Refactor RenderThemeChromiumDefault

Source/core/rendering/RenderThemeChromiumWin.h

Index: Source/core/rendering/RenderThemeChromiumWin.h
diff --git a/Source/core/rendering/RenderThemeChromiumWin.h b/Source/core/rendering/RenderThemeChromiumWin.h
new file mode 100644
index 0000000000000000000000000000000000000000..0a85204919c1a10291335802b468c8f3da3e6752
--- /dev/null
+++ b/Source/core/rendering/RenderThemeChromiumWin.h
@@ -0,0 +1,19 @@
+// Copyright 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef RenderThemeChromiumWin_h
+#define RenderThemeChromiumWin_h
+
+#include "core/rendering/RenderThemeChromiumDefault.h"
+
+namespace blink {
+
+class RenderThemeChromiumWin final : public RenderThemeChromiumDefault {
+public:
+    static PassRefPtr<RenderTheme> create();
+};
+
+} // namespace blink
+
+#endif // RenderThemeChromiumWin_h