For instance, now there's only one place where the
destination file is chosen.

Bug: v8:7790
Change-Id: I8d6a093808fec1d47aee78748537c5c22169e79b
Reviewed-on: https://chromium-review.googlesource.com/c/1414910
Commit-Queue: Georg Neis <neis@chromium.org>
Reviewed-by: Maya Lekova <mslekova@chromium.org>
Cr-Commit-Position: refs/heads/master@{#58877}