This improves readability and encapsulation of the code.

Change-Id: Ifbca8441941a1776797937c973a064153818c859
Notry: true
Bug: v8:7327
Reviewed-on: https://chromium-review.googlesource.com/c/1396423
Commit-Queue: Sigurd Schneider <sigurds@chromium.org>
Reviewed-by: Georg Neis <neis@chromium.org>
Cr-Commit-Position: refs/heads/master@{#58578}