Remove more calls to HandleScope default ctor.

chrome/renderer/extensions/extension_helper.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/extensions/extension_helper.h"
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/command_line.h"
 #include "base/json/json_string_value_serializer.h"
@@ skipping 335 matching lines @@
 void ExtensionHelper::OnUpdateBrowserWindowId(int window_id) {
   browser_window_id_ = window_id;
 }
 
 void ExtensionHelper::OnAddMessageToConsole(ConsoleMessageLevel level,
                                             const std::string& message) {
   console::AddMessage(render_view(), level, message);
 }
 
 void ExtensionHelper::OnAppWindowClosed() {
-  v8::HandleScope scope;
+  v8::HandleScope scope(v8::Isolate::GetCurrent());
   v8::Handle<v8::Context> script_context =
       render_view()->GetWebView()->mainFrame()->mainWorldScriptContext();
   ChromeV8Context* chrome_v8_context =
       dispatcher_->v8_context_set().GetByV8Context(script_context);
   if (!chrome_v8_context)
     return;
   chrome_v8_context->module_system()->CallModuleMethod(
       "app.window", "onAppWindowClosed");
 }
 
 }  // namespace extensions