| <!DOCTYPE html> |
| <html> |
| <head> |
| <style> |
| iframe { |
| position: absolute; |
| display: block; |
| left: 12.5px; |
| visibility: hidden; |
| will-change: transform; |
| border: 1px solid black; |
| } |
| |
| body.changed iframe { |
| visibility: visible; |
| } |
| </style> |
| <script src="../../resources/ui-helper.js"></script> |
| <script> |
| if (window.testRunner) |
| testRunner.waitUntilDone(); |
| |
| async function doTest() |
| { |
| await UIHelper.renderingUpdate(); |
| document.body.classList.add('changed'); |
| if (window.testRunner) |
| testRunner.notifyDone(); |
| } |
| |
| window.addEventListener('load', () => { |
| doTest(); |
| }, false); |
| </script> |
| </head> |
| <body> |
| <iframe scrolling="no" srcdoc=" |
| <style> |
| .box { |
| width: 100px; |
| height: 100px; |
| background-color: green; |
| transform: translateZ(0); |
| } |
| </style> |
| <div class='box'> </div> |
| "></iframe> |
| </body> |
| </html> |
