| OLD | NEW |
| 1 <!DOCTYPE html> | 1 <!DOCTYPE html> |
| 2 <html> | 2 <html> |
| 3 <head> | 3 <head> |
| 4 <style> | 4 <style> |
| 5 .transform { | 5 .transform { |
| 6 width: 100px; | 6 width: 100px; |
| 7 height: 30px; | 7 height: 30px; |
| 8 -webkit-transform: translateZ(0); | 8 -webkit-transform: translateZ(0); |
| 9 } | 9 } |
| 10 .fixed { | 10 .fixed { |
| 11 position: fixed; | 11 position: fixed; |
| 12 left: 10px; | 12 left: 10px; |
| 13 top: 10px; | 13 top: 10px; |
| 14 } | 14 } |
| 15 </style> | 15 </style> |
| 16 | 16 |
| 17 <script type="text/javascript"> | 17 <script type="text/javascript"> |
| 18 if (window.internals) { | 18 if (window.internals) |
| 19 window.internals.settings.setAcceleratedCompositingForFixedPositionEnabled
(true); | 19 window.internals.settings.setAcceleratedCompositingForFixedPositionEnabled
(true); |
| 20 window.internals.settings.setFixedPositionCreatesStackingContext(true); | |
| 21 } | |
| 22 | 20 |
| 23 if (window.testRunner) { | 21 if (window.testRunner) { |
| 24 testRunner.dumpAsText(); | 22 testRunner.dumpAsText(); |
| 25 | 23 |
| 26 window.addEventListener("load", function() { | 24 window.addEventListener("load", function() { |
| 27 document.getElementById("layerTree").innerText = window.internals.layerT
reeAsText(document); | 25 document.getElementById("layerTree").innerText = window.internals.layerT
reeAsText(document); |
| 28 document.getElementById("mainThreadScrollingReasons").innerText = window
.internals.mainThreadScrollingReasons(document); | 26 document.getElementById("mainThreadScrollingReasons").innerText = window
.internals.mainThreadScrollingReasons(document); |
| 29 }, false); | 27 }, false); |
| 30 } | 28 } |
| 31 </script> | 29 </script> |
| 32 </head> | 30 </head> |
| 33 | 31 |
| 34 <body> | 32 <body> |
| 35 <div class="transform"> | 33 <div class="transform"> |
| 36 <!-- This element should neither be composited nor force main thread scrolli
ng. --> | 34 <!-- This element should neither be composited nor force main thread scrolli
ng. --> |
| 37 <div class="fixed">TEST</div> | 35 <div class="fixed">TEST</div> |
| 38 </div> | 36 </div> |
| 39 | 37 |
| 40 <pre id="layerTree"></pre> | 38 <pre id="layerTree"></pre> |
| 41 <pre id="mainThreadScrollingReasons"></pre> | 39 <pre id="mainThreadScrollingReasons"></pre> |
| 42 </body> | 40 </body> |
| 43 </html> | 41 </html> |
| OLD | NEW |