Propagates window type properties during aura-mus window creation

ui/aura/client/aura_constants.cc

Index: ui/aura/client/aura_constants.cc
diff --git a/ui/aura/client/aura_constants.cc b/ui/aura/client/aura_constants.cc
index 8287c8e4898c1f837e1ffd75a7199d098bc154e2..a588e5b6aefb826c9fb4010f0d214fa166b55b8f 100644
--- a/ui/aura/client/aura_constants.cc
+++ b/ui/aura/client/aura_constants.cc
@@ -4,6 +4,7 @@
 
 #include "ui/aura/client/aura_constants.h"
 
+#include "services/ui/public/interfaces/window_manager_constants.mojom.h"
 #include "ui/aura/window_property.h"
 #include "ui/gfx/geometry/rect.h"
 
@@ -15,6 +16,7 @@ DECLARE_EXPORTED_WINDOW_PROPERTY_TYPE(AURA_EXPORT, gfx::Rect*)
 DECLARE_EXPORTED_WINDOW_PROPERTY_TYPE(AURA_EXPORT, std::string*)
 DECLARE_EXPORTED_WINDOW_PROPERTY_TYPE(AURA_EXPORT, ui::InputMethod*)
 DECLARE_EXPORTED_WINDOW_PROPERTY_TYPE(AURA_EXPORT, ui::WindowShowState)
+DECLARE_EXPORTED_WINDOW_PROPERTY_TYPE(AURA_EXPORT, ui::mojom::WindowType);
 DECLARE_EXPORTED_WINDOW_PROPERTY_TYPE(AURA_EXPORT, void*)
 DECLARE_EXPORTED_WINDOW_PROPERTY_TYPE(AURA_EXPORT, SkColor)
 DECLARE_EXPORTED_WINDOW_PROPERTY_TYPE(AURA_EXPORT, int32_t)
@@ -51,6 +53,9 @@ DEFINE_OWNED_WINDOW_PROPERTY_KEY(base::string16, kTitleKey, nullptr);
 DEFINE_WINDOW_PROPERTY_KEY(int, kTopViewInset, 0);
 DEFINE_WINDOW_PROPERTY_KEY(SkColor, kTopViewColor, SK_ColorTRANSPARENT);
 DEFINE_OWNED_WINDOW_PROPERTY_KEY(gfx::ImageSkia, kWindowIconKey, nullptr);
+DEFINE_WINDOW_PROPERTY_KEY(ui::mojom::WindowType,
+                           kWindowTypeKey,
+                           ui::mojom::WindowType::UNKNOWN);
 
 }  // namespace client
 }  // namespace aura