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

Source/WebCore/platform/win/Win32Handle.h

-/*
- * Copyright (C) 2011 Patrick Gansterer <paroga@paroga.com>
- *
- * 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 AND ITS 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 APPLE OR ITS 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 Win32Handle_h
-#define Win32Handle_h
-
-#include <memory>
-#include <windows.h>
-#include <wtf/Noncopyable.h>
-
-namespace WebCore {
-
-class Win32Handle {
-    WTF_MAKE_NONCOPYABLE(Win32Handle);
-public:
-    Win32Handle() : m_handle(INVALID_HANDLE_VALUE) { }
-    explicit Win32Handle(HANDLE handle) : m_handle(handle) { }
-
-    ~Win32Handle() { clear(); }
-
-    void clear()
-    {
-        if (!isValid())
-            return;
-        CloseHandle(m_handle);
-        m_handle = INVALID_HANDLE_VALUE;
-    }
-
-    bool isValid() const { return m_handle != INVALID_HANDLE_VALUE; }
-
-    HANDLE get() const { return m_handle; }
-    HANDLE release() { HANDLE ret = m_handle; m_handle = INVALID_HANDLE_VALUE; return ret; }
-
-    Win32Handle& operator=(HANDLE handle)
-    {
-        clear();
-        m_handle = handle;
-    }
-
-private:
-    HANDLE m_handle;
-};
-
-} // namespace WebCore
-
-#endif // Win32Handle_h