GitLab

Fixed unclean exit watching to work on CrOS
Added a cleaner waiting structure to renderer crash to see if it clears up the
CrOS ASAN error.

BUG=137726, 130212


Review URL: https://chromiumcodereview.appspot.com/10815079

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@149697 0039d316-1c4b-4281-b951-d872f2087c98