Linux: Catch X errors and force a crash.

BUG=45020
TEST=See http://crosbug.com/3487
Review URL: http://codereview.chromium.org/2716007

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@49488 0039d316-1c4b-4281-b951-d872f2087c98
5 files changed