Simplify FrameConsumer interface. Remove FrameProducer interface.

remoting/codec/video_decoder.h

Index: remoting/codec/video_decoder.h
diff --git a/remoting/codec/video_decoder.h b/remoting/codec/video_decoder.h
index b3048a90885bbc72f1d60e8b0164d4db835b9cf6..378abb0098cd9d6697ce60a6e0f04ec682bb5943 100644
--- a/remoting/codec/video_decoder.h
+++ b/remoting/codec/video_decoder.h
@@ -18,6 +18,7 @@ namespace remoting {
 
 // Interface for a decoder that takes a stream of bytes from the network and
 // outputs frames of data.
+// TODO(sergeyu): Simplify this interface.
 class VideoDecoder {
  public:
   static const int kBytesPerPixel = 4;
@@ -25,10 +26,6 @@ class VideoDecoder {
   VideoDecoder() {}
   virtual ~VideoDecoder() {}
 
-  // Initializes the decoder and sets the output dimensions.
-  // |screen size| must not be empty.
-  virtual void Initialize(const webrtc::DesktopSize& screen_size) = 0;
-
   // Feeds more data into the decoder. Returns true if |packet| was processed
   // and the frame can be displayed now.
   virtual bool DecodePacket(const VideoPacket& packet) = 0;