and "Just visit young array buffers during scavenge. Additionally keep the views in new space in a separate global list and move them to the corresponding array buffers when they get promoted."

This reverts commit 295ab278
and commit bd61a85f.

TBR=hpayer@chromium.org
NOTRY=true

Review URL: https://codereview.chromium.org/929973002

Cr-Commit-Position: refs/heads/master@{#26653}