merge_pr_60229

Skip overflow clip for SVG viewport containers doing occlusion tests

This patch skips overflow clips when hit testing SVG viewport
containers for occlusion. This ensures that we consider visual overflow
for these occlusion hit tests.

Fixed: 517114175
Change-Id: I6394e4b6dcbd4535eb70c695f46b98f942f8c39c
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/7880272
Reviewed-by: Stefan Zager szager@chromium.org
Commit-Queue: Philip Rogers pdr@chromium.org
Cr-Commit-Position: refs/heads/main@{#1637426}