| <!DOCTYPE html> |
| |
| <html> |
| <head> |
| <meta name="viewport" content="initial-scale=1.0"> |
| <style> |
| html { |
| -webkit-overflow-scrolling: touch; |
| } |
| .container { |
| position: relative; |
| z-index: 0; |
| border: 20px solid black; |
| height: 400px; |
| width: 280px; |
| overflow: scroll; |
| } |
| |
| .composited { |
| -webkit-transform: translateZ(0); |
| width: 100%; |
| height: 500px; |
| background-color: silver; |
| } |
| |
| .container.no-scroll { |
| overflow: hidden; |
| border: 20px solid red; |
| } |
| </style> |
| <script> |
| if (window.testRunner) { |
| testRunner.waitUntilDone(); |
| testRunner.dumpAsText(); |
| } |
| |
| function startTest() |
| { |
| document.body.offsetWidth; |
| window.setTimeout(function() { |
| var scroller = document.getElementById('scroller'); |
| scroller.classList.toggle('no-scroll'); |
| |
| if (window.internals) |
| document.getElementById('layer-tree').innerText = window.internals.layerTreeAsText(document); |
| |
| if (window.testRunner) |
| window.testRunner.notifyDone(); |
| |
| }, 0); |
| } |
| window.addEventListener('load', startTest, false); |
| </script> |
| </head> |
| <body> |
| |
| <div id="scroller" class="container"> |
| <div class="composited"> |
| </div> |
| </div> |
| <pre id="layer-tree">Layer tree goes here</pre> |
| |
| </body> |
| </html> |