Remove done notifications from incoming message handlers.

remoting/protocol/host_event_dispatcher.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_PROTOCOL_HOST_EVENT_DISPATCHER_H_
 #define REMOTING_PROTOCOL_HOST_EVENT_DISPATCHER_H_
 
 #include <stdint.h>
 
 #include "base/macros.h"
@@ skipping 20 matching lines @@
   // the dispatcher.
   void set_input_stub(InputStub* input_stub) { input_stub_ = input_stub; }
 
   // Set callback to notify of each message's sequence number. The
   // callback cannot tear down this object.
   void set_on_input_event_callback(const OnInputEventCallback& value) {
     on_input_event_callback_ = value;
   }
 
  private:
-  void OnMessageReceived(scoped_ptr<EventMessage> message,
-                         const base::Closure& done_task);
+  void OnMessageReceived(scoped_ptr<EventMessage> message);
 
   InputStub* input_stub_;
   OnInputEventCallback on_input_event_callback_;
 
   ProtobufMessageParser<EventMessage> parser_;
 
   DISALLOW_COPY_AND_ASSIGN(HostEventDispatcher);
 };
 
 }  // namespace protocol
 }  // namespace remoting
 
 #endif  // REMOTING_PROTOCOL_HOST_EVENT_DISPATCHER_H_