Bug 829482 - Do shrinking GCs more often for workers. r=khuey, r=gwagner, a=lsblakk
Bug 837137 - Fix some errors in commandId usage. r=mdas, a=test-only
Bug 869394 - Turn on captive portal detection by default. r=fabrice, a=tef+
Bug 847809 - Add audio/amr to the supported decode type, but disable it if this AMR is loaded from Web pages. r=roc, a=leo+