1 files changed, 4 insertions, 1 deletions
diff --git a/widget/nsBaseWidget.h b/widget/nsBaseWidget.h
index 0ac102f71d..72863cf166 100644
--- a/widget/nsBaseWidget.h
+++ b/widget/nsBaseWidget.h
@@ -187,6 +187,7 @@ class nsBaseWidget : public nsIWidget, public nsSupportsWeakReference {
   bool IsFullyOccluded() const override { return mIsFullyOccluded; }
 
   void SetCursor(const Cursor&) override;
+  void SetCustomCursorAllowed(bool) override;
   void ClearCachedCursor() final {
     mCursor = {};
     mUpdateCursor = true;
@@ -217,7 +218,8 @@ class nsBaseWidget : public nsIWidget, public nsSupportsWeakReference {
   // resources and possibly schedule another paint.
   //
   // A reference to the session object is held until this function has
-  // returned.
+  // returned. Callers should hold a reference to the widget, since this
+  // function could deallocate the widget if it is unparented.
   virtual void NotifyCompositorSessionLost(
       mozilla::layers::CompositorSession* aSession);
 
@@ -693,6 +695,7 @@ class nsBaseWidget : public nsIWidget, public nsSupportsWeakReference {
   RefPtr<mozilla::SwipeTracker> mSwipeTracker;
   mozilla::UniquePtr<mozilla::SwipeEventQueue> mSwipeEventQueue;
   Cursor mCursor;
+  bool mCustomCursorAllowed = true;
   BorderStyle mBorderStyle;
   LayoutDeviceIntRect mBounds;
   bool mIsTiled;