Third bulk of changes.

BUG=v8:6116

Change-Id: I26f5c03a44e55a998e71160a42f6e2c1509f41c7
Reviewed-on: https://chromium-review.googlesource.com/458197Reviewed-by: Jakob Gruber <jgruber@chromium.org>
Commit-Queue: Igor Sheludko <ishell@chromium.org>
Cr-Commit-Position: refs/heads/master@{#44011}