[dartium] Dart half of ScriptValue refactoring.

Source/bindings/dart/DartPersistentValue.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:
  *
  *     * 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 10 matching lines @@
  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-#ifndef DartScriptValue_h
-#define DartScriptValue_h
+#ifndef DartPersistentValue_h
+#define DartPersistentValue_h
 
 #include "bindings/dart/DartIsolateDestructionObserver.h"
-
+#include "wtf/Noncopyable.h"
+#include "wtf/RefPtr.h"
 #include <dart_api.h>
-#include <wtf/Noncopyable.h>
-#include <wtf/RefPtr.h>
 
 namespace WebCore {
 
-class DartScriptValue : public DartIsolateDestructionObserver {
-    WTF_MAKE_NONCOPYABLE(DartScriptValue);
+class DartPersistentValue : public DartIsolateDestructionObserver {
+    WTF_MAKE_NONCOPYABLE(DartPersistentValue);
 public:
-    explicit DartScriptValue(Dart_Handle value);
-    ~DartScriptValue();
+    explicit DartPersistentValue(Dart_Handle value);
+    ~DartPersistentValue();
 
     Dart_PersistentHandle value() { return m_value; }
 
 private:
     Dart_PersistentHandle m_value;
 };
 
 }
 
-#endif // DartScriptValue_h
+#endif // DartPersistentValue_h