зеркало из https://github.com/mozilla/gecko-dev.git
Bug 1719862 [wpt PR 29622] - [CompositeAfterPaint] Don't fragment composited scrollers, a=testonly
Automatic update from web-platform-tests [CompositeAfterPaint] Don't fragment composited scrollers Fragmenting composited scrollers caused multiple scroll nodes and layers with the same element id which confused cc. To prevent fragmentation of composited scrollers, use the same pre-CAP method for directly composited layers. This CL is not needed for LayoutNGBlockFragmentation. Bug: 1226298 Change-Id: Ib3a3c50aacaa6367114e97ecbccfb641f0558261 Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3017415 Commit-Queue: Xianzhu Wang <wangxianzhu@chromium.org> Reviewed-by: Philip Rogers <pdr@chromium.org> Cr-Commit-Position: refs/heads/master@{#900164} -- wpt-commits: 1d6a9a37bc72df33a8c604cf878385d0cfc413bc wpt-pr: 29622
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<!DOCTYPE html>
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<div style="overflow: scroll; width: 100px; height: 150px; background: green">
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<div style="width: 400px; height: 400px"></div>
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</div>
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<div style="overflow: scroll; width: 100px; height: 150px;
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position: relative; top: -50px; left: 100px; background: green">
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<div style="width: 400px; height: 400px"></div>
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</div>
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<!DOCTYPE html>
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<title>CSS Test: Multi-column element with scrolled content</title>
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<link rel="help" href="http://www.w3.org/TR/css3-multicol/#columns"/>
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<link rel="match" href="multicol-scroll-content-ref.html"/>
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<div style="columns: 2; width: 200px; height: 100px; column-gap: 0">
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<div style="overflow: scroll; height: 150px; background: red">
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<div style="width: 400px; height: 400px; background: green; position: relative"></div>
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</div>
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</div>
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<div style="columns: 2; width: 200px; height: 100px; column-gap: 0">
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<div style="height: 100px"></div>
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<div style="overflow: scroll; height: 150px; background: red">
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<div style="width: 400px; height: 400px; background: green; position: relative"></div>
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</div>
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</div>
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