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

chrome/worker/worker_thread.cc

 // Copyright (c) 2009 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/worker/worker_thread.h"
 
 #include "base/command_line.h"
 #include "base/lazy_instance.h"
 #include "base/thread_local.h"
 #include "chrome/common/appcache/appcache_dispatcher.h"
@@ skipping 59 matching lines @@
   db_message_filter_ = NULL;
 
   WebKit::shutdown();
   lazy_tls.Pointer()->Set(NULL);
 }
 
 WorkerThread* WorkerThread::current() {
   return lazy_tls.Pointer()->Get();
 }
 
-void WorkerThread::OnControlMessageReceived(const IPC::Message& msg) {
+bool WorkerThread::OnControlMessageReceived(const IPC::Message& msg) {
   // Appcache messages are handled by a delegate.
   if (appcache_dispatcher_->OnMessageReceived(msg))
-    return;
+    return true;
 
+  bool handled = true;
   IPC_BEGIN_MESSAGE_MAP(WorkerThread, msg)
     IPC_MESSAGE_HANDLER(WorkerProcessMsg_CreateWorker, OnCreateWorker)
+    IPC_MESSAGE_UNHANDLED(handled = false)
   IPC_END_MESSAGE_MAP()
+  return handled;
 }
 
 void WorkerThread::OnCreateWorker(
     const WorkerProcessMsg_CreateWorker_Params& params) {
   WorkerAppCacheInitInfo appcache_init_info(
       params.is_shared, params.creator_process_id,
       params.creator_appcache_host_id,
       params.shared_worker_appcache_id);
 
   // WebWorkerStub and WebSharedWorkerStub own themselves.
@@ skipping 13 matching lines @@
   }
 }
 
 void WorkerThread::RemoveWorkerStub(WebWorkerStubBase* stub) {
   worker_stubs_.erase(stub);
 }
 
 void WorkerThread::AddWorkerStub(WebWorkerStubBase* stub) {
   worker_stubs_.insert(stub);
 }