password_manager_util::GetMatchForUpdating: accept vector instead of map

This is mostly for consistency with GetBestMatches.

Bug: 1011399
Change-Id: I7369ee04a735c830b30d20bd1b826a66b77d759a
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1845714
Commit-Queue: Marc Treib <treib@chromium.org>
Reviewed-by: Vadym Doroshenko <dvadym@chromium.org>
Cr-Commit-Position: refs/heads/master@{#704555}
4 files changed