Reenable test_isolate_mode=check by default on OSX.

This is not necessary to default to noop anymore. Defaulting to check was
disabled on OSX because a problem during archival with symlink path case. This
was fixed inside swarm_client.

R=csharp@chromium.org
BUG=98637

Review URL: https://chromiumcodereview.appspot.com/14404011

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@195613 0039d316-1c4b-4281-b951-d872f2087c98
1 file changed