blimp: Cleanup class/struct forward declarations

blimp/net/input_message_generator.h

 // Copyright 2015 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 BLIMP_NET_INPUT_MESSAGE_GENERATOR_H_
 #define BLIMP_NET_INPUT_MESSAGE_GENERATOR_H_
 
 #include <memory>
 
 #include "base/macros.h"
 #include "blimp/net/blimp_net_export.h"
 #include "net/base/completion_callback.h"
 
 namespace blink {
 class WebGestureEvent;
 }
 
 namespace blimp {
 
 class BlimpMessage;
-class BlimpMessageProcessor;
 
 // Handles creating serialized InputMessage protos from a stream of
 // WebGestureEvents.  This class may be stateful to optimize the size of the
 // serialized transmission data.  See InputMessageConverter for the deserialize
 // code.
 class BLIMP_NET_EXPORT InputMessageGenerator {
  public:
   InputMessageGenerator();
   ~InputMessageGenerator();
 
   // Builds a BlimpMessage from |event| that has the basic input event fields
   // populated.  This might make use of state sent from previous
   // BlimpMessage::INPUT messages.  It is up to the caller to populate the
   // non-input fields and to send the BlimpMessage.
   std::unique_ptr<BlimpMessage> GenerateMessage(
       const blink::WebGestureEvent& event);
 
  private:
   DISALLOW_COPY_AND_ASSIGN(InputMessageGenerator);
 };
 
 }  // namespace blimp
 
 #endif  // BLIMP_NET_INPUT_MESSAGE_GENERATOR_H_