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

chrome/browser/nacl_host/nacl_broker_host_win.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_NACL_HOST_NACL_BROKER_HOST_WIN_H_
 #define CHROME_BROWSER_NACL_HOST_NACL_BROKER_HOST_WIN_H_
 #pragma once
 
 #include "base/basictypes.h"
 #include "chrome/browser/browser_child_process_host.h"
@@ skipping 15 matching lines @@
   void StopBroker();
 
  private:
   virtual bool CanShutdown() { return true; }
 
   // Handler for NaClProcessMsg_LoaderLaunched message
   void OnLoaderLaunched(const std::wstring& loader_channel_id,
                         base::ProcessHandle handle);
 
   // IPC::Channel::Listener
-  virtual void OnMessageReceived(const IPC::Message& msg);
+  virtual bool OnMessageReceived(const IPC::Message& msg);
 
   bool stopping_;
 
   DISALLOW_COPY_AND_ASSIGN(NaClBrokerHost);
 };
 
 #endif  // CHROME_BROWSER_NACL_HOST_NACL_BROKER_HOST_WIN_H_