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

ppapi/proxy/plugin_dispatcher.cc

 // 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.
 
 #include "ppapi/proxy/plugin_dispatcher.h"
 
 #include <map>
 
 #include "base/compiler_specific.h"
 #include "base/logging.h"
@@ skipping 52 matching lines @@
 // static
 void PluginDispatcher::SetGlobal(PluginDispatcher* dispatcher) {
   DCHECK(!dispatcher || !g_dispatcher);
   g_dispatcher = dispatcher;
 }
 
 bool PluginDispatcher::IsPlugin() const {
   return true;
 }
 
-void PluginDispatcher::OnMessageReceived(const IPC::Message& msg) {
+bool PluginDispatcher::OnMessageReceived(const IPC::Message& msg) {
   if (msg.routing_id() == MSG_ROUTING_CONTROL) {
     // Handle some plugin-specific control messages.
+    bool handled = true;
     IPC_BEGIN_MESSAGE_MAP(PluginDispatcher, msg)
       IPC_MESSAGE_HANDLER(PpapiMsg_InitializeModule, OnMsgInitializeModule)
       IPC_MESSAGE_HANDLER(PpapiMsg_Shutdown, OnMsgShutdown)
 
       // Forward all other control messages to the superclass.
-      IPC_MESSAGE_UNHANDLED(Dispatcher::OnMessageReceived(msg))
+      IPC_MESSAGE_UNHANDLED(handled = Dispatcher::OnMessageReceived(msg))
     IPC_END_MESSAGE_MAP()
-    return;
+    return handled;
   }
 
   // All non-control messages get handled by the superclass.
-  Dispatcher::OnMessageReceived(msg);
+  return Dispatcher::OnMessageReceived(msg);
 }
 
 void PluginDispatcher::OnMsgInitializeModule(PP_Module pp_module,
                                              bool* result) {
   set_pp_module(pp_module);
   *result = init_module_(pp_module, &GetInterfaceFromDispatcher) == PP_OK;
 }
 
 void PluginDispatcher::OnMsgShutdown() {
   if (shutdown_module_)
     shutdown_module_();
   MessageLoop::current()->Quit();
 }
 
 }  // namespace proxy
 }  // namespace pp