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

Source/WebCore/platform/graphics/surfaces/egl/EGLXSurface.h

Index: Source/WebCore/platform/graphics/surfaces/egl/EGLXSurface.h
diff --git a/Source/WebCore/platform/graphics/surfaces/egl/EGLXSurface.h b/Source/WebCore/platform/graphics/surfaces/egl/EGLXSurface.h
deleted file mode 100644
index 1f2c4275705b3f481bb4cd8615163364f3764f0f..0000000000000000000000000000000000000000
--- a/Source/WebCore/platform/graphics/surfaces/egl/EGLXSurface.h
+++ /dev/null
@@ -1,59 +0,0 @@
-/*
- * Copyright (C) 2013 Intel Corporation. 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 INC. 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 INC. 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 EGLXSurface_h
-#define EGLXSurface_h
-
-#if PLATFORM(X11) && USE(EGL) && USE(GRAPHICS_SURFACE)
-
-#include "EGLSurface.h"
-#include <glx/X11Helper.h>
-
-namespace WebCore {
-
-typedef X11Helper NativeWrapper;
-typedef Pixmap NativePixmap;
-
-// Contents of the surface are backed by native window.
-class EGLWindowTransportSurface : public EGLTransportSurface {
-public:
-    EGLWindowTransportSurface(const IntSize&, GLPlatformSurface::SurfaceAttributes);
-    virtual ~EGLWindowTransportSurface();
-    virtual void swapBuffers() OVERRIDE;
-    virtual void destroy() OVERRIDE;
-};
-
-class EGLPixmapSurface : public EGLOffScreenSurface {
-public:
-    EGLPixmapSurface(GLPlatformSurface::SurfaceAttributes);
-    virtual ~EGLPixmapSurface();
-    virtual void destroy() OVERRIDE;
-};
-
-}
-
-#endif
-
-#endif