Check cert_handle_ is not NULL to Verify()
Check cert_handle_ is not NULL to Verify()

If X509Certificate is created in URLRequestAutomationJob or
URLRequestInterceptJob, cert_handle_ is NULL.
So if such certificate is being to be verified (not sure it happens), it would cause crash or some
problem.

BUG=15614
TEST=none

Review URL: http://codereview.chromium.org/329036

git-svn-id: http://src.chromium.org/svn/trunk/src@30319 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: 62182dcafea76ed53e9cbafda4302c89ce6e3c05
meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser