GitLab

This CL moves all certificate related files from //ios/web/net into
//ios/web/security. This is a prerequisite work for navigation refactor.

Bug: 956511,942244
Change-Id: Iddf802f75b8ca7038e00a062fcb26773d7948a2f
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1624572Reviewed-by: Eugene But <eugenebut@chromium.org>
Commit-Queue: Yi Su <mrsuyi@chromium.org>
Cr-Commit-Position: refs/heads/master@{#662542}