Worker: Move shared_worker_info.mojom from content/ to blink/ (Onion Soup)

Change-Id: Ieb3f3b689f266d0d6c88824accd31a752dd66cbe
Bug: 911415
Reviewed-on: https://chromium-review.googlesource.com/c/1360036
Commit-Queue: Hiroki Nakagawa <nhiroki@chromium.org>
Reviewed-by: Kinuko Yasuda <kinuko@chromium.org>
Cr-Commit-Position: refs/heads/master@{#614284}
18 files changed