Pass per-frame task runners to Workers (when possible) [2nd try]

third_party/WebKit/Source/web/WebSharedWorkerImpl.h

 /*
  * Copyright (C) 2009 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 30 matching lines @@
 #include "public/web/WebContentSecurityPolicy.h"
 #include "public/web/WebDevToolsAgentClient.h"
 #include "public/web/WebFrameClient.h"
 #include "public/web/WebSharedWorkerClient.h"
 #include "wtf/RefPtr.h"
 #include <memory>
 
 namespace blink {
 
 class ConsoleMessage;
+class ParentFrameTaskRunners;
 class WebApplicationCacheHost;
 class WebApplicationCacheHostClient;
 class WebLocalFrameImpl;
 class WebServiceWorkerNetworkProvider;
 class WebSharedWorkerClient;
 class WebString;
 class WebURL;
 class WebView;
 class WorkerInspectorProxy;
 class WorkerScriptLoader;
@@ skipping 76 matching lines @@
     Persistent<ExecutionContext> m_loadingDocument;
     WebView* m_webView;
     Persistent<WebLocalFrameImpl> m_mainFrame;
     bool m_askedToTerminate;
 
     // This one is bound to and used only on the main thread.
     std::unique_ptr<WebServiceWorkerNetworkProvider> m_networkProvider;
 
     Persistent<WorkerInspectorProxy> m_workerInspectorProxy;
 
+    Persistent<ParentFrameTaskRunners> m_mainThreadTaskRunners;
+
     std::unique_ptr<WorkerThread> m_workerThread;
 
     WebSharedWorkerClient* m_client;
 
     bool m_pauseWorkerContextOnStart;
     bool m_isPausedOnStart;
 
     // Kept around only while main script loading is ongoing.
     RefPtr<WorkerScriptLoader> m_mainScriptLoader;
 
     RefPtr<WorkerLoaderProxy> m_loaderProxy;
 
     WebURL m_url;
     WebString m_name;
     WebAddressSpace m_creationAddressSpace;
 };
 
 } // namespace blink
 
 #endif // WebSharedWorkerImpl_h