Automatic update from web-platform-tests [iframe] Fix yet another flaky case This patch fixes a case where resizes are done before the `ResizeObserver` starts capturing. Bug: 525685238, 418397278 Change-Id: Ic100fc8ffbb8fb6f2985d0f1847e9ba8c86e9e45 Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/8001110 Commit-Queue: Kent Tamura <tkent@chromium.org> Auto-Submit: Koji Ishii <kojii@chromium.org> Reviewed-by: Kent Tamura <tkent@chromium.org> Cr-Commit-Position: refs/heads/main@{#1652186} -- wpt-commits: c57b9f6342cb924d1eb0dd6f7291d7cc21f5f65f wpt-pr: 60889