(WIP) Worker: Merge ParentFrameTaskRunners into TaskRunnerHelper

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 1a37ac931d2e26e02495474baeb0bc90ba269af8..5e375abe2ea80a930ba0d5f43eb94a8ab9788ca9 100644
--- a/third_party/WebKit/Source/web/WebSharedWorkerImpl.h
+++ b/third_party/WebKit/Source/web/WebSharedWorkerImpl.h
@@ -47,7 +47,6 @@
 
 namespace blink {
 
-class ParentFrameTaskRunners;
 class WebApplicationCacheHost;
 class WebApplicationCacheHostClient;
 class WebLocalFrameImpl;
@@ -149,11 +148,8 @@ class WebSharedWorkerImpl final : public WebFrameClient,
   std::unique_ptr<WebServiceWorkerNetworkProvider> m_networkProvider;
 
   Persistent<WorkerInspectorProxy> m_workerInspectorProxy;
-
-  // Owned by the main thread, but will be accessed by the worker.
-  CrossThreadPersistent<ParentFrameTaskRunners> m_parentFrameTaskRunners;
-
   Persistent<WebSharedWorkerReportingProxyImpl> m_reportingProxy;
+
   std::unique_ptr<WorkerThread> m_workerThread;
 
   WebSharedWorkerClient* m_client;