Bug 982770: restore sidebar splitter and header styles on Windows 8. r=jaws, a=sledru.
Bug 984156 - Make subview footer menuseparators have a non-zero height to prevent bookmarks folder scrolling issues. r=mak, a=sledru.
Bug 986529 - invert tab close icons on windows classic, r=jaws, a=sledru.
Bug 984979 - Fix back button :active state on Windows 8, r=gijs, a=sledru.
Bug 985815 - fix customtoolbars test so it doesn't break subsequent tests, r=jaws, a=sledru.
Bug 985815 - propagate collapsed state to other windows, add test. r=jaws, a=sledru.
Bug 987615 - fix layout of buttons which are too long in customize mode, r=jaws, a=sledru.