ServiceWorker: Introduce ExtendableMessageEvent to replace MessageEvent

content/child/service_worker/web_service_worker_impl.cc

 // Copyright 2013 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 "content/child/service_worker/web_service_worker_impl.h"
 
 #include "content/child/service_worker/service_worker_dispatcher.h"
 #include "content/child/service_worker/service_worker_handle_reference.h"
 #include "content/child/thread_safe_sender.h"
 #include "content/child/webmessageportchannel_impl.h"
 #include "content/common/service_worker/service_worker_messages.h"
 #include "third_party/WebKit/public/platform/WebServiceWorkerProxy.h"
 #include "third_party/WebKit/public/platform/WebString.h"
 
 using blink::WebMessagePortChannel;
 using blink::WebMessagePortChannelArray;
 using blink::WebMessagePortChannelClient;
 using blink::WebString;
 
 namespace content {
 
 WebServiceWorkerImpl::WebServiceWorkerImpl(
     scoped_ptr<ServiceWorkerHandleReference> handle_ref,
+    int provider_id,
     ThreadSafeSender* thread_safe_sender)
     : handle_ref_(handle_ref.Pass()),
       state_(handle_ref_->state()),
+      provider_id_(provider_id),
       thread_safe_sender_(thread_safe_sender),
       proxy_(NULL) {
   ServiceWorkerDispatcher* dispatcher =
       ServiceWorkerDispatcher::GetThreadSpecificInstance();
   DCHECK(dispatcher);
   dispatcher->AddServiceWorker(handle_ref_->handle_id(), this);
 }
 
 WebServiceWorkerImpl::~WebServiceWorkerImpl() {
   if (handle_ref_->handle_id() == kInvalidServiceWorkerHandleId)
@@ skipping 22 matching lines @@
   return handle_ref_->url();
 }
 
 blink::WebServiceWorkerState WebServiceWorkerImpl::state() const {
   return state_;
 }
 
 void WebServiceWorkerImpl::postMessage(const WebString& message,
                                        WebMessagePortChannelArray* channels) {
   thread_safe_sender_->Send(new ServiceWorkerHostMsg_PostMessageToWorker(
-      handle_ref_->handle_id(),
-      message,
+      handle_ref_->handle_id(), provider_id_, message,
       WebMessagePortChannelImpl::ExtractMessagePortIDs(channels)));
 }
 
 void WebServiceWorkerImpl::terminate() {
   thread_safe_sender_->Send(
       new ServiceWorkerHostMsg_TerminateWorker(handle_ref_->handle_id()));
 }
 
 }  // namespace content