Version 3.27.34.16 (merged r23552)

Add mapping of test groups to test driver.

TBR=bmeurer@chromium.org
BUG=

Review URL: https://codereview.chromium.org/530733002

git-svn-id: https://v8.googlecode.com/svn/branches/3.27@23555 ce2b1a6d-e550-0410-aec6-3dcde31c8c00