Add support for running ui_base_unittests to chrome_tests.py

BUG=none
TEST=./tools/valgrind/chrome_tests.sh -t ui_base
Review URL: http://codereview.chromium.org/6658004

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@77510 0039d316-1c4b-4281-b951-d872f2087c98
2 files changed