Remove calls to HandleScope default ctor.

Source/bindings/v8/ScriptState.cpp

 /*
  * Copyright (C) 2009, 2011 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 65 matching lines @@
     if (!scriptStateWrapper.IsEmpty() && scriptStateWrapper->IsExternal())
         return static_cast<ScriptState*>(v8::External::Cast(*scriptStateWrapper)->Value());
 
     ScriptState* scriptState = new ScriptState(context);
     innerGlobal->SetHiddenValue(V8HiddenPropertyName::scriptState(), v8::External::New(scriptState));
     return scriptState;
 }
 
 ScriptState* ScriptState::current()
 {
-    v8::HandleScope handleScope;
-    v8::Local<v8::Context> context = v8::Context::GetCurrent();
+    v8::Isolate* isolate = v8::Isolate::GetCurrent();
+    v8::HandleScope handleScope(isolate);
+    v8::Local<v8::Context> context = isolate->GetCurrentContext();
     ASSERT(!context.IsEmpty());
     return ScriptState::forContext(context);
 }
 
 void ScriptState::makeWeakCallback(v8::Isolate* isolate, v8::Persistent<v8::Context>* object, ScriptState* scriptState)
 {
     delete scriptState;
 }
 
 bool ScriptState::evalEnabled() const
 {
     v8::HandleScope handleScope(m_isolate);
     return context()->IsCodeGenerationFromStringsAllowed();
 }
 
 void ScriptState::setEvalEnabled(bool enabled)
 {
     v8::HandleScope handleScope(m_isolate);
     return context()->AllowCodeGenerationFromStrings(enabled);
 }
 
 ScriptState* mainWorldScriptState(Frame* frame)
 {
-    v8::HandleScope handleScope;
+    v8::HandleScope handleScope(frame->script()->isolate());
     return ScriptState::forContext(frame->script()->mainWorldContext());
 }
 
 ScriptState* scriptStateFromWorkerGlobalScope(WorkerGlobalScope* workerGlobalScope)
 {
     WorkerScriptController* script = workerGlobalScope->script();
     if (!script)
         return 0;
 
-    v8::HandleScope handleScope;
+    v8::HandleScope handleScope(script->isolate());
     return ScriptState::forContext(script->context());
 }
 
 }