It is time.

ui/views/view_constants_aura.cc

Index: ui/views/view_constants_aura.cc
diff --git a/ui/views/view_constants_aura.cc b/ui/views/view_constants_aura.cc
deleted file mode 100644
index caf964a311985e775e758040cf6ffa78b7e6daa7..0000000000000000000000000000000000000000
--- a/ui/views/view_constants_aura.cc
+++ /dev/null
@@ -1,18 +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.
-
-#include "ui/views/view_constants_aura.h"
-
-#include "ui/aura/window_property.h"
-#include "ui/views/view.h"
-
-DECLARE_EXPORTED_WINDOW_PROPERTY_TYPE(VIEWS_EXPORT, views::View*);
-
-namespace views {
-
-DEFINE_WINDOW_PROPERTY_KEY(views::View*, kHostViewKey, NULL);
-
-DEFINE_WINDOW_PROPERTY_KEY(bool, kDesktopRootWindow, false);
-
-}  // namespace views