Update xp/moz/vm_peak_r.
Update xp/moz/vm_peak_r.

r39175's WebKit roll 54810:54839 gives a big drop
on vm_peak_r.

BUG=none
TEST=moz cycler goes green

Review URL: http://codereview.chromium.org/619003

git-svn-id: http://src.chromium.org/svn/trunk/src@39237 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: ecf07f1d4c8fa9cd04edbd1b3ec1548f21eaf404
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