Moving the validation of bitstream_buffer into VDA implementations.

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 e70c09ee0dd354692b7a7257b28dae76690b8f8c..cf263bb8dbd2383c2068fe2996b65fd37deea2ce 100644
--- a/content/common/gpu/media/android_video_decode_accelerator.h
+++ b/content/common/gpu/media/android_video_decode_accelerator.h
@@ -166,6 +166,10 @@ class CONTENT_EXPORT AndroidVideoDecodeAccelerator
   // Requests picture buffers from the client.
   void RequestPictureBuffers();
 
+  // Decode the content in the |bitstream_buffer|. Note that a
+  // |bitstream_buffer| of id as -1 indicates a flush command.
+  void DecodeBuffer(const media::BitstreamBuffer& bitstream_buffer);
+
   // This callback is called after CDM obtained a MediaCrypto object.
   void OnMediaCryptoReady(media::MediaDrmBridge::JavaObjectPtr media_crypto,
                           bool needs_protected_surface);