Unflaky WorkerTest.OpenDatabaseSyncInputs.
Unflaky WorkerTest.OpenDatabaseSyncInputs.

BUG=47518
TEST=none

Review URL: http://codereview.chromium.org/2832042

git-svn-id: http://src.chromium.org/svn/trunk/src@51344 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: 86a70d5da3a475921e464177084994d1bb3313f9
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