Revert of DevTools: Make WorkerThreadDebugger available for Worklets

third_party/WebKit/Source/modules/serviceworkers/ServiceWorkerGlobalScope.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 237 matching lines @@
     const KURL& scriptURL,
     const Vector<char>* metaData) {
   return ServiceWorkerScriptCachedMetadataHandler::create(this, scriptURL,
                                                           metaData);
 }
 
 void ServiceWorkerGlobalScope::exceptionThrown(ErrorEvent* event) {
   WorkerGlobalScope::exceptionThrown(event);
   if (WorkerThreadDebugger* debugger =
           WorkerThreadDebugger::from(thread()->isolate()))
-    debugger->exceptionThrown(thread(), event);
+    debugger->exceptionThrown(event);
 }
 
 }  // namespace blink