GitLab

This deletes unused content/ #includes in components/safe_browsing.

This is a small step towards refactoring this component to make it usable
in ios/, where content/ dependencies are forbidden.

Bug: 1028755
Change-Id: I0f6888872e7901f944a73ac18c89b573c87046ce
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1940953Reviewed-by: Varun Khaneja <vakh@chromium.org>
Commit-Queue: Ali Juma <ajuma@chromium.org>
Cr-Commit-Position: refs/heads/master@{#720492}