Extended the functionality of the testcase: testInstantCanDismiss to include more test coverage.
Extended the functionality of the testcase: testInstantCanDismiss to include more test coverage.

BUG=NONE
Test=NONE

Review URL: http://codereview.chromium.org/6260054

git-svn-id: http://src.chromium.org/svn/trunk/src@75041 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: 15b3f0eb42cbd5aa4b95c2c7a07ae04c5dd6922c
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