%s/num_window_manger_states/num_window_manager_states/g

services/ui/ws/display.h

Index: services/ui/ws/display.h
diff --git a/services/ui/ws/display.h b/services/ui/ws/display.h
index 679a338fab81a596d4d1ccd6e1576c685c2ea6aa..2fae94d743b8df52b14bc9267ddc2b1df7b6fd94 100644
--- a/services/ui/ws/display.h
+++ b/services/ui/ws/display.h
@@ -109,7 +109,7 @@ class Display : public PlatformDisplayDelegate,
         const_cast<const Display*>(this)->GetActiveWindowManagerDisplayRoot());
   }
   const WindowManagerDisplayRoot* GetActiveWindowManagerDisplayRoot() const;
-  size_t num_window_manger_states() const {
+  size_t num_window_manager_states() const {
     return window_manager_display_root_map_.size();
   }