Attempted fix for flaky test ShowModalDialogTest.BasicTest
Attempted fix for flaky test ShowModalDialogTest.BasicTest

I've left it marked flaky for now. We can watch the flakiness dashboard to see if it stops flaking after this prospective fix.

BUG=17806
TEST=not flaky

Review URL: http://codereview.chromium.org/6529009

git-svn-id: http://src.chromium.org/svn/trunk/src@75183 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: 482e94581255eb05d24f053cef258033564e519d
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