| <!DOCTYPE html> |
| |
| <html> |
| <head> |
| <style> |
| #target { |
| position: absolute; |
| background-color: green; |
| z-index: 0; |
| overflow: hidden; |
| left: 0px; |
| top: 0px; |
| width: 200px; |
| height: 200px; |
| } |
| #inner { |
| background-color: red; |
| -webkit-transform: translateZ(0); |
| width: 100px; |
| height: 100px; |
| } |
| </style> |
| <script type="text/javascript" charset="utf-8"> |
| if (window.testRunner) |
| testRunner.dumpAsText(); |
| |
| function doTest() { |
| if (window.internals) |
| window.internals.startTrackingRepaints(); |
| |
| document.getElementById("target").style.left = '300px'; |
| |
| if (window.internals) { |
| document.getElementById('layers').textContent = window.internals.layerTreeAsText(document, internals.LAYER_TREE_INCLUDES_REPAINT_RECTS); |
| window.internals.stopTrackingRepaints(); |
| } |
| } |
| |
| window.addEventListener('load', doTest, false); |
| </script> |
| </head> |
| <body> |
| <div id='target'> |
| <div id='inner'></div> |
| </div> |
| </body> |
| <pre id="layers"></pre> |
| </html> |
