Converts ash to use aura-mus

ash/mus/window_properties.cc

Index: ash/mus/window_properties.cc
diff --git a/ash/mus/window_properties.cc b/ash/mus/window_properties.cc
new file mode 100644
index 0000000000000000000000000000000000000000..31a29665677029fa504b6c5fa75c650f2e583a5b
--- /dev/null
+++ b/ash/mus/window_properties.cc
@@ -0,0 +1,19 @@
+// Copyright 2016 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 "ash/mus/window_properties.h"
+
+#include "ui/aura/window_property.h"
+
+namespace ash {
+namespace mus {
+
+DEFINE_WINDOW_PROPERTY_KEY(bool, kRenderTitleAreaProperty, false);
+
+// Set to true if the window server tells us the window is janky (see
+// WindowManagerDelegate::OnWmClientJankinessChanged()).

[James Cook, 2016/12/05 22:56:34]

Either this should go in the header, or the other one should go in the .cc file.

[sky, 2016/12/06 00:56:16]

Done.

+DEFINE_WINDOW_PROPERTY_KEY(bool, kWindowIsJanky, false);
+
+}  // namespace mus
+}  // namespace ash