It is time.

ui/aura/test/ui_controls_factory_aura.h

Index: ui/aura/test/ui_controls_factory_aura.h
diff --git a/ui/aura/test/ui_controls_factory_aura.h b/ui/aura/test/ui_controls_factory_aura.h
deleted file mode 100644
index b6752221a09e78f18815e18e08165683d16f4d0e..0000000000000000000000000000000000000000
--- a/ui/aura/test/ui_controls_factory_aura.h
+++ /dev/null
@@ -1,20 +0,0 @@
-// Copyright 2013 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_AURA_TEST_UI_CONTROLS_FACTORY_AURA_H_
-#define UI_AURA_TEST_UI_CONTROLS_FACTORY_AURA_H_
-
-#include "ui/base/test/ui_controls_aura.h"
-
-namespace aura {
-class WindowTreeHost;
-
-namespace test {
-
-ui_controls::UIControlsAura* CreateUIControlsAura(WindowTreeHost* host);
-
-}  // namespace test
-}  // namespace aura
-
-#endif  // UI_AURA_TEST_UI_CONTROLS_FACTORY_AURA_H_