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

remoting/base/encoder.h

 // Copyright (c) 2010 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 REMOTING_BASE_ENCODER_H_
 #define REMOTING_BASE_ENCODER_H_
 
 #include "base/basictypes.h"
 #include "base/callback.h"
 #include "media/base/data_buffer.h"
-// TODO(hclam): Should not depend on internal.pb.h.
-#include "remoting/proto/internal.pb.h"
 
 namespace media {
   class DataBuffer;
 }
 
 namespace remoting {
 
 class CaptureData;
+class VideoPacket;
 
 // A class to perform the task of encoding a continous stream of
 // images.
 // This class operates asynchronously to enable maximum throughput.
 class Encoder {
  public:
 
   // DataAvailableCallback is called as blocks of data are made available
   // from the encoder. Data made available by the encoder is in the form
   // of HostMessage to reduce the amount of memory copies.
@@ skipping 11 matching lines @@
   // When encoded data is available, partial or full |data_available_callback|
   // is called.
   virtual void Encode(scoped_refptr<CaptureData> capture_data,
                       bool key_frame,
                       DataAvailableCallback* data_available_callback) = 0;
 };
 
 }  // namespace remoting
 
 #endif  // REMOTING_BASE_ENCODER_H_