AddUndoGroup       94 chrome/browser/undo/undo_manager.cc     AddUndoGroup(new_action);
AddUndoGroup      114 chrome/browser/undo/undo_manager.cc     AddUndoGroup(pending_grouped_action_.release());
AddUndoGroup       92 chrome/browser/undo/undo_manager.h   void AddUndoGroup(UndoGroup* new_undo_group);