Limit the usage of SharedPersistent to ScriptValue only

Source/bindings/v8/SharedPersistent.h

Index: Source/bindings/v8/SharedPersistent.h
diff --git a/Source/bindings/v8/SharedPersistent.h b/Source/bindings/v8/SharedPersistent.h
deleted file mode 100644
index 011462cdcfccd6007c6d429f42698919d6811eb3..0000000000000000000000000000000000000000
--- a/Source/bindings/v8/SharedPersistent.h
+++ /dev/null
@@ -1,69 +0,0 @@
-/*
- * Copyright (C) 2009 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
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *     * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * 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 SharedPersistent_h
-#define SharedPersistent_h
-
-#include "bindings/v8/ScopedPersistent.h"
-#include <v8.h>
-#include "wtf/PassRefPtr.h"
-#include "wtf/RefCounted.h"
-
-namespace WebCore {
-
-    template <typename T>
-    class SharedPersistent : public RefCounted<SharedPersistent<T> > {
-    WTF_MAKE_NONCOPYABLE(SharedPersistent);
-    public:
-        static PassRefPtr<SharedPersistent<T> > create(v8::Handle<T> value, v8::Isolate* isolate)
-        {
-            return adoptRef(new SharedPersistent<T>(value, isolate));
-        }
-
-        v8::Local<T> newLocal(v8::Isolate* isolate) const
-        {
-            return m_value.newLocal(isolate);
-        }
-
-        bool isEmpty() { return m_value.isEmpty(); }
-
-        bool operator==(const SharedPersistent<T>& other)
-        {
-            return m_value == other.m_value;
-        }
-
-    private:
-        explicit SharedPersistent(v8::Handle<T> value, v8::Isolate* isolate) : m_value(isolate, value) { }
-        ScopedPersistent<T> m_value;
-    };
-
-} // namespace WebCore
-
-#endif // SharedPersistent_h