| Index: chrome/browser/resources/print_preview/print_preview_animations.js
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| diff --git a/chrome/browser/resources/print_preview/print_preview_animations.js b/chrome/browser/resources/print_preview/print_preview_animations.js
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| index 31aaaa2357632c05d7900956f48fe571d6a86361..c088696110fcb68af3e52f030e389078dc74c1b6 100644
 | 
| --- a/chrome/browser/resources/print_preview/print_preview_animations.js
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| +++ b/chrome/browser/resources/print_preview/print_preview_animations.js
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| @@ -43,6 +43,7 @@ function fadeInElement(el) {
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|      return;
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|    el.classList.remove('closing');
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|    el.hidden = false;
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| +  el.setAttribute('aria-hidden', 'false');
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|    el.style.height = 'auto';
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|    var height = el.offsetHeight;
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|    el.style.height = height + 'px';
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| @@ -70,6 +71,7 @@ function fadeOutElement(el) {
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|        el, 'webkitTransitionEnd', onFadeOutTransitionEnd.bind(el), false);
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|    el.classList.add('closing');
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|    el.classList.remove('visible');
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| +  el.setAttribute('aria-hidden', 'true');
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|  }
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|  
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|  /**
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| 
 |