Worker: Pass ParentFrameTaskRunners via WorkerThread::start() instead of the ctor

third_party/WebKit/Source/web/WebEmbeddedWorkerImpl.cpp

 /*
  * Copyright (C) 2013 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 455 matching lines @@
 
   // We have a dummy document here for loading but it doesn't really represent
   // the document/frame of associated document(s) for this worker. Here we
   // populate the task runners with null document not to confuse the frame
   // scheduler (which will end up using the thread's default task runner).
   m_mainThreadTaskRunners = ParentFrameTaskRunners::create(nullptr);
 
   m_workerGlobalScopeProxy = ServiceWorkerGlobalScopeProxy::create(
       *this, *document, *m_workerContextClient);
   m_loaderProxy = WorkerLoaderProxy::create(this);
-  m_workerThread = ServiceWorkerThread::create(
-      m_loaderProxy, *m_workerGlobalScopeProxy, m_mainThreadTaskRunners.get());
-  m_workerThread->start(std::move(startupData));
+  m_workerThread =
+      ServiceWorkerThread::create(m_loaderProxy, *m_workerGlobalScopeProxy);
+  m_workerThread->start(std::move(startupData), m_mainThreadTaskRunners.get());
   m_workerInspectorProxy->workerThreadCreated(document, m_workerThread.get(),
                                               scriptURL);
 }
 
 }  // namespace blink