Index: ios/chrome/browser/ui/bookmarks/undo_manager_bridge_observer.h |
diff --git a/ios/chrome/browser/ui/bookmarks/undo_manager_bridge_observer.h b/ios/chrome/browser/ui/bookmarks/undo_manager_bridge_observer.h |
index b7eb76d9af7bc1c4cce27b796c19929fc6f6d895..0761fbb4c90c901aa4a53ce4d4fbdb5aebede945 100644 |
--- a/ios/chrome/browser/ui/bookmarks/undo_manager_bridge_observer.h |
+++ b/ios/chrome/browser/ui/bookmarks/undo_manager_bridge_observer.h |
@@ -24,7 +24,7 @@ class UndoManagerBridge : public UndoManagerObserver { |
private: |
void OnUndoManagerStateChange() override; |
- id<UndoManagerBridgeObserver> observer_; |
+ __weak id<UndoManagerBridgeObserver> observer_; |
}; |
} // namespace bookmarks |