Bug 1758149 [wpt PR 33059] - Reland "[FedCM] Split get() into get()+login()", a=testonly

Bug 1758149 [wpt PR 33059] - Reland "[FedCM] Split get() into get()+login()", a=testonly

Automatic update from web-platform-tests
Reland "[FedCM] Split get() into get()+login()"

This reverts commit 2b540bc952136e552b98559fe0ddb4e149b39941.

Reason for revert: Fixed compile error

Original change's description:
> Revert "[FedCM] Split get() into get()+login()"
>
> This reverts commit a6fba024e6fdead47455a413362261326e0ab7a6.
>
> Reason for revert: Might have caused compile failure
> https://ci.chromium.org/p/chromium/builders/ci/linux-archive-rel/62048?
>
> Original change's description:
> > [FedCM] Split get() into get()+login()
> >
> > This is a consequence of
> > https://github.com/fedidcg/FedCM/commit/e49c2bb2fd949ef048f4f5e25cff26c3c7f72d91
> >
> > Bug: 1300009
> > Change-Id: I36839e0e5748d1014e624d64f40d393fec4d2b91
> > Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3499423
> > Reviewed-by: Yi Gu <yigu@chromium.org>
> > Reviewed-by: Sam Goto <goto@chromium.org>
> > Commit-Queue: Christian Biesinger <cbiesinger@chromium.org>
> > Cr-Commit-Position: refs/heads/main@{#977460}
>
> Bug: 1300009
> Change-Id: I6a1e3250f82f4111eac6c841127d044d197af97f
> No-Presubmit: true
> No-Tree-Checks: true
> No-Try: true
> Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3499935
> Auto-Submit: Keishi Hattori <keishi@chromium.org>
> Bot-Commit: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com>
> Reviewed-by: Takashi Sakamoto <tasak@google.com>
> Commit-Queue: Keishi Hattori <keishi@chromium.org>
> Owners-Override: Keishi Hattori <keishi@chromium.org>
> Cr-Commit-Position: refs/heads/main@{#977469}

Bug: 1300009
Change-Id: Ibac6509a4a0657b8d2b8c6ff0c32dd1e25fcaf9c
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3498694
Reviewed-by: Yi Gu <yigu@chromium.org>
Commit-Queue: Yi Gu <yigu@chromium.org>
Cr-Commit-Position: refs/heads/main@{#977759}

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wpt-commits: 9ab272cde1bc30cb9467df2b9305590f8a762962
wpt-pr: 33059