Bug 1976353 [wpt PR 53672] - Revert "Reland "Don't expose pseudo element to web via event.target and .currentTarget"", a=testonly

Automatic update from web-platform-tests
Revert "Reland "Don't expose pseudo element to web via event.target and .currentTarget""

This reverts commit 678b2d227c3c9256c017426430efa4ae956e19dc.

Reason for revert: perf regression

Bug: 420463805
Original change's description:
> Reland "Don't expose pseudo element to web via event.target and .currentTarget"
>
> This is a reland of commit 45fd03eab27d2cd1cd99f78741649d6ff9a3d078
>
> Original change's description:
> > Don't expose pseudo element to web via event.target and .currentTarget
> >
> > The only possible cases now are ::scroll-marker and ::scroll-button().
> >
> > Also, this CL changes internal call sites of target() to RawTarget(),
> > as internally we need to work with pseudo elements.
> >
> > Bug: 420463805
> > Change-Id: Ica69a3de925d04524cad97c8fd75657c71515d1f
> > Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/6633705
> > Reviewed-by: Mason Freed <[email protected]>
> > Commit-Queue: Daniil Sakhapov <[email protected]>
> > Cr-Commit-Position: refs/heads/main@{#1477142}
>
> Bug: 420463805
> Change-Id: Id2593ee4ba52b05f75fd17ad078f8f6644eed0b5
> Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/6680610
> Commit-Queue: Daniil Sakhapov <[email protected]>
> Reviewed-by: Mason Freed <[email protected]>
> Cr-Commit-Position: refs/heads/main@{#1483243}

Bug: 420463805
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Change-Id: Iea27b4ad5aa714bf4179eef3eb2ec5d07eaa3068
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/6714525
Bot-Commit: Rubber Stamper <[email protected]>
Commit-Queue: Daniil Sakhapov <[email protected]>
Reviewed-by: Mason Freed <[email protected]>
Cr-Commit-Position: refs/heads/main@{#1484171}

--

wpt-commits: 0db3c987cbcca407876de98a48f84b9ca6f73851
wpt-pr: 53672

Author: danielsakhapov