Revert "Make AnchoredPopupWindow update the popup layout when the view does."

This reverts commit 23c7af98897ca74f11028b97a584a5b25ad1f963.

Reason for revert: This change caused the list items to be incorrectly sized after the view is resized. See https://bugs.chromium.org/p/chromium/issues/detail?id=1316392#c6 for more details.

Original change's description:
> Make AnchoredPopupWindow update the popup layout when the view does.
>
> This CL makes AnchoredPopupWindow listen to layout changes of the list
> menu's content view, updating the layout of the popup in response.
>
> Bug: 1316392
> Change-Id: I541234181392b55df065fba52d08c436b32676ee
> Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3594445
> Reviewed-by: Lijin Shen <lazzzis@google.com>
> Commit-Queue: Scott Little <sclittle@chromium.org>
> Auto-Submit: Scott Little <sclittle@chromium.org>
> Reviewed-by: Theresa Sullivan <twellington@chromium.org>
> Commit-Queue: Theresa Sullivan <twellington@chromium.org>
> Cr-Commit-Position: refs/heads/main@{#994321}

Bug: 1316392
Change-Id: I2aaf1ef14dde465114e7de0bada5efa4b0803cbd
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3642321
Commit-Queue: Scott Little <sclittle@chromium.org>
Auto-Submit: Scott Little <sclittle@chromium.org>
Reviewed-by: Theresa Sullivan <twellington@chromium.org>
Commit-Queue: Theresa Sullivan <twellington@chromium.org>
Cr-Commit-Position: refs/heads/main@{#1004987}