Promotes remaining global window manager state into WindowManagerState

components/mus/ws/display_manager_delegate.h

Index: components/mus/ws/display_manager_delegate.h
diff --git a/components/mus/ws/display_manager_delegate.h b/components/mus/ws/display_manager_delegate.h
index e32d3331976b1819ad4276eef636c32bdeab6156..9d59e2fba8b2470c6853c2580e6915e05b317d41 100644
--- a/components/mus/ws/display_manager_delegate.h
+++ b/components/mus/ws/display_manager_delegate.h
@@ -12,6 +12,7 @@ namespace mus {
 namespace ws {
 
 class Display;
+class WindowManagerState;
 
 class DisplayManagerDelegate {
  public:
@@ -24,6 +25,9 @@ class DisplayManagerDelegate {
       const UserId& user_id,
       mojom::FrameDecorationValuesPtr* values) = 0;
 
+  virtual WindowManagerState* GetWindowManagerStateForUser(
+      const UserId& user_id) = 0;
+
  protected:
   virtual ~DisplayManagerDelegate() {}
 };