Mark WorkerFileSystemTest.ResolveURLHttpTests FLAKY
Mark WorkerFileSystemTest.ResolveURLHttpTests FLAKY

The test has failed multiple times on memcheck+tsan bots. The bug has
been updated with examples.

BUG=77442
TEST=None

Review URL: http://codereview.chromium.org/6758022

git-svn-id: http://src.chromium.org/svn/trunk/src@79989 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: d7281e5f7e7e7b219a52b2015ac959ebe830250f
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