Enable content unit tests for all bots running 'unit' tests
Enable content unit tests for all bots running 'unit' tests

BUG=90443
TEST=none
Review URL: http://codereview.chromium.org/7607033

git-svn-id: 239fca9b83025a0b6f823aeeca02ba5be3d9fd76@96337 0039d316-1c4b-4281-b951-d872f2087c98

eunchong/build,eunchong/build,eunchong/build,eunchong/build