Use simple rrect instead of Path for ClipPathClip if possible
This can enable fast rounded corners and avoid mask layers in more
cases.
Bug: 40241108
Change-Id: Ie80a511446e8905ff5f6793213e9f244fa1bb09f
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5464825
Reviewed-by: Khushal Sagar khushalsagar@chromium.org
Commit-Queue: Xianzhu Wang wangxianzhu@chromium.org
Cr-Commit-Position: refs/heads/main@{#1293880}