(WIP) Worker: Merge ParentFrameTaskRunners into TaskRunnerHelper

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

Index: third_party/WebKit/Source/core/workers/ThreadedMessagingProxyBase.h
diff --git a/third_party/WebKit/Source/core/workers/ThreadedMessagingProxyBase.h b/third_party/WebKit/Source/core/workers/ThreadedMessagingProxyBase.h
index 978f805937bfc81d31bfaad14cc4bc2132aca6e1..a844d56d4cfb4b4c93e9c60ac88287feb2f78511 100644
--- a/third_party/WebKit/Source/core/workers/ThreadedMessagingProxyBase.h
+++ b/third_party/WebKit/Source/core/workers/ThreadedMessagingProxyBase.h
@@ -6,9 +6,9 @@
 #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"
 
@@ -49,11 +49,6 @@ class CORE_EXPORT ThreadedMessagingProxyBase
     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();
 
@@ -95,8 +90,6 @@ class CORE_EXPORT ThreadedMessagingProxyBase
 
   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;