(WIP) Worker: Merge ParentFrameTaskRunners into TaskRunnerHelper

third_party/WebKit/Source/core/workers/ThreadedMessagingProxyBase.h

 // Copyright 2016 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.
 
 #ifndef ThreadedMessagingProxyBase_h
 #define ThreadedMessagingProxyBase_h
 
 #include "core/CoreExport.h"
+#include "core/dom/TaskRunnerHelper.h"
 #include "core/frame/UseCounter.h"
 #include "core/inspector/ConsoleTypes.h"
-#include "core/workers/ParentFrameTaskRunners.h"
 #include "core/workers/WorkerLoaderProxy.h"
 #include "wtf/Forward.h"
 
 namespace blink {
 
 class ExecutionContext;
 class SourceLocation;
 class WorkerInspectorProxy;
 class WorkerLoaderProxy;
 class WorkerThread;
@@ skipping 20 matching lines @@
   void postMessageToPageInspector(const String&);
 
   // 'virtual' for testing.
   virtual void workerThreadTerminated();
 
   // Accessed only from the parent thread.
   ExecutionContext* getExecutionContext() const {
     return m_executionContext.get();
   }
 
-  // Accessed from both the parent thread and the worker.
-  ParentFrameTaskRunners* getParentFrameTaskRunners() {
-    return m_parentFrameTaskRunners.get();
-  }
-
   // Number of live messaging proxies, used by leak detection.
   static int proxyCount();
 
  protected:
   ThreadedMessagingProxyBase(ExecutionContext*);
   ~ThreadedMessagingProxyBase() override;
 
   void initializeWorkerThread(std::unique_ptr<WorkerThreadStartupData>);
   virtual std::unique_ptr<WorkerThread> createWorkerThread(
       double originTime) = 0;
@@ skipping 21 matching lines @@
   ExecutionContext* getLoaderExecutionContext() override;
 
  private:
   friend class InProcessWorkerMessagingProxyForTest;
   friend class ThreadedWorkletMessagingProxyForTest;
 
   void parentObjectDestroyedInternal();
 
   Persistent<ExecutionContext> m_executionContext;
   Persistent<WorkerInspectorProxy> m_workerInspectorProxy;
-  // Accessed cross-thread when worker thread posts tasks to the parent.
-  CrossThreadPersistent<ParentFrameTaskRunners> m_parentFrameTaskRunners;
 
   std::unique_ptr<WorkerThread> m_workerThread;
 
   RefPtr<WorkerLoaderProxy> m_loaderProxy;
 
   bool m_mayBeDestroyed;
   bool m_askedToTerminate;
 };
 
 }  // namespace blink
 
 #endif  // ThreadedMessagingProxyBase_h