Register array buffer right after writing it into the object
Register array buffer right after writing it into the object

BUG=chromium:504875
R=hpayer@chromium.org
LOG=n

Review URL: https://codereview.chromium.org/1215103003

Cr-Commit-Position: 972c6d2dc6dd5efdad1377c0d224e03eb8f276f7@{#29377}

UniversalFuture/moosh,UniversalFuture/moosh,UniversalFuture/moosh,UniversalFuture/moosh