| <!DOCTYPE html> |
| |
| <html> |
| <head> |
| <style> |
| body { |
| width: 1200px; |
| height: 2000px; |
| /* The setBackgroundShouldExtendBeyondPage setting will only create margin tiles for documents |
| that have background images. */ |
| background-image:url(resources/greenbox.png); |
| background-repeat:repeat; |
| } |
| </style> |
| <script> |
| if (window.testRunner) { |
| testRunner.dumpAsText(); |
| testRunner.waitUntilDone(); |
| } |
| |
| function doTest() |
| { |
| if (window.internals) |
| window.internals.settings.setBackgroundShouldExtendBeyondPage(true); |
| |
| // FrameView::enableSpeculativeTilingIfNeeded() uses a 0.5s timer to enable speculative tiling. |
| window.setTimeout(function() { |
| 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(); |
| }, 550); |
| } |
| window.addEventListener('load', doTest, false); |
| </script> |
| </head> |
| |
| <body> |
| <pre id="layers">Layer tree goes here</p> |
| </body> |
| </html> |
