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}
2 files changed