Update InfoBarUtil to use TouchCommon over TestTouchUtils.

TouchCommon utils are preferable for test use because they work
even if there is a crash dialog on the screen from a previous test.
This makes the tests run more robustly.

BUG=320084
NOTRY=true

Review URL: https://codereview.chromium.org/105173003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@243203 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 243203