Bug 839054 - Both "Open Containing Folder" and "Show in Finder" were being used in the Downloads Panel on OSX. r=mak.
Bug 838175 - Downloads indicator wasn't turning green on completed downloads in tabs-on-bottom mode. r=mak.
Bug 807883: Use the new PL_SizeOfArenaPoolExcludingPool function
in NSPR 4.9.6. Portions of the patch were written by Nicholas
Nethercote <n.nethercote@gmail.com>. r=n.nethercote.