Fix .app generation to only occur when Chrome is found since it requires the ADD_CHROME_APP macro.
Fix .app generation to only occur when Chrome is found since it requires the ADD_CHROME_APP macro.

sirikata/sirikata,sirikata/sirikata,sirikata/sirikata,sirikata/sirikata,sirikata/sirikata,sirikata/sirikata,sirikata/sirikata,sirikata/sirikata