Fix various Mock classes & calls so dry runs work.

The --dry_run option has been failing because parameter changes in
real classes have not always been reflected in Mock classes.  This CL
fixes that.

BUG=chromium:545211
TEST=tested both real and --dry_run runs of Crosperf.

Change-Id: I0d0aa144e9fb3c40e1a95314691eacffb007cbe4
Reviewed-on: https://chrome-internal-review.googlesource.com/241525
Commit-Ready: Caroline Tice <cmtice@google.com>
Tested-by: Caroline Tice <cmtice@google.com>
Reviewed-by: Yunlian Jiang <yunlian@google.com>
4 files changed