Worker: Provide a way to access parent frame task runners from a worker thread

third_party/WebKit/Source/web/WebSharedWorkerImpl.h

Index: third_party/WebKit/Source/web/WebSharedWorkerImpl.h
diff --git a/third_party/WebKit/Source/web/WebSharedWorkerImpl.h b/third_party/WebKit/Source/web/WebSharedWorkerImpl.h
index adb05d1bf54ec3d45e0daed4120c69e2ed39b4da..eed954662930773797e4247d86d0f5b6a55f982c 100644
--- a/third_party/WebKit/Source/web/WebSharedWorkerImpl.h
+++ b/third_party/WebKit/Source/web/WebSharedWorkerImpl.h
@@ -83,6 +83,7 @@ class WebSharedWorkerImpl final : public WorkerReportingProxy,
                             const String& message,
                             SourceLocation*) override;
   void postMessageToPageInspector(const WTF::String&) override;
+  ParentFrameTaskRunners* getParentFrameTaskRunners() override;
   void didEvaluateWorkerScript(bool success) override {}
   void didCloseWorkerGlobalScope() override;
   void willDestroyWorkerGlobalScope() override {}
@@ -167,7 +168,7 @@ class WebSharedWorkerImpl final : public WorkerReportingProxy,
 
   Persistent<WorkerInspectorProxy> m_workerInspectorProxy;
 
-  Persistent<ParentFrameTaskRunners> m_mainThreadTaskRunners;
+  Persistent<ParentFrameTaskRunners> m_parentFrameTaskRunners;
 
   std::unique_ptr<WorkerThread> m_workerThread;