Linux: convert some CHECK macros to more useful CHECK_* macros in the proxy config code.

Every now and then I am able to reproduce this bug, but it's very rare. I'd like to be able to see the failed comparison in my .xsession-errors next time.

BUG=75508

Review URL: http://codereview.chromium.org/9310080

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@120406 0039d316-1c4b-4281-b951-d872f2087c98
1 file changed