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This is a reland of d7682c6e
after fixing the failing test.

Original change's description:
> [Passwords] Introduce SaveUpdateWithAccountStore bubble
>
> This is a mechnical fork of the existing SaveUpdate bubble without
> any change in functionality.
> Follow up CLs will introduce extra funcationlaity and change in the UI
> elements.
>
> Bug: 1044038
> Change-Id: I1ab6b08a9097b4f7adc06b53317676b42b3a2bf4
> Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2033072
> Reviewed-by: Vasilii Sukhanov <vasilii@chromium.org>
> Commit-Queue: Mohamed Amir Yosef <mamir@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#738913}

TBR=vasilii@chromium.org

Bug: 1044038
Change-Id: I94abd07edf903d6c1982dffc3caa64ea8d332333
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2041661Reviewed-by: Mohamed Amir Yosef <mamir@chromium.org>
Commit-Queue: Mohamed Amir Yosef <mamir@chromium.org>
Cr-Commit-Position: refs/heads/master@{#738990}