Add VideoPacket struct for video packets. Refactor Decode interface to use it.

remoting/base/decoder_vp8.h

Index: remoting/base/decoder_vp8.h
diff --git a/remoting/base/decoder_vp8.h b/remoting/base/decoder_vp8.h
index dfef0b7293af428f484d386ac85d311258a9dedd..cccfdaff34a689423e7ca9fba51669da62b1cce9 100644
--- a/remoting/base/decoder_vp8.h
+++ b/remoting/base/decoder_vp8.h
@@ -17,17 +17,11 @@ class DecoderVp8 : public Decoder {
   virtual ~DecoderVp8();
 
   // Decoder implementations.
-  virtual void Initialize(scoped_refptr<media::VideoFrame> frame,
-                          const gfx::Rect& clip, int bytes_per_src_pixel);
-
-  virtual void Reset();
-
-  // Feeds more data into the decoder.
-  virtual void DecodeBytes(const std::string& encoded_bytes);
-
-  // Returns true if decoder is ready to accept data via ProcessRectangleData.
+  virtual void Initialize(scoped_refptr<media::VideoFrame> frame);
+  virtual DecodeResult DecodePacket(const VideoPacket* packet);
+  virtual UpdatedRects* GetUpdatedRects();
   virtual bool IsReadyForData();
-
+  virtual void Reset();
   virtual VideoPacketFormat::Encoding Encoding();
 
  private: