Reduce createSameThreadTask usage in modules/

third_party/WebKit/Source/modules/presentation/PresentationConnection.cpp

 // Copyright 2014 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 "modules/presentation/PresentationConnection.h"
 
 #include "bindings/core/v8/ScriptPromiseResolver.h"
 #include "core/dom/DOMArrayBuffer.h"
 #include "core/dom/DOMArrayBufferView.h"
 #include "core/dom/Document.h"
 #include "core/dom/ExceptionCode.h"
-#include "core/dom/ExecutionContextTask.h"
 #include "core/dom/TaskRunnerHelper.h"
 #include "core/events/Event.h"
 #include "core/events/MessageEvent.h"
 #include "core/fileapi/FileReaderLoader.h"
 #include "core/fileapi/FileReaderLoaderClient.h"
 #include "core/frame/Deprecation.h"
 #include "core/frame/LocalFrame.h"
 #include "core/frame/UseCounter.h"
 #include "modules/EventTargetModules.h"
 #include "modules/presentation/Presentation.h"
@@ skipping 174 matching lines @@
   ASSERT(controller);
   ASSERT(request);
 
   PresentationConnection* connection = new PresentationConnection(
       controller->frame(), sessionInfo.id, sessionInfo.url);
   controller->registerConnection(connection);
 
   // Fire onconnectionavailable event asynchronously.
   auto* event = PresentationConnectionAvailableEvent::create(
       EventTypeNames::connectionavailable, connection);
-  request->getExecutionContext()->postTask(
-      TaskType::Presentation, BLINK_FROM_HERE,
-      createSameThreadTask(&PresentationConnection::dispatchEventAsync,
+  TaskRunnerHelper::get(TaskType::Presentation, request->getExecutionContext())
+      ->postTask(BLINK_FROM_HERE,
+                 WTF::bind(&PresentationConnection::dispatchEventAsync,
                            wrapPersistent(request), wrapPersistent(event)));
 
   return connection;
 }
 
 // static
 PresentationConnection* PresentationConnection::take(
     PresentationReceiver* receiver,
     const WebPresentationSessionInfo& sessionInfo) {
   DCHECK(receiver);
@@ skipping 261 matching lines @@
     FileError::ErrorCode errorCode) {
   ASSERT(!m_messages.isEmpty() && m_messages.first()->type == MessageTypeBlob);
   // FIXME: generate error message?
   // Ignore the current failed blob item and continue with next items.
   m_messages.removeFirst();
   m_blobLoader.clear();
   handleMessageQueue();
 }
 
 void PresentationConnection::dispatchStateChangeEvent(Event* event) {
-  getExecutionContext()->postTask(
-      TaskType::Presentation, BLINK_FROM_HERE,
-      createSameThreadTask(&PresentationConnection::dispatchEventAsync,
+  TaskRunnerHelper::get(TaskType::Presentation, getExecutionContext())
+      ->postTask(BLINK_FROM_HERE,
+                 WTF::bind(&PresentationConnection::dispatchEventAsync,
                            wrapPersistent(this), wrapPersistent(event)));
 }
 
 // static
 void PresentationConnection::dispatchEventAsync(EventTarget* target,
                                                 Event* event) {
   DCHECK(target);
   DCHECK(event);
   target->dispatchEvent(event);
 }
 
 void PresentationConnection::tearDown() {
   // Cancel current Blob loading if any.
   if (m_blobLoader) {
     m_blobLoader->cancel();
     m_blobLoader.clear();
   }
   m_messages.clear();
 }
 
 }  // namespace blink