Http Cache: Enable some checks to track a low volume crash.
Http Cache: Enable some checks to track a low volume crash.

BUG=47895
TEST=none



Review URL: http://codereview.chromium.org/2996006

git-svn-id: http://src.chromium.org/svn/trunk/src@52779 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: 36c2a2a48021a63d8ebd146a12bad4a20daa545a
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