GitLab

This CL update the functions InvalidateUsageCache and
StickyInvalidateUsageCache of SandboxFileSystemBackendDelegate to use
dedicated Origin type instead of GURL.
Change SandboxQuotaObserver::SetUsageCacheEnabled also, because
it only called in StickyInvalidateUsageCache.

Bug: 598424
Change-Id: Ibd7edbef3b40dd48a14f63bb18d9cb1c357a86a7
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2006902
Commit-Queue: Victor Costan <pwnall@chromium.org>
Reviewed-by: Victor Costan <pwnall@chromium.org>
Cr-Commit-Position: refs/heads/master@{#732983}