GitLab

Last update to Pica pageset did not use vulcanizer, so load
time regressed by 75-100%. Now fixed.

TBR=ykyyip@chromium.org,tonyg@chromium.org
NOTRY=true

Review URL: https://codereview.chromium.org/599673002

Cr-Commit-Position: refs/heads/master@{#296281}