mash: Add status area container to mash window manager

mash/wm/property_util.h

Index: mash/wm/property_util.h
diff --git a/mash/wm/property_util.h b/mash/wm/property_util.h
index eff367e324de26ed5fdf718e974d19dc358d1511..3bcda5888e6b9eca41ea44f441fa74cbbc6753d4 100644
--- a/mash/wm/property_util.h
+++ b/mash/wm/property_util.h
@@ -7,6 +7,7 @@
 
 #include "components/mus/public/cpp/window.h"
 #include "components/mus/public/interfaces/window_manager_constants.mojom.h"
+#include "mash/wm/public/interfaces/ash_window_type.mojom.h"
 #include "mash/wm/public/interfaces/container.mojom.h"
 
 namespace gfx {
@@ -51,6 +52,8 @@ mus::mojom::WindowType GetWindowType(const mus::Window* window);
 mus::mojom::WindowType GetWindowType(
     const mus::Window::SharedProperties& window);
 
+mojom::AshWindowType GetAshWindowType(const mus::Window* window);
+
 base::string16 GetWindowTitle(const mus::Window* window);
 
 mojo::Array<uint8_t> GetWindowAppIcon(const mus::Window* window);