Remove more calls to HandleScope default ctor.

chrome/renderer/extensions/app_window_custom_bindings.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/app_window_custom_bindings.h"
 
 #include <string>
 
 #include "base/command_line.h"
 #include "chrome/common/chrome_switches.h"
@@ skipping 20 matching lines @@
       content::RenderView* view, Dispatcher* dispatcher)
       : content::RenderViewObserver(view), dispatcher_(dispatcher) {
   }
 
   virtual void DidCreateDocumentElement(WebKit::WebFrame* frame) OVERRIDE {
     DCHECK(frame);
     DCHECK(dispatcher_);
     // Don't attempt to inject the titlebar into iframes.
     if (frame->parent())
       return;
-    v8::HandleScope handle_scope;
+    v8::HandleScope handle_scope(v8::Isolate::GetCurrent());
     ChromeV8Context* v8_context =
         dispatcher_->v8_context_set().GetByV8Context(
             frame->mainWorldScriptContext());
 
     if (!v8_context)
       return;
     v8::Context::Scope context_scope(v8_context->v8_context());
     v8_context->module_system()->CallModuleMethod(
         "injectAppTitlebar", "didCreateDocumentElement");
   }
@@ skipping 69 matching lines @@
         ResourceBundle::GetSharedInstance().GetRawDataResource(
             IDR_WINDOW_CONTROLS_TEMPLATE_HTML).as_string());
     scoped_ptr<content::V8ValueConverter> converter(
         content::V8ValueConverter::create());
     result = converter->ToV8Value(value, context()->v8_context());
   }
   args.GetReturnValue().Set(result);
 }
 
 }  // namespace extensions