Cookies API: Wire cookieStore to ServiceWorker.

Bug: 729800
Change-Id: Ic4753af825aa89e26c06da2ff944f03667669697
Reviewed-on: https://chromium-review.googlesource.com/818451
Commit-Queue: Victor Costan <pwnall@chromium.org>
Reviewed-by: John Abd-El-Malek <jam@chromium.org>
Reviewed-by: Daniel Cheng <dcheng@chromium.org>
Reviewed-by: Joshua Bell <jsbell@chromium.org>
Cr-Commit-Position: refs/heads/master@{#524512}
12 files changed