Handle certificate generation errors in chromoting host.

Sometimes self-signed cert generation may fail. In that case it's better to shutdown
host instead of crashing.

BUG=146839


Review URL: https://chromiumcodereview.appspot.com/10919277

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@156736 0039d316-1c4b-4281-b951-d872f2087c98
4 files changed