| <!DOCTYPE html> |
| <html> |
| <head> |
| <title>Check whether scrollable iframes are included in the scrolling tree when async frame scrolling is enabled</title> |
| <script> |
| if (window.testRunner) { |
| testRunner.dumpAsText(); |
| testRunner.waitUntilDone(); |
| } |
| if (window.internals) |
| window.internals.settings.setAsyncFrameScrollingEnabled(true); |
| function doTest() |
| { |
| if (window.internals) { |
| subframe.contentWindow.internals.scrollingStateTreeAsText(); // Trigger frame layout. |
| document.getElementById('scrollingTree').innerText = internals.scrollingStateTreeAsText() + "\n"; |
| } |
| |
| if (window.testRunner) |
| testRunner.notifyDone(); |
| } |
| </script> |
| <style> |
| iframe { |
| position: absolute; |
| left: 0; |
| top: 0; |
| width: 100px; |
| height: 200px; |
| margin: 0; |
| border: 0; |
| padding: 0; |
| } |
| </style> |
| </head> |
| <body> |
| <iframe id="subframe" onload="doTest()" srcdoc=" |
| <div style='width: 300px; height: 400px; background: gray;'></div>"> |
| </iframe> |
| <pre id="scrollingTree"></pre> |
| </body> |
| </html> |
