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

chrome/plugin/npobject_proxy.cc

 // 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.
 
 #include "chrome/plugin/npobject_proxy.h"
 
 #include "chrome/common/plugin_messages.h"
 #include "chrome/plugin/npobject_util.h"
 #include "chrome/plugin/plugin_channel.h"
 #include "third_party/WebKit/WebKit/chromium/public/WebBindings.h"
@@ skipping 86 matching lines @@
 NPObject* NPObjectProxy::NPAllocate(NPP, NPClass*) {
   return reinterpret_cast<NPObject*>(new NPObjectWrapper);
 }
 
 void NPObjectProxy::NPDeallocate(NPObject* npObj) {
   NPObjectWrapper* obj = reinterpret_cast<NPObjectWrapper*>(npObj);
   delete obj->proxy;
   delete obj;
 }
 
-void NPObjectProxy::OnMessageReceived(const IPC::Message& msg) {
+bool NPObjectProxy::OnMessageReceived(const IPC::Message& msg) {
   NOTREACHED();
+  return false;
 }
 
 void NPObjectProxy::OnChannelError() {
   // Release our ref count of the plugin channel object, as it addrefs the
   // process.
   channel_ = NULL;
 }
 
 bool NPObjectProxy::NPHasMethod(NPObject *obj,
                                 NPIdentifier name) {
@@ skipping 371 matching lines @@
   proxy->Send(msg);
   // Send may delete proxy.
   proxy = NULL;
   if (!result)
     return false;
 
   CreateNPVariant(
       result_param, channel.get(), result_var, containing_window, page_url);
   return true;
 }