| <html> |
| <head> |
| <style type="text/css"> |
| body { |
| margin: 0; |
| overflow: hidden; |
| } |
| |
| .container { |
| visibility: hidden; |
| position: absolute; |
| width: 200px; |
| height: 200px; |
| overflow: hidden; |
| z-index: 0; |
| } |
| |
| .box { |
| height: 100px; |
| width: 100px; |
| } |
| |
| .indicator { |
| position: absolute; |
| top: 0; |
| left: 0; |
| background-color:red; |
| } |
| |
| .visible-box { |
| background-color:green; |
| } |
| .composited { |
| -webkit-transform:translateZ(0); |
| height: 10px; |
| width: 10px; |
| } |
| pre { |
| opacity: 0; /* hide in pixel result */ |
| height: 16px; /* avoid platform-dependent height difference of hidden text layer-tree */ |
| } |
| </style> |
| <script> |
| if (window.testRunner) |
| testRunner.dumpAsText(true); |
| |
| function dumpLayers() |
| { |
| if (window.testRunner) |
| document.getElementById('layer-tree').innerText = window.internals.layerTreeAsText(document); |
| } |
| window.addEventListener('load', dumpLayers, false); |
| </script> |
| </head> |
| |
| <body> |
| <!-- You should see a green box in the top left, and no red. --> |
| <div class="indicator box"></div> |
| |
| <div class="container"> |
| <div style="position: relative;"> |
| <div style="visibility:visible;"> |
| <div class="visible-box box"> |
| <div class="composited box"></div> |
| </div> |
| </div> |
| </div> |
| </div> |
| <pre id="layer-tree">Layer tree goes here in DRT</pre> |
| </body> |
| </html> |
