Make several automation calls more solid. Should help with flakiness.
Make several automation calls more solid. Should help with flakiness.

TEST=none
BUG=none

Review URL: http://codereview.chromium.org/212048

git-svn-id: http://src.chromium.org/svn/trunk/src@26922 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: 0962a5e96ad6558e2940514b2ea39f0973fe6bd6
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