Bug 1012480 - Do not treat star generator's iterator as legacy generator's iterator in for..in loop. r=jorendorff
Bug 957445: Part 1 - Scrolling moved from nsScrollbarButtonFrame and nsSliderFrame into nsIScrollbarMediator, r=mats
Bug 957445: Part 2 - nsHTML/XULScrollFrame implement nsIScrollbarMediator, r=mats
Bug 957445: Part 3 - combines nsIScrollbarOwner with nsIScrollbarMediator, r=mats