Perf expectations update.
Perf expectations update.

Relax "Linux perf morejs" variance.  (Test variance too
high to give us useful "improved" results.)  Repin and
relax "XP perf warm startup".

BUG=none
TEST=none

Review URL: http://codereview.chromium.org/266041

git-svn-id: http://src.chromium.org/svn/trunk/src@28561 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: 55b22e6f3094bb6eac4510dfe631e3219a547367
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