Measure the impact of a proposed media element load algorithm change

https://github.com/whatwg/html/issues/869#issuecomment-196189743

R=mlamouri@chromium.org,isherman@chromium.org

Review URL: https://codereview.chromium.org/1809023003

Cr-Commit-Position: refs/heads/master@{#381787}
3 files changed