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| 1 <!-- Based on compositing/repaint/should-not-clip-composited-overflow-scrolling-
    layer.html --> |  | 
| 2 <!DOCTYPE HTML> |  | 
| 3 <script src="resources/paint-invalidation-test.js"></script> |  | 
| 4 <script> |  | 
| 5 if (window.internals) |  | 
| 6   internals.settings.setPreferCompositingToLCDTextEnabled(true); |  | 
| 7 function paintInvalidationTest() { |  | 
| 8   document.getElementById('content').style.backgroundColor = 'green'; |  | 
| 9   var container = document.getElementById('container'); |  | 
| 10   container.scrollLeft = 2000; |  | 
| 11   container.scrollTop = 2000; |  | 
| 12 } |  | 
| 13 window.onload = runPaintInvalidationTest; |  | 
| 14 </script> |  | 
| 15 <style> |  | 
| 16 #container { |  | 
| 17   width: 500px; |  | 
| 18   height: 500px; |  | 
| 19   overflow: scroll; |  | 
| 20 } |  | 
| 21 #content { |  | 
| 22   width: 5000px; |  | 
| 23   height: 5000px; |  | 
| 24   background-color: red; |  | 
| 25 } |  | 
| 26 </style> |  | 
| 27 <div id="container"> |  | 
| 28   <div id="content"> |  | 
| 29   Tests invalidation of scrolling layer. Passes if the repaint rect is not clipp
    ed, |  | 
| 30   and there is no red when the scrolling container is scrolled.<br> |  | 
| 31   Note for manual testing: must run with --enable-prefer-compositing-to-lcd-text |  | 
| 32   on non-high-dpi machines to enable composited scrolling. |  | 
| 33   </div> |  | 
| 34 </div> |  | 
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