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(Empty) | |
| 1 <body> |
| 2 <p>First layer tree:</p> |
| 3 <p id='tree1'></p> |
| 4 <p>Second layer tree:</p> |
| 5 <p id='tree2'></p> |
| 6 <p>Third layer tree:</p> |
| 7 <p id='tree3'></p> |
| 8 <script> |
| 9 testRunner.dumpAsText(); |
| 10 |
| 11 // Dump the tree (should be empty because compositing hasn't been trigge
red) |
| 12 if (window.testRunner) |
| 13 document.getElementById('tree1').innerHTML = window.internals.layerT
reeAsText(document); |
| 14 |
| 15 // Trigger compositing by adding a div with translateZ(0) |
| 16 var compositing_div = document.createElement("div"); |
| 17 compositing_div.id = "compositing_div"; |
| 18 compositing_div.style.webkitTransform = "translateZ(0)"; |
| 19 compositing_div.innerText = "compositing trigger"; |
| 20 document.body.appendChild(compositing_div); |
| 21 |
| 22 // Dump the tree (should be filled because compositing is triggered) |
| 23 if (window.testRunner) |
| 24 document.getElementById('tree2').innerHTML = window.internals.layerT
reeAsText(document); |
| 25 |
| 26 // Remove the compositing trigger. |
| 27 document.body.removeChild(compositing_div); |
| 28 delete compositing_div; |
| 29 |
| 30 // Dump the tree (should stay filled because compositing is sticky, even
though the trigger is gone.) |
| 31 if (window.testRunner) { |
| 32 document.getElementById('tree3').innerHTML = window.internals.layerTre
eAsText(document); |
| 33 testRunner.notifyDone(); |
| 34 } |
| 35 </script> |
| 36 </body> |
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