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

chrome/nacl/broker_thread.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_NACL_BROKER_THREAD_H_
 #define CHROME_NACL_BROKER_THREAD_H_
 #pragma once
 
 #include "base/process.h"
 #include "chrome/common/child_thread.h"
 #include "chrome/common/nacl_types.h"
 
 #if defined(OS_WIN)
 #include "sandbox/src/sandbox.h"
 #endif
 
 // The BrokerThread class represents the thread that handles the messages from
 // the browser process and starts NaCl loader processes.
 class NaClBrokerThread : public ChildThread {
  public:
   NaClBrokerThread();
   ~NaClBrokerThread();
   // Returns the one NaCl thread.
   static NaClBrokerThread* current();
 
   virtual void OnChannelConnected(int32 peer_pid);
 
  private:
-  virtual void OnControlMessageReceived(const IPC::Message& msg);
+  virtual bool OnControlMessageReceived(const IPC::Message& msg);
   void OnLaunchLoaderThroughBroker(const std::wstring& loader_channel_id);
   void OnShareBrowserHandle(int browser_handle);
   void OnStopBroker();
 
   base::ProcessHandle browser_handle_;
   sandbox::BrokerServices* broker_services_;
 
   DISALLOW_COPY_AND_ASSIGN(NaClBrokerThread);
 };
 
 #endif  // CHROME_NACL_BROKER_THREAD_H_