Converts ash to use aura-mus

ash/mus/window_properties.h

Index: ash/mus/window_properties.h
diff --git a/ash/mus/window_properties.h b/ash/mus/window_properties.h
new file mode 100644
index 0000000000000000000000000000000000000000..9ec3398af2d44ab43fa38cfdfda72b8d1e13d328
--- /dev/null
+++ b/ash/mus/window_properties.h
@@ -0,0 +1,23 @@
+// 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.
+
+#ifndef ASH_MUS_WINDOW_PROPERTIES_H_
+#define ASH_MUS_WINDOW_PROPERTIES_H_
+
+#include "ui/aura/aura_export.h"
+#include "ui/aura/window.h"
+
+namespace ash {
+namespace mus {
+
+// Maps to ui::mojom::WindowManager::kRendererParentTitleArea_Property.
+AURA_EXPORT extern const aura::WindowProperty<bool>* const

[James Cook, 2016/12/05 19:21:45]

ASH_EXPORT?

[sky, 2016/12/05 21:39:20]

Actually, no export is needed. Removed.

+    kRenderTitleAreaProperty;
+
+AURA_EXPORT extern const aura::WindowProperty<bool>* const kWindowIsJanky;

[James Cook, 2016/12/05 19:21:45]

nit: Document or point to mojo property it maps to.

[sky, 2016/12/05 21:39:20]

Done.

+
+}  // namespace mus
+}  // namespace ash
+
+#endif  // ASH_MUS_WINDOW_PROPERTIES_H_