| Index: LayoutTests/compositing/overflow/automatically-opt-into-composited-scrolling-after-sibling-display-change.html
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| ===================================================================
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| --- LayoutTests/compositing/overflow/automatically-opt-into-composited-scrolling-after-sibling-display-change.html	(revision 159992)
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| +++ LayoutTests/compositing/overflow/automatically-opt-into-composited-scrolling-after-sibling-display-change.html	(working copy)
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| @@ -51,6 +51,7 @@
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|              var predecessor = document.getElementById('predecessor');
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|              var container = document.getElementById('container');
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|              predecessor.style.display = 'none';
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| +            window.internals.forceCompositingUpdate(document);
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|  
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|              var pass = true;
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|              if (!didOptIn(container)) {
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| @@ -59,6 +60,7 @@
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|              }
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|  
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|              predecessor.style.display = '';
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| +            window.internals.forceCompositingUpdate(document);
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|  
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|              if (didOptIn(container)) {
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|                  pass = false;
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| 
 |