GitLab

URLRequests terminate with a status of canceled if the device is
suspended during download. In order to accommodate for this when
downloading an extension, add this to the cases in which we retry
automatically.

Bug: 824454

Change-Id: Ia3187c0ca0150968d8eae67f8f265bb6f7e7ab6e
Reviewed-on: https://chromium-review.googlesource.com/1079689Reviewed-by: Istiaque Ahmed <lazyboy@chromium.org>
Commit-Queue: Devlin <rdevlin.cronin@chromium.org>
Cr-Commit-Position: refs/heads/master@{#563042}