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

third_party/WebKit/Source/modules/compositorworker/AbstractAnimationWorkletThread.h

 // 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.
 
 #ifndef AbstractAnimationWorkletThread_h
 #define AbstractAnimationWorkletThread_h
 
 #include "core/workers/WorkerLoaderProxy.h"
 #include "core/workers/WorkerThread.h"
 #include "modules/ModulesExport.h"
@@ skipping 17 matching lines @@
   // This may block the main thread.
   static void collectAllGarbage();
 
   static void ensureSharedBackingThread();
   static void clearSharedBackingThread();
 
   static void createSharedBackingThreadForTest();
 
  protected:
   AbstractAnimationWorkletThread(PassRefPtr<WorkerLoaderProxy>,
-                                 WorkerReportingProxy&,
-                                 ParentFrameTaskRunners*);
+                                 WorkerReportingProxy&);
 
   bool isOwningBackingThread() const override { return false; }
 };
 
 }  // namespace blink
 
 #endif  // AbstractAnimationWorkletThread_h