Automatic update from web-platform-testsImplement scroll-snap-type: proximity As specified in the spec, when the snap-container has scroll-snap-type: proximity, we should only consider snap positions that are close to the current scroll offset. https://drafts.csswg.org/css-scroll-snap-1/#snap-strictness Bug: 823820 Cq-Include-Trybots: master.tryserver.blink:linux_trusty_blink_rel;master.tryserver.chromium.android:android_optional_gpu_tests_rel Change-Id: I6312f98df421e303eb538f422ede39cea8dd5d38 Reviewed-on: https://chromium-review.googlesource.com/971466 Commit-Queue: Sandra Sun <sunyunjia@chromium.org> Reviewed-by: Ali Juma <ajuma@chromium.org> Reviewed-by: David Bokan <bokan@chromium.org> Cr-Commit-Position: refs/heads/master@{#544783} wpt-commits: c6ed7397bed7c2df7b6033bc6c6f6dc24bb0a32e wpt-pr: 10115 wpt-commits: c6ed7397bed7c2df7b6033bc6c6f6dc24bb0a32e wpt-pr: 10115