Revert "Remove missing security state workaround in CanAccessDataForOrigin()."

This reverts commit ec08cda18f9773396a600b2f974a9242df8b3be5.

Reason for revert: Caused renderer kills.  See https://crbug.com/898281#c8.

Original change's description:
> Remove missing security state workaround in CanAccessDataForOrigin().
> 
> - Remove an old workaround that was put in place before site isolation
>   was on by default.
> - Fixed a test that depended on this behavior to pass.
> 
> Bug: 898281, 600441
> Change-Id: I1f08a0d7af59514c84f7eebd5f48027758a0f63b
> Reviewed-on: https://chromium-review.googlesource.com/c/1374831
> Commit-Queue: Aaron Colwell <acolwell@chromium.org>
> Reviewed-by: Charlie Reis <creis@chromium.org>
> Reviewed-by: Alex Moshchuk <alexmos@chromium.org>
> Reviewed-by: Marijn Kruisselbrink <mek@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#616524}

TBR=creis@chromium.org,acolwell@chromium.org,mek@chromium.org,alexmos@chromium.org

Change-Id: Ic67afdbd498f1484ca728431427909a049985550
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: 898281, 600441
Reviewed-on: https://chromium-review.googlesource.com/c/1379032
Reviewed-by: Alex Moshchuk <alexmos@chromium.org>
Commit-Queue: Alex Moshchuk <alexmos@chromium.org>
Cr-Commit-Position: refs/heads/master@{#616840}
2 files changed