| <!DOCTYPE html> |
| |
| <html> |
| <head> |
| <style> |
| body { |
| height: 5000px; |
| } |
| iframe { |
| height: 400px; |
| width: 800px; |
| border: 5px solid black; |
| box-shadow: 0 0 5px black; |
| padding: 20px; |
| } |
| </style> |
| <script> |
| if (window.testRunner) { |
| testRunner.dumpAsText(); |
| testRunner.waitUntilDone(); |
| } |
| |
| function doTest() |
| { |
| setTimeout(function() { |
| window.scrollTo(0, 3000); |
| internals.layerTreeAsText(subframe.contentDocument); |
| if (window.internals) { |
| document.getElementById('layers').innerText = internals.layerTreeAsText(document, |
| internals.LAYER_TREE_INCLUDES_VISIBLE_RECTS | internals.LAYER_TREE_INCLUDES_TILE_CACHES); |
| } |
| if (window.testRunner) |
| testRunner.notifyDone(); |
| }, 0); |
| } |
| window.addEventListener('load', doTest, false); |
| </script> |
| </head> |
| <body> |
| |
| <iframe id="subframe" scrolling="no" srcdoc="<div style='width: 2500px; height: 200px; background-color: silver; will-change: transform'>Stuff here</div>"></iframe> |
| <pre id="layers">Layer tree goes here</p> |
| </body> |
| </html> |
