Adjust perf expectations after v8 and ref roll.
Adjust perf expectations after v8 and ref roll.

  mac-release-10.5/intl1/times/t
  mac-release-10.5/intl2/times/t
  mac-release-10.5/startup/times/t
  mac-release-10.5/v8_benchmark/score/score
  mac-release-10.6/v8_benchmark/score/score
  vista-release-dual-core/v8_benchmark/score/score
  xp-release-dual-core/intl1/times/t
  xp-release-dual-core/intl2/times/t
  xp-release-dual-core/morejs/times/t
  xp-release-dual-core/v8_benchmark/score/score

BUG=none
TEST=perf steps are green
TBR=nsylvain@chromium.org

Review URL: http://codereview.chromium.org/5781007

git-svn-id: http://src.chromium.org/svn/trunk/src@69078 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: c9d116f444eec9b9539a523ded3dc62c25c6fec0
meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser