Index: ui/aura/window_tree_host_observer.h |
diff --git a/ui/aura/window_tree_host_observer.h b/ui/aura/window_tree_host_observer.h |
index d96e9d3b24dc1230deb2ab5920787bcbff2db98f..257bd553504927686f33a1cdf9c8428b00e37fb7 100644 |
--- a/ui/aura/window_tree_host_observer.h |
+++ b/ui/aura/window_tree_host_observer.h |
@@ -24,6 +24,10 @@ class AURA_EXPORT WindowTreeHostObserver { |
virtual void OnHostMoved(const WindowTreeHost* host, |
const gfx::Point& new_origin) {} |
+ // Called when the host is moved on screen. |
+ virtual void OnHostWorkspaceChanged(const WindowTreeHost* host, |
+ int workspace_id) {} |
+ |
// Called when the native window system sends the host request to close. |
virtual void OnHostCloseRequested(const WindowTreeHost* host) {} |