Bug 1086673 - Log console/warn/info/dir/error messages sent over the socket for Gu tests, r=julienw
Merge pull request #25385 from jonallengriffin/gulogging

Bug 1086673 - Log console/warn/info/dir/error messages sent over the soc...
Revert "Bug 941969 - Optimize JS for system app"

This reverts commit 66e26679d4ecd7b1d0a013555e3b33871354046d.