[bindings] Remove custom bindings required for Location.valueOf

Source/core/frame/Location.h

 /*
  * Copyright (C) 2008, 2010 Apple 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:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
@@ skipping 11 matching lines @@
  * (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 Location_h
 #define Location_h
 
+#include "bindings/core/v8/ScriptValue.h"
 #include "bindings/core/v8/ScriptWrappable.h"
 #include "core/dom/DOMStringList.h"
 #include "core/frame/DOMWindowProperty.h"
 #include "wtf/PassRefPtr.h"
 #include "wtf/RefCounted.h"
 #include "wtf/text/WTFString.h"
 
 namespace blink {
 
 class LocalDOMWindow;
@@ skipping 34 matching lines @@
     void setPathname(LocalDOMWindow* callingWindow, LocalDOMWindow* enteredWindow, const String&);
     String pathname() const;
     void setSearch(LocalDOMWindow* callingWindow, LocalDOMWindow* enteredWindow, const String&);
     String search() const;
     void setHash(LocalDOMWindow* callingWindow, LocalDOMWindow* enteredWindow, const String&);
     String hash() const;
     String origin() const;
 
     PassRefPtrWillBeRawPtr<DOMStringList> ancestorOrigins() const;
 
+    // Just return the |this| object the way the normal valueOf function on the Object prototype would.
+    // The valueOf function is only added to make sure that it cannot be overwritten on location
+    // objects, since that would provide a hook to change the string conversion behavior of location objects.
+    ScriptValue valueOf(const ScriptValue& thisObject) { return thisObject; }
+
     DECLARE_VIRTUAL_TRACE();
 
 private:
     explicit Location(Frame*);
 
     enum class SetLocation { Normal, ReplaceThisFrame };
     void setLocation(const String&, LocalDOMWindow* callingWindow, LocalDOMWindow* enteredWindow, SetLocation = SetLocation::Normal);
 
     const KURL& url() const;
 
     RawPtrWillBeMember<Frame> m_frame;
 };
 
 } // namespace blink
 
 #endif // Location_h