[dartium] Dart half of ScriptValue refactoring.

Source/bindings/v8/V8ScriptValue.h

 /*
  * Copyright (C) 2014 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 82 matching lines @@
 
     bool operator==(const V8ScriptValue& value) const
     {
         if (hasNoValue())
             return value.hasNoValue();
         if (value.hasNoValue())
             return false;
         return *m_value == *value.m_value;
     }
 
-    bool isEqual(ScriptState*, const V8ScriptValue& value) const
-    {
-        return operator==(value);
-    }
-
     // Note: This creates a new local Handle; not to be used in cases where is
     // is an efficiency problem.
     bool isFunction() const
     {
         ASSERT(!hasNoValue());
         v8::Handle<v8::Value> value = v8Value();
         return !value.IsEmpty() && value->IsFunction();
     }
 
     bool operator!=(const V8ScriptValue& value) const
@@ skipping 61 matching lines @@
         : m_isolate(isolate)
         , m_value(value.IsEmpty() ? nullptr : SharedPersistent<v8::Value>::create(value, isolate))
     {
     }
     
 };
 
 } // namespace WebCore
 
 #endif // V8ScriptValue_h