Back out caa83f3d823e, Windows bustage.  r=bustage in a CLOSED TREE
Bug 920840 - Crash when JS-implemented WebIDL's init method returns a value other than undefined. r=bz
Bug 922028 - Only intern iterator result object shapes in compileAndGo mode. r=jorendorff
Bug 848731 - Deleting nodes or container frames now resets the markup, highlighter, css views accordingly. r=paul