| <html style="background-color: lightgray"> |
| <head> |
| <style type="text/css"> |
| body { |
| width: 100px; |
| height: 100px; |
| background-color: blue; |
| } |
| #underbody { |
| position: fixed; |
| z-index: -1; |
| width: 200px; |
| height: 200px; |
| background-color: green; |
| -webkit-transform: translateZ(0); |
| } |
| </style> |
| <script type="text/javascript"> |
| if (window.testRunner) |
| testRunner.dumpAsText(); |
| |
| function doTest() { |
| if (window.testRunner && window.internals) |
| document.getElementById('layertree').innerText = window.internals.layerTreeAsText(document); |
| } |
| window.addEventListener('load', doTest, false); |
| </script> |
| </head> |
| <!-- Composited body over the child div. --> |
| <!-- Root <html> element has a background-color. --> |
| <!-- Background for the body element is painted in this case. --> |
| <!-- GraphicsLayer::contentsOpaque for the body layer should be false. --> |
| <body> |
| <!-- Box under the body. --> |
| <div id="underbody"></div> |
| |
| <pre id="layertree"></pre> |
| </body> |
| </html> |
