QuitDraggingObserver  101 chrome/browser/ui/views/tabs/tab_drag_controller_interactive_uitest.cc   DISALLOW_COPY_AND_ASSIGN(QuitDraggingObserver);
QuitDraggingObserver  140 chrome/browser/ui/views/tabs/tab_drag_controller_interactive_uitest.cc   new QuitDraggingObserver();  // QuitDraggingObserver deletes itself.