Cleanup: Remove unneeded forward declarations from remoting.

remoting/client/frame_consumer.h

 // Copyright (c) 2011 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_CLIENT_FRAME_CONSUMER_H_
 #define REMOTING_CLIENT_FRAME_CONSUMER_H_
 
 #include "remoting/base/decoder.h"  // For UpdatedRects
 
-class Task;
-
 namespace remoting {
 
 class FrameConsumer {
  public:
   FrameConsumer() {}
   virtual ~FrameConsumer() {}
 
   // Request a frame be allocated from the FrameConsumer.
   //
   // If a frame cannot be allocated to fit the format, and |size|
@@ skipping 29 matching lines @@
                                     RectVector* rects,
                                     const base::Closure& done) = 0;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(FrameConsumer);
 };
 
 }  // namespace remoting
 
 #endif  // REMOTING_CLIENT_FRAME_CONSUMER_H_