Bug 962443. Make layout frame tree dumping code work better for Fennec and b2g. r=mats
Bug 962505. When dumping display lists print the entire line at once so it works better with Fennec and b2g. r=mats
Bug 962505. Put the scroll frame and the scrolled frame in the display list dump for scroll layer items. r=mats
Bug 963771. Add a debug dump function to print a single display item (and not just an entire display list). r=mats