Make IPC::Channel::Listener:OnMessageReceived have a return value indicating ...

chrome/browser/service/service_process_control.h

 // Copyright (c) 2010 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 CHROME_BROWSER_SERVICE_SERVICE_PROCESS_CONTROL_H_
 #define CHROME_BROWSER_SERVICE_SERVICE_PROCESS_CONTROL_H_
 
 #include <queue>
 #include <string>
 #include <vector>
@@ skipping 59 matching lines @@
   // and connected to it.
   // |failure_task| is called when we failed to connect to the service process.
   // It is OK to pass the same value for |success_task| and |failure_task|. In
   // this case, the task is invoked on success or failure.
   // Note that if we are already connected to service process then
   // |success_task| can be invoked in the context of the Launch call.
   // Takes ownership of |success_task| and |failure_task|.
   void Launch(Task* success_task, Task* failure_task);
 
   // IPC::Channel::Listener implementation.
-  virtual void OnMessageReceived(const IPC::Message& message);
+  virtual bool OnMessageReceived(const IPC::Message& message);
   virtual void OnChannelConnected(int32 peer_pid);
   virtual void OnChannelError();
 
   // IPC::Channel::Sender implementation
   virtual bool Send(IPC::Message* message);
 
   // NotificationObserver implementation.
   virtual void Observe(NotificationType type,
                        const NotificationSource& source,
                        const NotificationDetails& details);
@@ skipping 72 matching lines @@
   scoped_ptr<Callback2<bool, std::string>::Type> cloud_print_status_callback_;
   scoped_ptr<GetRemotingHostStatusCallback> remoting_host_status_callback_;
 
   // Handler for messages from service process.
   MessageHandler* message_handler_;
 
   NotificationRegistrar registrar_;
 };
 
 #endif  // CHROME_BROWSER_SERVICE_SERVICE_PROCESS_CONTROL_H_