Calling set_ignore_failure(true) in NoRollbackWorkItemList.
Calling set_ignore_failure(true) in NoRollbackWorkItemList.

TEST=none
BUG=none

Review URL: http://codereview.chromium.org/6286105

git-svn-id: http://src.chromium.org/svn/trunk/src@73806 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: 5e073df36b149348b7d3dd0d4bddb2259c4eb1d0
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