Mac: Fix enabling & checkmarks in translate infobar options menu.
Mac: Fix enabling & checkmarks in translate infobar options menu.

BUG=39819
TEST=Selecting "always translate" from the translate infobar options menu, a checkmark should appear next to it and the "never translate" options should be grayed out.

Review URL: http://codereview.chromium.org/1559036

git-svn-id: de016e52bd170d2d4f2344f9bf92d50478b649e0@44824 0039d316-1c4b-4281-b951-d872f2087c98

gavinp/chromium,adobe/chromium,yitian134/chromium,gavinp/chromium,yitian134/chromium,Crystalnix/house-of-life-chromium,gavinp/chromium,Crystalnix/house-of-life-chromium,gavinp/chromium,ropik/chromium,ropik/chromium,adobe/chromium,ropik/chromium,gavinp/chromium,adobe/chromium,ropik/chromium,Crystalnix/house-of-life-chromium,ropik/chromium,yitian134/chromium,adobe/chromium,adobe/chromium,ropik/chromium,ropik/chromium,Crystalnix/house-of-life-chromium,yitian134/chromium,Crystalnix/house-of-life-chromium,gavinp/chromium,Crystalnix/house-of-life-chromium,Crystalnix/house-of-life-chromium,ropik/chromium,gavinp/chromium,yitian134/chromium,adobe/chromium,Crystalnix/house-of-life-chromium,adobe/chromium,adobe/chromium,yitian134/chromium,Crystalnix/house-of-life-chromium,gavinp/chromium,gavinp/chromium,gavinp/chromium,Crystalnix/house-of-life-chromium,yitian134/chromium,yitian134/chromium,adobe/chromium,ropik/chromium,yitian134/chromium,yitian134/chromium,adobe/chromium,Crystalnix/house-of-life-chromium,adobe/chromium