Gardening: Mark fast/dom/HTMLMeterElement/meter-element.html for rebaseline

TBR=morrita@chromium.org

Review URL: https://codereview.chromium.org/124243003

git-svn-id: svn://svn.chromium.org/blink/trunk@164464 bbb929c8-8fbe-4397-9dbb-9b2b20218538