Mark LookupFoundAndClear as flaky.
Mark LookupFoundAndClear as flaky.

BUG:26176

Review URL: http://codereview.chromium.org/343031

git-svn-id: http://src.chromium.org/svn/trunk/src@30427 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: 5217b22966004d2cdce42f712d0bc877dbbca60c
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