pass --enable-extensions on from manual-chrome-launcher (#2735)
pass --enable-extensions on from manual-chrome-launcher (#2735)


deepanjanroy/lighthouse,ev1stensberg/lighthouse,GoogleChrome/lighthouse,umaar/lighthouse,GoogleChrome/lighthouse,ev1stensberg/lighthouse,mixed/lighthouse,ev1stensberg/lighthouse,deepanjanroy/lighthouse,mixed/lighthouse,tkadlec/lighthouse,arturmiz/lighthouse,wardpeet/lighthouse,ev1stensberg/lighthouse,GoogleChrome/lighthouse,GoogleChrome/lighthouse,umaar/lighthouse,tkadlec/lighthouse,tkadlec/lighthouse,wardpeet/lighthouse,arturmiz/lighthouse,umaar/lighthouse,mixed/lighthouse,wardpeet/lighthouse,wardpeet/lighthouse,arturmiz/lighthouse,deepanjanroy/lighthouse,mixed/lighthouse,deepanjanroy/lighthouse,arturmiz/lighthouse,arturmiz/lighthouse,deepanjanroy/lighthouse,GoogleChrome/lighthouse,tkadlec/lighthouse,wardpeet/lighthouse,umaar/lighthouse