| <!DOCTYPE HTML> |
| <!-- |
| This test ensures that reparented overlay scrollbars still respect |
| clips applied by a tree-order ancestor, even if that ancestor is |
| not an ancestor in the compositing layer tree. |
| --> |
| <script> |
| if (window.internals) { |
| internals.useMockOverlayScrollbars(); |
| internals.settings.setPreferCompositingToLCDTextEnabled(true); |
| } |
| </script> |
| <style> |
| #clipper { |
| overflow: hidden; |
| width: 400px; |
| height: 100px; |
| margin: 10px; |
| } |
| |
| #scroller { |
| overflow: scroll; |
| width: 300px; |
| height: 300px; |
| position: relative; |
| top: 10px; |
| } |
| |
| #fixed { |
| position: fixed; |
| background: blue; |
| left: 90px; |
| width: 10px; |
| height: 10px; |
| } |
| |
| #scrolled { |
| position: relative; |
| background: green; |
| width: 80px; |
| height: 500px; |
| } |
| </style> |
| <div id='clipper'> |
| <div id='scroller'> |
| <div id='fixed'></div> |
| <div id='scrolled'></div> |
| </div> |
| </div> |
