Back out b80f97b00d2f (bug 979480), it's in the way of more immediately important work.  r=backout
Back out dd53db747a5e (bug 945152 part 2) to clear way for other fixing.  Should reland in short order (before merge) after those other fixes land.  r=backout
Back out a5377cd1e45e (bug 945152 part 1) to clear way for other fixing.  Also should reland in short order once those other fixes land.  r=backout
Bug 983344. r=sfink
Bug 982974 - Be paranoid about neutering ArrayBuffer objects.  r=sfink, r=jorendorff