| Index: LayoutTests/compositing/overflow/resources/automatically-opt-into-composited-scrolling.js
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| diff --git a/LayoutTests/compositing/overflow/resources/automatically-opt-into-composited-scrolling.js b/LayoutTests/compositing/overflow/resources/automatically-opt-into-composited-scrolling.js
 | 
| index 4d7ffe3348cb5e7642255403a93285b288964ae6..01746d326ff3ae813a35e15e65e616cb3bb07ad7 100644
 | 
| --- a/LayoutTests/compositing/overflow/resources/automatically-opt-into-composited-scrolling.js
 | 
| +++ b/LayoutTests/compositing/overflow/resources/automatically-opt-into-composited-scrolling.js
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| @@ -164,6 +164,8 @@ function testOptInPermutation(count, ordering, hasPositionedAncestor, containerI
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|    if (!window.internals)
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|      return;
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|  
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| +  window.internals.forceCompositingUpdate(document);
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| +
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|    var container = document.getElementById('container');
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|    var containerOptedIn = didOptIn(container);
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|  
 | 
| 
 |