WebCore: Remove PLATFORM(WIN) files we do not use.

Source/WebCore/platform/graphics/win/RefCountedGDIHandle.h

-/*
- * Copyright (C) 2006, 2007, 2008, 2010 Apple Inc.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Library General Public License for more details.
- *
- * You should have received a copy of the GNU Library General Public License
- * along with this library; see the file COPYING.LIB.  If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
- * Boston, MA 02110-1301, USA.
- *
- */
-
-#ifndef RefCountedGDIHandle_h
-#define RefCountedGDIHandle_h
-
-#include <windows.h>
-#include <wtf/HashFunctions.h>
-#include <wtf/OwnPtr.h>
-#include <wtf/RefCounted.h>
-
-namespace WebCore {
-
-template <typename T> class RefCountedGDIHandle : public RefCounted<RefCountedGDIHandle<T> > {
-public:
-    static PassRefPtr<RefCountedGDIHandle> create(T handle)
-    {
-        return adoptRef(new RefCountedGDIHandle<T>(handle));
-    }
-
-    static PassRefPtr<RefCountedGDIHandle<T> > createDeleted()
-    {
-        return adoptRef(new RefCountedGDIHandle<T>(reinterpret_cast<T>(-1)));
-    }
-
-    ~RefCountedGDIHandle()
-    {
-        if (m_handle != reinterpret_cast<T>(-1))
-            WTF::deleteOwnedPtr(m_handle);
-    }
-
-    T handle() const
-    {
-        return m_handle;
-    }
-
-    unsigned hash() const
-    {
-        return WTF::PtrHash<T>::hash(m_handle);
-    }
-
-private:
-    RefCountedGDIHandle(T handle)
-        : m_handle(handle)
-    {
-    }
-
-    T m_handle;
-};
-
-} // namespace WebCore
-
-#endif // RefCountedGDIHandle_h