GitLab

Added proxy as switches as arguments passed to command line.
BUG=chromedriver:287
NOTRY=true

Review URL: https://chromiumcodereview.appspot.com/13185004

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@192836 0039d316-1c4b-4281-b951-d872f2087c98