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

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

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "core/workers/ThreadedMessagingProxyBase.h"
 
 #include "bindings/core/v8/SourceLocation.h"
 #include "core/dom/Document.h"
 #include "core/dom/ExecutionContextTask.h"
 #include "core/frame/Deprecation.h"
@@ skipping 38 matching lines @@
     std::unique_ptr<WorkerThreadStartupData> startupData) {
   DCHECK(isParentContextThread());
 
   Document* document = toDocument(getExecutionContext());
   double originTime =
       document->loader() ? document->loader()->timing().referenceMonotonicTime()
                          : monotonicallyIncreasingTime();
 
   m_loaderProxy = WorkerLoaderProxy::create(this);
   m_workerThread = createWorkerThread(originTime);
-  m_workerThread->start(std::move(startupData));
+  m_workerThread->start(std::move(startupData), getParentFrameTaskRunners());
   workerThreadCreated();
 }
 
 void ThreadedMessagingProxyBase::postTaskToWorkerGlobalScope(
     const WebTraceLocation& location,
     std::unique_ptr<WTF::CrossThreadClosure> task) {
   if (m_askedToTerminate)
     return;
 
   DCHECK(m_workerThread);
@@ skipping 95 matching lines @@
 }
 
 bool ThreadedMessagingProxyBase::isParentContextThread() const {
   // TODO(nhiroki): Nested worker is not supported yet, so the parent context
   // thread should be equal to the main thread (http://crbug.com/31666).
   DCHECK(m_executionContext->isDocument());
   return isMainThread();
 }
 
 }  // namespace blink