| <script> |
| function runRepaintTest() { |
| |
| if (window.testRunner) |
| testRunner.waitUntilDone(); |
| |
| setTimeout(function() { |
| let shrink = document.getElementById("subpixel_iframe").contentDocument.getElementById("shrink"); |
| if (!window.testRunner) { |
| setTimeout('shrink.style.height = "0px"', 100); |
| return; |
| } |
| |
| testRunner.dumpAsText(); |
| document.body.offsetTop; |
| internals.startTrackingRepaints(); |
| |
| shrink.style.height = "0px"; |
| document.getElementById("subpixel_iframe").contentDocument.body.offsetHeight; |
| |
| let layerTreeAsText = window.internals.layerTreeAsText(document, internals.LAYER_TREE_INCLUDES_REPAINT_RECTS); |
| internals.stopTrackingRepaints(); |
| |
| let pre = document.createElement('pre'); |
| document.body.appendChild(pre); |
| pre.innerHTML = layerTreeAsText; |
| testRunner.notifyDone(); |
| }, 0); |
| |
| } |
| </script> |
| <style> |
| .container { |
| position: fixed; |
| left: 0px; |
| top: 0px; |
| padding: 0.5px; |
| } |
| </style> |
| <body> |
| <div class=container><div><iframe onload="runRepaintTest()" id=subpixel_iframe frameborder=no srcdoc=" |
| <style> |
| body { |
| margin:0px; |
| } |
| div { |
| background-color: green; |
| height: 100px; |
| width: 100px; |
| } |
| </style> |
| <div id=shrink></div>"> |
| </body> |
