Land the proto for leak detection.

Also the CL lands the feature in the password manager.

Bug: 986298
Change-Id: I8b7e38d5ec177edd9565d6207644edad99c34677
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1713192
Commit-Queue: Vasilii Sukhanov <vasilii@chromium.org>
Reviewed-by: Ioana Pandele <ioanap@chromium.org>
Cr-Commit-Position: refs/heads/master@{#680404}
5 files changed