Add WindowPinType property on arua::Window

components/exo/wayland/server.cc

Index: components/exo/wayland/server.cc
diff --git a/components/exo/wayland/server.cc b/components/exo/wayland/server.cc
index af6732c0b8b2f3e164ff5715c203495d02cf0d17..c62e8143c744d0abdd7806bab8cb6cf104be2fb3 100644
--- a/components/exo/wayland/server.cc
+++ b/components/exo/wayland/server.cc
@@ -1951,11 +1951,15 @@ void remote_surface_unfullscreen(wl_client* client, wl_resource* resource) {
 void remote_surface_pin(wl_client* client,
                         wl_resource* resource,
                         int32_t trusted) {
-  GetUserDataAs<ShellSurface>(resource)->SetPinned(true, trusted);
+  ash::mojom::WindowPinType type =

[reveman, 2017/04/04 18:26:16]

optional nit: no need for this temporary variable

[Peng, 2017/04/04 19:43:49]

Done.

+      trusted ? ash::mojom::WindowPinType::TRUSTED_PINNED
+              : ash::mojom::WindowPinType::PINNED;
+  GetUserDataAs<ShellSurface>(resource)->SetPinned(type);
 }
 
 void remote_surface_unpin(wl_client* client, wl_resource* resource) {
-  GetUserDataAs<ShellSurface>(resource)->SetPinned(false, /* trusted */ false);
+  GetUserDataAs<ShellSurface>(resource)->SetPinned(
+      ash::mojom::WindowPinType::NONE);
 }
 
 void remote_surface_set_system_modal(wl_client* client, wl_resource* resource) {