workaround for profile manager dialog
Bug 814435 - Annotate layers for scrollbars as such. r=
Bug 814435 - Always layerize overlay scrollbars on B2G. r=
Bug 814435 - Apply a shadow transform to scrollbar layers to keep them in sync with async transforms. r=
Bug 814435 - Prevent scrollbars from fading out while user is scrolling. r=
metro scrollbars in imprecise mode