Adding/updating a few more unittests for Crosperf.

BUG=None
Test=Ran all regression tests.  Ran 'normal' crosperf.

Change-Id: If1dcafee39f10c20c935908c466fbae8fdb23a35
Reviewed-on: https://chrome-internal-review.googlesource.com/166485
Reviewed-by: Han Shen <shenhan@google.com>
Commit-Queue: Caroline Tice <cmtice@google.com>
Tested-by: Caroline Tice <cmtice@google.com>
6 files changed