Bug 1039623 - Set scroll parent id correctly for nsSubDOcumentFrame. r=tn
Bug 1033522 - Only initialize the Windows Group ID for plugin processes: other process types don't need it. Refactor the saved GRE dir to use a path rather than a non-threadsafe nsIFile object, r=jimm

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extra : rebase_source : d15c56da6cc5679516b259a6fc7efb31b070f715
Bug 1037858 - B2G mochitest mach command should fail early if running with PRODUCTION=1 or VARIANT=user, r=jgriffin, DONTBUILD, a=NPOTB