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

chrome/browser/nacl_host/nacl_process_host.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_PROCESS_HOST_H_
 #define CHROME_BROWSER_NACL_HOST_NACL_PROCESS_HOST_H_
 #pragma once
 
 #include "build/build_config.h"
 
@@ skipping 14 matching lines @@
  public:
   NaClProcessHost(ResourceDispatcherHost *resource_dispatcher_host,
                   const std::wstring& url);
   ~NaClProcessHost();
 
   // Initialize the new NaCl process, returning true on success.
   bool Launch(RenderMessageFilter* render_message_filter,
               int socket_count,
               IPC::Message* reply_msg);
 
-  virtual void OnMessageReceived(const IPC::Message& msg);
+  virtual bool OnMessageReceived(const IPC::Message& msg);
 
   void OnProcessLaunchedByBroker(base::ProcessHandle handle);
 
  protected:
   virtual base::TerminationStatus GetChildTerminationStatus(int* exit_code);
   virtual void OnChildDied();
 
  private:
   bool LaunchSelLdr();
 
@@ skipping 22 matching lines @@
   std::vector<nacl::Handle> sockets_for_renderer_;
   std::vector<nacl::Handle> sockets_for_sel_ldr_;
 
   // Windows platform flag
   bool running_on_wow64_;
 
   DISALLOW_COPY_AND_ASSIGN(NaClProcessHost);
 };
 
 #endif  // CHROME_BROWSER_NACL_HOST_NACL_PROCESS_HOST_H_