www/chromium: update to 43.0.2357.132
Modify the UI code for button labels to be more consistent with the UI found
in Linux versions of Chromium.
Modify the process code to use kqueue to wait on non-child processes, as is
done on OSX, rather than doing the default which is nothing.
Submitted by: LeFroid
Obtained from: https://github.com/gliaskos/freebsd-chromium/pull/22