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This is a reland of f2baca71

Original change's description:
> Menu Model: fix bug where menu item title was greyed out because it is disabled.
>
> The old approach of adding title as a disabled item meant that this CL:
>
> https://chromium-review.googlesource.com/c/chromium/src/+/1788198
>
> causes the menu title to be displayed in grey text instead of solid black text. This CL introduces a new menu type that, while still disabled and non-reactive, be displayed in solid black text.
>
> Bug: 1006203
> Change-Id: I9fa38132160228ebde5bd43d8db9c2f60d5f001c
> Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1841583
> Reviewed-by: Scott Violet <sky@chromium.org>
> Reviewed-by: Toni Baržić <tbarzic@chromium.org>
> Commit-Queue: Yulun Wu <yulunwu@chromium.org>
> Auto-Submit: Yulun Wu <yulunwu@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#707147}

Bug: 1006203
Change-Id: I02ac38b96dea074f8e9c3e8c9a019a53db512513
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1869475
Commit-Queue: Yulun Wu <yulunwu@chromium.org>
Reviewed-by: Scott Violet <sky@chromium.org>
Reviewed-by: Toni Baržić <tbarzic@chromium.org>
Cr-Commit-Position: refs/heads/master@{#710959}