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

chrome/plugin/npobject_proxy.h

 // Copyright (c) 2006-2008 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.
 //
 // A proxy for NPObject that sends all calls to the object to an NPObjectStub
 // running in a different process.
 
 #ifndef CHROME_PLUGIN_NPOBJECT_PROXY_H_
 #define CHROME_PLUGIN_NPOBJECT_PROXY_H_
 #pragma once
@@ skipping 84 matching lines @@
 
   virtual IPC::Channel::Listener* GetChannelListener();
 
  private:
   NPObjectProxy(PluginChannelBase* channel,
                 int route_id,
                 gfx::NativeViewId containing_window,
                 const GURL& page_url);
 
   // IPC::Channel::Listener implementation:
-  virtual void OnMessageReceived(const IPC::Message& msg);
+  virtual bool OnMessageReceived(const IPC::Message& msg);
   virtual void OnChannelError();
 
   static NPObject* NPAllocate(NPP, NPClass*);
   static void NPDeallocate(NPObject* npObj);
 
   // This function is only caled on NPObjects from the plugin.
   static void NPPInvalidate(NPObject *obj);
   static NPClass npclass_proxy_;
 
   scoped_refptr<PluginChannelBase> channel_;
   int route_id_;
   gfx::NativeViewId containing_window_;
 
   // The url of the main frame hosting the plugin.
   GURL page_url_;
 };
 
 #endif  // CHROME_PLUGIN_NPOBJECT_PROXY_H_