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This change adds reminder about compromised credentials found during
password check to the autofill page. Also, this change implements
PasswordCheckBehavior to reduce code duplication in password_check
passwords_section and autofill_page files.

Mock: https://docs.google.com/presentation/d/1yWuZO-fjXhdRp64nWRbnHEyzpFd1KOMS3u1_1XMdGuA/edit#slide=id.g7c9229dfe2_9_1

Bug: 1047726
Change-Id: I48e3e2b999d4f521f5018fb3ca0b0376d66eefa6
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2120417Reviewed-by: Jan Wilken Dörrie <jdoerrie@chromium.org>
Reviewed-by: dpapad <dpapad@chromium.org>
Commit-Queue: Viktor Semeniuk <vsemeniuk@google.com>
Cr-Commit-Position: refs/heads/master@{#755341}