Refactor RenderThemeChromiumDefault

Source/core/rendering/RenderThemeChromiumWin.cpp

Index: Source/core/rendering/RenderThemeChromiumWin.cpp
diff --git a/Source/core/rendering/RenderThemeChromiumWin.cpp b/Source/core/rendering/RenderThemeChromiumWin.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..9cfc18bc051fc3bec9c62bde6fc12965609e93b3
--- /dev/null
+++ b/Source/core/rendering/RenderThemeChromiumWin.cpp
@@ -0,0 +1,21 @@
+// 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.
+
+#include "config.h"
+#include "core/rendering/RenderThemeChromiumWin.h"
+
+namespace blink {
+
+PassRefPtr<RenderTheme> RenderThemeChromiumWin::create()
+{
+    return adoptRef(new RenderThemeChromiumWin());
+}
+
+RenderTheme& RenderTheme::theme()
+{
+    DEFINE_STATIC_REF(RenderTheme, renderTheme, (RenderThemeChromiumWin::create()));
+    return *renderTheme;
+}
+
+} // namespace blink