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

ppapi/proxy/ppb_url_loader_proxy.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 PPAPI_PPB_URL_LOADER_PROXY_H_
 #define PPAPI_PPB_URL_LOADER_PROXY_H_
 
 #include "ppapi/c/pp_completion_callback.h"
 #include "ppapi/c/pp_instance.h"
 #include "ppapi/c/pp_module.h"
@@ skipping 21 matching lines @@
   // proxied info for the given browser-supplied URLLoader resource ID.
   static void TrackPluginResource(PP_Resource url_loader_resource);
 
   const PPB_URLLoader* ppb_url_loader_target() const {
     return reinterpret_cast<const PPB_URLLoader*>(target_interface());
   }
 
   // InterfaceProxy implementation.
   virtual const void* GetSourceInterface() const;
   virtual InterfaceID GetInterfaceId() const;
-  virtual void OnMessageReceived(const IPC::Message& msg);
+  virtual bool OnMessageReceived(const IPC::Message& msg);
 
  private:
   // Data associated with callbacks for ReadResponseBody.
   struct ReadCallbackInfo;
 
   // Plugin->renderer message handlers.
   void OnMsgCreate(PP_Instance instance,
                    PP_Resource* result);
   void OnMsgOpen(PP_Resource loader,
                  PP_Resource request_info,
@@ skipping 32 matching lines @@
                              const void* target_interface);
   virtual ~PPB_URLLoaderTrusted_Proxy();
 
   const PPB_URLLoaderTrusted* ppb_url_loader_trusted_target() const {
     return reinterpret_cast<const PPB_URLLoaderTrusted*>(target_interface());
   }
 
   // InterfaceProxy implementation.
   virtual const void* GetSourceInterface() const;
   virtual InterfaceID GetInterfaceId() const;
-  virtual void OnMessageReceived(const IPC::Message& msg);
+  virtual bool OnMessageReceived(const IPC::Message& msg);
 
  private:
   // Plugin->renderer message handlers.
   void OnMsgGrantUniversalAccess(PP_Resource loader);
 };
 
 }  // namespace proxy
 }  // namespace pp
 
 #endif  // PPAPI_PPB_URL_LOADER_PROXY_H_