| <!DOCTYPE html> |
| |
| <html> |
| <head> |
| <style> |
| body { |
| height: 1500px; |
| width: 1500px; |
| } |
| |
| .container { |
| position: relative; |
| height: 200px; |
| width: 500px; |
| border: 1px solid black; |
| overflow: hidden; |
| z-index: 0; |
| } |
| |
| .box { |
| position: absolute; |
| width: 200px; |
| height: 500px; |
| background-color: blue; |
| } |
| |
| .composited { |
| -webkit-transform: translateZ(1px); |
| } |
| |
| pre { |
| margin-top: 500px; |
| } |
| </style> |
| <script> |
| if (window.testRunner) |
| testRunner.dumpAsText(); |
| |
| function dumpLayers() |
| { |
| window.scrollTo(25, 200); |
| if (window.internals) |
| document.getElementById('layers').innerText = internals.layerTreeAsText(document, internals.LAYER_TREE_INCLUDES_VISIBLE_RECTS) |
| } |
| window.addEventListener('load', dumpLayers, false); |
| </script> |
| </head> |
| <body> |
| |
| <div class="composited box" style="top: 0;"></div> |
| |
| <pre id="layers">Layer tree goes here when testing</pre> |
| </body> |
| </html> |
