Revert of Pass the v8::Context through the willDestroyServiceWorkerContextOnWorkerThread event.

content/renderer/service_worker/service_worker_context_client.h

 // Copyright 2014 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 CONTENT_RENDERER_SERVICE_WORKER_SERVICE_WORKER_CONTEXT_CLIENT_H_
 #define CONTENT_RENDERER_SERVICE_WORKER_SERVICE_WORKER_CONTEXT_CLIENT_H_
 
 #include <map>
 #include <string>
 #include <vector>
@@ skipping 85 matching lines @@
   virtual void clearCachedMetadata(const blink::WebURL&);
   virtual void workerReadyForInspection();
 
   // Called on the main thread.
   virtual void workerContextFailedToStart();
 
   virtual void workerContextStarted(blink::WebServiceWorkerContextProxy* proxy);
   virtual void didEvaluateWorkerScript(bool success);
   virtual void didInitializeWorkerContext(v8::Local<v8::Context> context,
                                           const blink::WebURL& url);
-  virtual void willDestroyWorkerContext(v8::Local<v8::Context> context);
+  virtual void willDestroyWorkerContext();
   virtual void workerContextDestroyed();
   virtual void reportException(const blink::WebString& error_message,
                                int line_number,
                                int column_number,
                                const blink::WebString& source_url);
   virtual void reportConsoleMessage(int source,
                                     int level,
                                     const blink::WebString& message,
                                     int line_number,
                                     const blink::WebString& source_url);
@@ skipping 115 matching lines @@
   // Initialized on the worker thread in workerContextStarted and
   // destructed on the worker thread in willDestroyWorkerContext.
   scoped_ptr<WorkerContextData> context_;
 
   DISALLOW_COPY_AND_ASSIGN(ServiceWorkerContextClient);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_SERVICE_WORKER_SERVICE_WORKER_CONTEXT_CLIENT_H_