GitLab

Adding a test Unzip service that disconnects when accessed to simulate
crashers. It will be used in a follow up CL to ensure extension
installation deals correctly with the unzip service crashing.

Bug: 799220
Change-Id: I511b591e5740ac4c0e64f63d7b28cd32173a4990
Reviewed-on: https://chromium-review.googlesource.com/955930Reviewed-by: Joshua Pawlicki <waffles@chromium.org>
Commit-Queue: Jay Civelli <jcivelli@chromium.org>
Cr-Commit-Position: refs/heads/master@{#542136}