Fix tests ImporterTest.Firefox2Importer and Firefox3Importer.
Fix tests ImporterTest.Firefox2Importer and Firefox3Importer.

BUG=4185
Review URL: http://codereview.chromium.org/9484

git-svn-id: http://src.chromium.org/svn/trunk/src@5106 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: d98793b71dfd637e3c28cdf88dd8997b479cac52
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