Update chrome_cleaner/chrome_utils to remove force-installed extensions.

Also includes changes to parsers/ and test/ that chrome_utils depends on.

R=csharp

Bug: 830892
Change-Id: Idaba2972a0fbc2c5e896c9403442c24c8b8c6a60
Reviewed-on: https://chromium-review.googlesource.com/c/1336047
Commit-Queue: Joe Mason <joenotcharles@google.com>
Reviewed-by: Chris Sharp <csharp@chromium.org>
Cr-Commit-Position: refs/heads/master@{#608249}
14 files changed