media: Cleanup class/struct forward declarations

media/cast/test/utility/in_process_receiver.h

 // Copyright 2014 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 MEDIA_CAST_TEST_UTILITY_IN_PROCESS_RECEIVER_H_
 #define MEDIA_CAST_TEST_UTILITY_IN_PROCESS_RECEIVER_H_
 
 #include <memory>
 
 #include "base/macros.h"
@@ skipping 15 matching lines @@
 }  // namespace net
 
 namespace media {
 
 class VideoFrame;
 
 namespace cast {
 
 class CastEnvironment;
 class CastReceiver;
-class UdpTransport;
 class InProcessReceiver;
 
 // Common base functionality for an in-process Cast receiver.  This is meant to
 // be subclassed with the OnAudioFrame() and OnVideoFrame() methods implemented,
 // so that the implementor can focus on what is to be done with the frames,
 // rather than on the boilerplate "glue" code.
 class InProcessReceiver {
  public:
   class TransportClient : public CastTransport::Client {
    public:
@@ skipping 88 matching lines @@
   // NOTE: Weak pointers must be invalidated before all other member variables.
   base::WeakPtrFactory<InProcessReceiver> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(InProcessReceiver);
 };
 
 }  // namespace cast
 }  // namespace media
 
 #endif  // MEDIA_CAST_TEST_UTILITY_IN_PROCESS_RECEIVER_H_