Automatic update from web-platform-tests Add WPT coverage of Sec-CH-Width This patch adds WPT coverage of Sec-CH-Width: https://wicg.github.io/responsive-image-client-hints/#sec-ch-width This re-lands https://crrev.com/1300292 with the following changes: 1. The test now ensures the image onload handler does not fire before the test runs using an onload attribute. 2. The test now uses a sizes attribute, which is required per spec. 3. The test now works on platforms with different device pixel ratios. Bug: 335630145 Change-Id: I77d64d4394d5ced924ed1e92ba2110b5237114f8 Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5537569 Auto-Submit: Philip Rogers <pdr@chromium.org> Reviewed-by: Traian Captan <tcaptan@chromium.org> Commit-Queue: Traian Captan <tcaptan@chromium.org> Cr-Commit-Position: refs/heads/main@{#1300949} -- wpt-commits: b70defdd6adc5eb0d836e28c1adec76e2097c9e6 wpt-pr: 46248