Update tests in preparation for making location API navigations start synchronously

A bunch of tests need to be updated for a behavior change in
https://chromium-review.googlesource.com/c/chromium/src/+/1526426
These are the ones where the updated test passes before and after the
behavior change.

Bug: 914587
Change-Id: Ic8b34c4c205ea2f9bf59b620ca6baac47cd7b1ae
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1576025
Reviewed-by: Reilly Grant <reillyg@chromium.org>
Reviewed-by: Andrey Kosyakov <caseq@chromium.org>
Reviewed-by: Dmitry Gozman <dgozman@chromium.org>
Commit-Queue: Nate Chapin <japhet@chromium.org>
Cr-Commit-Position: refs/heads/master@{#652884}