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

ppapi/proxy/ppb_instance_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_PROXY_PPB_INSTANCE_PROXY_H_
 #define PPAPI_PROXY_PPB_INSTANCE_PROXY_H_
 
 #include "ppapi/c/pp_instance.h"
 #include "ppapi/c/pp_resource.h"
 #include "ppapi/c/pp_var.h"
@@ skipping 13 matching lines @@
   PPB_Instance_Proxy(Dispatcher* dispatcher, const void* target_interface);
   virtual ~PPB_Instance_Proxy();
 
   const PPB_Instance* ppb_instance_target() const {
     return reinterpret_cast<const PPB_Instance*>(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:
   // Message handlers.
   void OnMsgGetWindowObject(PP_Instance instance,
                             SerializedVarReturnValue result);
   void OnMsgGetOwnerElementObject(PP_Instance instance,
                                   SerializedVarReturnValue result);
   void OnMsgBindGraphics(PP_Instance instance,
                          PP_Resource device,
                          PP_Bool* result);
   void OnMsgIsFullFrame(PP_Instance instance, PP_Bool* result);
   void OnMsgExecuteScript(PP_Instance instance,
                           SerializedVarReceiveInput script,
                           SerializedVarOutParam out_exception,
                           SerializedVarReturnValue result);
 };
 
 }  // namespace proxy
 }  // namespace pp
 
 #endif  // PPAPI_PROXY_PPB_INSTANCE_PROXY_H_