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

remoting/base/decoder_row_based.h

Index: remoting/base/decoder_row_based.h
diff --git a/remoting/base/decoder_row_based.h b/remoting/base/decoder_row_based.h
index 2deb897dd1bdc5a4ff97e8af1f290651437f5ab7..8e1aab6c4bc4796ad96087820c31c0f09a86cef6 100644
--- a/remoting/base/decoder_row_based.h
+++ b/remoting/base/decoder_row_based.h
@@ -19,12 +19,12 @@ class DecoderRowBased : public Decoder {
   static DecoderRowBased* CreateVerbatimDecoder();
 
   // Decoder implementation.
-  virtual void Reset();
   virtual bool IsReadyForData();
-  virtual void Initialize(scoped_refptr<media::VideoFrame> frame,
-                          const gfx::Rect& clip, int bytes_per_src_pixel);
-  virtual void DecodeBytes(const std::string& encoded_bytes);
-  virtual VideoPacketFormat::Encoding Encoding() { return encoding_; }
+  virtual void Initialize(scoped_refptr<media::VideoFrame> frame);
+  virtual DecodeResult DecodePacket(const VideoPacket* packet);
+  virtual UpdatedRects* GetUpdatedRects();
+  virtual void Reset();
+  virtual VideoPacketFormat::Encoding Encoding();
 
   // TODO(hclam): Should make this into the Decoder interface.
   // TODO(ajwong): Before putting into the interface, we should decide if the
@@ -38,6 +38,8 @@ class DecoderRowBased : public Decoder {
   enum State {
     kUninitialized,
     kReady,
+    kProcessing,
+    kDone,
     kError,
   };
 
@@ -56,9 +58,6 @@ class DecoderRowBased : public Decoder {
   // The encoding of the incoming stream.
   VideoPacketFormat::Encoding encoding_;
 
-  // Number of bytes per pixel from source stream.
-  int bytes_per_src_pixel_;
-
   // The position in the row that we are updating.
   int row_pos_;