Automatic update from web-platform-testsDon't pixel-snap the top and bottom of lines. That might cause incorrect detection of overflow, since the height of the block isn't pixel-snapped. Bug: 818873 Change-Id: I864be9dfedf6f008fe19ce02088ac6488ec274d0 Reviewed-on: https://chromium-review.googlesource.com/954022 Reviewed-by: Emil A Eklund <eae@chromium.org> Commit-Queue: Morten Stenshorne <mstensho@chromium.org> Cr-Commit-Position: refs/heads/master@{#542080} wpt-commits: 6cca5247026215cbea027426cb22f4e517b43566 wpt-pr: 9923 wpt-commits: 6cca5247026215cbea027426cb22f4e517b43566 wpt-pr: 9923