Metro/HiDPI: Use metro resource pak in metro mode

ui/base/win/metro.h

Index: ui/base/win/metro.h
diff --git a/ui/base/win/metro.h b/ui/base/win/metro.h
new file mode 100644
index 0000000000000000000000000000000000000000..6f7ff87bd2517ff054bc4bc54898decc585443b0
--- /dev/null
+++ b/ui/base/win/metro.h
@@ -0,0 +1,18 @@
+// Copyright (c) 2012 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 UI_BASE_WIN_METRO_H_
+#define UI_BASE_WIN_METRO_H_
+#pragma once
+
+#include "base/basictypes.h"
+#include "ui/base/ui_export.h"
+
+namespace ui {
+
+UI_EXPORT bool IsInMetroMode();
+
+}  // namespace ui
+
+#endif  // UI_BASE_WIN_METRO_H_