1 files changed, 22 insertions, 0 deletions
diff --git a/layout/style/nsMediaFeatures.h b/layout/style/nsMediaFeatures.h
new file mode 100644
index 0000000000..9a7a13699d
--- /dev/null
+++ b/layout/style/nsMediaFeatures.h
@@ -0,0 +1,22 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+/* the features that media queries can test */
+
+#ifndef nsMediaFeatures_h_
+#define nsMediaFeatures_h_
+
+#include <stdint.h>
+#include "nsCSSProps.h"
+
+class nsMediaFeatures {
+ public:
+  static void InitSystemMetrics();
+  static void FreeSystemMetrics();
+  static void Shutdown();
+};
+
+#endif /* !defined(nsMediaFeatures_h_) */