Temporarily revert r221850 to get a tighter range on XP perf bots

BUG=287816

Review URL: https://codereview.chromium.org/26663003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@228312 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 228312