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

chrome/renderer/chrome_content_renderer_client.cc

 // Copyright (c) 2012 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 "chrome/renderer/chrome_content_renderer_client.h"
 
 #include "base/command_line.h"
 #include "base/debug/crash_logging.h"
 #include "base/logging.h"
 #include "base/metrics/field_trial.h"
@@ skipping 1626 matching lines @@
 ChromeContentRendererClient::DidInitializeServiceWorkerContextOnWorkerThread(
     v8::Local<v8::Context> context,
     const GURL& url) {
 #if defined(ENABLE_EXTENSIONS)
   extensions::Dispatcher::DidInitializeServiceWorkerContextOnWorkerThread(
       context, url);
 #endif
 }
 
 void ChromeContentRendererClient::WillDestroyServiceWorkerContextOnWorkerThread(
-    v8::Local<v8::Context> context,
     const GURL& url) {
 #if defined(ENABLE_EXTENSIONS)
-  extensions::Dispatcher::WillDestroyServiceWorkerContextOnWorkerThread(context,
-                                                                        url);
+  extensions::Dispatcher::WillDestroyServiceWorkerContextOnWorkerThread(url);
 #endif
 }