--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebCore/platform/chromium/WindowsVersion.cpp	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,52 @@
+// Copyright (c) 2008, Google 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:
+// 
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * 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.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+// 
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT
+// OWNER 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.
+
+#include "config.h"
+#include "WindowsVersion.h"
+
+#include <windows.h>
+
+namespace WebCore {
+
+bool isVistaOrNewer()
+{
+    // Cache the result to avoid asking every time.
+    static bool haveResult = false;
+    static bool result = false;
+    if (!haveResult) {
+        OSVERSIONINFO versionInfo;
+        versionInfo.dwOSVersionInfoSize = sizeof(versionInfo);
+        GetVersionEx(&versionInfo);
+
+        haveResult = true;
+        result = versionInfo.dwMajorVersion >= 6;
+    }
+    return result;
+}
+
+} // namespace WebCore