Bug 935612.  Stop using TreatUndefinedAs in PhoneNumberService.  r=mhenretty
Bug 936634.  Drop support for [TreatUndefinedAs] in WebIDL.  r=peterv
Bug 937462.  Eliminate all uses of cloneNode() and importNode() without the boolean "deep" arg that are not explicitly testing the behavior of that case from the tree, since the semantics of it will change.  r=sicking
Bug 937465.  Warn when cloneNode() and importNode() are used without the boolean "deep" argument on nodes that have kids.  r=sicking
Bug 938246.  Don't try to tell the JIT that our booleans are 32-bit integers, when they're actually booleans.  r=efaust
Bug 937772.  Make better use of our out-of-band type information for unboxing object-valued return values of DOM getters and methods.  r=h4writer
Bug 932501.  Drop nextElementSibling/previousElementSibling from DocumentType.  r=smaug