifyInitializeDone() = 0;
+
     // Callback to notify that decoder has decoded end of stream marker and has
     // outputted all displayable pictures.
     virtual void NotifyEndOfStream() = 0;
 
     // Callback to notify that decoded has decoded the end of the current
     // bitstream buffer.
     virtual void NotifyEndOfBitstreamBuffer(int32 bitstream_buffer_id) = 0;
 
     // Callback to notify that the outstanding flush has finished.
     virtual void NotifyFlushDone() = 0;
@@ skipping 68 matching lines @@
   // been finished. After abort all buffers can be considered dismissed, even
   // when there has not been callbacks to dismiss them.
   //
   // Returns true when command successfully accepted. Otherwise false.
   virtual bool Abort() = 0;
 };
 
 }  // namespace media
 
 #endif  // MEDIA_VIDEO_VIDEO_DECODE_ACCELERATOR_H_