rem: BookmarksMenuDNDObserver.onDragRemoveFeedBack(document.popupNode); aEvent.target.removeEventListener("mousemove", BookmarksMenuController.onMouseMove, false) 
context:   destroyContextMenu: function (aEvent)  {#   let''s focus the content (needed) when the user escape it    if (content)      content.focus();    BookmarksMenuDNDObserver.onDragRemoveFeedBack(document.popupNode); // needed on cancel    aEvent.target.removeEventListener("mousemove", BookmarksMenuController.onMouseMove, false)    // XXXpch: see bug 210910, it should be done properly in the backend    BookmarksMenuDNDObserver.mCurrentDragOverTarget = null;    BookmarksMenuDNDObserver.onDragCloseTarget();  },
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/0be63656d1e4c89a81ff7a928785682e671765a9/bookmarksMenu.js/buggy/browser/components/bookmarks/content/bookmarksMenu.js