Remove calls to HandleScope default ctor.

Source/bindings/v8/DOMRequestState.h

 /*
  * Copyright (C) 2012 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:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
@@ skipping 21 matching lines @@
 #include "v8.h"
 #include "wtf/RefPtr.h"
 
 namespace WebCore {
 
 class DOMRequestState {
 public:
     explicit DOMRequestState(ScriptExecutionContext* scriptExecutionContext)
         : m_scriptExecutionContext(scriptExecutionContext)
         , m_world(DOMWrapperWorld::current())
+        , m_isolate(getIsolateFromScriptExecutionContext(scriptExecutionContext))
     {
     }
 
     void clear()
     {
         m_scriptExecutionContext = 0;
         m_world.clear();
     }
 
     class Scope {
     public:
         explicit Scope(DOMRequestState& state)
-            : m_contextScope(state.context())
+            : m_handleScope(state.isolate())
+            , m_contextScope(state.context())
         {
         }
     private:
         v8::HandleScope m_handleScope;
         v8::Context::Scope m_contextScope;
     };
 
     v8::Local<v8::Context> context()
     {
         return toV8Context(m_scriptExecutionContext, m_world.get());
     }
 
+    v8::Isolate* isolate() const
+    {
+        return m_isolate;
+    }
+
 private:
     ScriptExecutionContext* m_scriptExecutionContext;
     RefPtr<DOMWrapperWorld> m_world;
+    v8::Isolate* m_isolate;
 };
 
 }
 #endif