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1) Add card information, card scroll bar view

2) Add migratable_card_view.*

3) Add OnMigrationFinished() to update the dialog content (title,
instruction, card list, button label, etc)

4) Add logic for controller to update checkbox state(checked/unchecked)

Bug: 852904
Change-Id: I3cec17eb432b51e50d6d32dd8925224e6cf19594
Reviewed-on: https://chromium-review.googlesource.com/1178983
Commit-Queue: Siyu An <siyua@chromium.org>
Reviewed-by: Mathieu Perreault <mathp@chromium.org>
Reviewed-by: Fabio Tirelo <ftirelo@chromium.org>
Reviewed-by: Bret Sepulveda <bsep@chromium.org>
Reviewed-by: Jared Saul <jsaul@google.com>
Cr-Commit-Position: refs/heads/master@{#586435}