ServiceWorker: Remove unused MessageEvent implementation from ServiceWorkerGlobalScope

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 <utility>
 
 #include "base/macros.h"
 #include "base/memory/ptr_util.h"
 #include "content/child/service_worker/service_worker_dispatcher.h"
 #include "content/child/service_worker/service_worker_handle_reference.h"
 #include "content/child/service_worker/web_service_worker_provider_impl.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/WebSecurityOrigin.h"
 #include "third_party/WebKit/public/platform/WebString.h"
 #include "third_party/WebKit/public/platform/modules/serviceworker/WebServiceWorkerProxy.h"
 #include "third_party/WebKit/public/web/WebRuntimeFeatures.h"
 
 using blink::WebMessagePortChannel;
 using blink::WebMessagePortChannelArray;
 using blink::WebMessagePortChannelClient;
-using blink::WebRuntimeFeatures;
 using blink::WebSecurityOrigin;
 using blink::WebString;
 
 namespace content {
 
 namespace {
 
 class HandleImpl : public blink::WebServiceWorker::Handle {
  public:
   explicit HandleImpl(const scoped_refptr<WebServiceWorkerImpl>& worker)
       : worker_(worker) {}
   ~HandleImpl() override {}
 
   blink::WebServiceWorker* serviceWorker() override { return worker_.get(); }
 
  private:
   scoped_refptr<WebServiceWorkerImpl> worker_;
 
   DISALLOW_COPY_AND_ASSIGN(HandleImpl);
 };
 
 void SendPostMessageToWorkerOnMainThread(
     ThreadSafeSender* thread_safe_sender,
     int handle_id,
     int provider_id,
     const base::string16& message,
     const url::Origin& source_origin,
     std::unique_ptr<WebMessagePortChannelArray> channels) {
-  if (WebRuntimeFeatures::isServiceWorkerExtendableMessageEventEnabled()) {
-    thread_safe_sender->Send(new ServiceWorkerHostMsg_PostMessageToWorker(
-        handle_id, provider_id, message, source_origin,
-        WebMessagePortChannelImpl::ExtractMessagePortIDs(std::move(channels))));
-  } else {
-    thread_safe_sender->Send(
-        new ServiceWorkerHostMsg_DeprecatedPostMessageToWorker(
-            handle_id, message,
-            WebMessagePortChannelImpl::ExtractMessagePortIDs(
-                std::move(channels))));
-  }
+  thread_safe_sender->Send(new ServiceWorkerHostMsg_PostMessageToWorker(
+      handle_id, provider_id, message, source_origin,
+      WebMessagePortChannelImpl::ExtractMessagePortIDs(std::move(channels))));
 }
 
 }  // namespace
 
 WebServiceWorkerImpl::WebServiceWorkerImpl(
     std::unique_ptr<ServiceWorkerHandleReference> handle_ref,
     ThreadSafeSender* thread_safe_sender)
     : handle_ref_(std::move(handle_ref)),
       state_(handle_ref_->state()),
       thread_safe_sender_(thread_safe_sender),
@@ skipping 73 matching lines @@
 }
 
 WebServiceWorkerImpl::~WebServiceWorkerImpl() {
   ServiceWorkerDispatcher* dispatcher =
       ServiceWorkerDispatcher::GetThreadSpecificInstance();
   if (dispatcher)
     dispatcher->RemoveServiceWorker(handle_ref_->handle_id());
 }
 
 }  // namespace content