Fix a regression in checking the status of the touch events.

ui/base/touch/touch_enabled.h

Index: ui/base/touch/touch_enabled.h
diff --git a/ui/base/touch/touch_enabled.h b/ui/base/touch/touch_enabled.h
new file mode 100644
index 0000000000000000000000000000000000000000..3d91c3a2ff05a864cff4d91f761f4488198eb556
--- /dev/null
+++ b/ui/base/touch/touch_enabled.h
@@ -0,0 +1,18 @@
+// Copyright 2015 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_TOUCH_TOUCH_ENABLED_H_
+#define UI_BASE_TOUCH_TOUCH_ENABLED_H_
+
+#include "ui/base/ui_base_export.h"
+
+namespace ui {
+
+// Returns true if the touch-enabled flag is enabled, or if it is set to auto
+// and a touch device is present.
+UI_BASE_EXPORT bool AreTouchEventsEnabled();
+
+}  // namespace ui
+
+#endif  // UI_BASE_TOUCH_TOUCH_ENABLED_H_