Moved the video encoders/decoders to the codec directory.

remoting/codec/video_encoder.h

 // Copyright (c) 2012 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_
+#ifndef REMOTING_CODEC_VIDEO_ENCODER_H_
+#define REMOTING_CODEC_VIDEO_ENCODER_H_
 
 #include "base/basictypes.h"
 #include "base/callback.h"
 #include "media/base/data_buffer.h"
 
 namespace media {
   class DataBuffer;
 }
 
 namespace remoting {
@@ skipping 21 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,
                       const DataAvailableCallback& data_available_callback) = 0;
 };
 
 }  // namespace remoting
 
-#endif  // REMOTING_BASE_ENCODER_H_
+#endif  // REMOTING_CODEC_VIDEO_ENCODER_H_