Remove dead ContextMenu code from Blink core

Source/core/platform/ContextMenu.h

 /*
  * Copyright (C) 2006 Apple Computer, 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
  *    notice, this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution.
  *
  * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``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 APPLE COMPUTER, INC. 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 ContextMenu_h
 #define ContextMenu_h
 
-#include <wtf/Noncopyable.h>
-
 #include "core/platform/ContextMenuItem.h"
-#include <wtf/text/WTFString.h>
+#include "wtf/Noncopyable.h"
+#include "wtf/Vector.h"
 
 namespace WebCore {
 
-    class ContextMenuController;
-
-    typedef void* PlatformContextMenu;
-
     class ContextMenu {
         WTF_MAKE_NONCOPYABLE(ContextMenu); WTF_MAKE_FAST_ALLOCATED;
     public:
-        ContextMenu();
-
-        const ContextMenuItem* itemWithAction(unsigned);
-
-        explicit ContextMenu(PlatformContextMenu);
-
-        PlatformContextMenu platformContextMenu() const;
-
-        static PlatformContextMenu createPlatformContextMenuFromItems(const Vector<ContextMenuItem>&);
-        static void getContextMenuItems(PlatformContextMenu, Vector<ContextMenuItem>&);
-
-        const ContextMenuItem* itemAtIndex(unsigned index) { return &m_items[index]; }
-
-        void setItems(const Vector<ContextMenuItem>& items) { m_items = items; }
+        ContextMenu() { }
+        const ContextMenuItem* itemWithAction(unsigned) const;
         const Vector<ContextMenuItem>& items() const { return m_items; }
-
         void appendItem(const ContextMenuItem& item) { m_items.append(item); }
 
     private:
         Vector<ContextMenuItem> m_items;
     };
 }
 
 #endif // ContextMenu_h