Removing unused functions from JSONValues class

Source/platform/JSONValues.cpp

 /*
  * Copyright (C) 2010 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 112 matching lines @@
 bool JSONValue::asNumber(unsigned*) const
 {
     return false;
 }
 
 bool JSONValue::asString(String*) const
 {
     return false;
 }
 
-bool JSONValue::asValue(RefPtr<JSONValue>* output)
-{
-    *output = this;
-    return true;
-}
-
 bool JSONValue::asObject(RefPtr<JSONObject>*)
 {
     return false;
 }
 
 bool JSONValue::asArray(RefPtr<JSONArray>*)
 {
     return false;
 }
 
@@ skipping 378 matching lines @@
     m_data.append(value);
 }
 
 PassRefPtr<JSONValue> JSONArrayBase::get(size_t index)
 {
     ASSERT_WITH_SECURITY_IMPLICATION(index < m_data.size());
     return m_data[index];
 }
 
 } // namespace blink