| OLD | NEW |
| 1 <!DOCTYPE html> | 1 <!DOCTYPE html> |
| 2 | 2 |
| 3 <html> | 3 <html> |
| 4 <head> | 4 <head> |
| 5 <style> | 5 <style> |
| 6 .fixed { | 6 .fixed { |
| 7 position: fixed; | 7 position: fixed; |
| 8 width: 50px; | 8 width: 50px; |
| 9 height: 50px; | 9 height: 50px; |
| 10 top: 10px; | 10 top: 10px; |
| 11 left: 10px; | 11 left: 10px; |
| 12 z-index: -1; | 12 z-index: -1; |
| 13 } | 13 } |
| 14 </style> | 14 </style> |
| 15 | 15 |
| 16 <script type="text/javascript"> | 16 <script type="text/javascript"> |
| 17 if (window.internals) | 17 if (window.internals) |
| 18 window.internals.settings.setAcceleratedCompositingForFixedPositionEnabled(t
rue); | 18 window.internals.settings.setPreferCompositingToLCDTextEnabled(true); |
| 19 | 19 |
| 20 if (window.testRunner) { | 20 if (window.testRunner) { |
| 21 testRunner.dumpAsText(); | 21 testRunner.dumpAsText(); |
| 22 | 22 |
| 23 window.addEventListener("load", function() { | 23 window.addEventListener("load", function() { |
| 24 document.getElementById("mainThreadScrollingReasons").innerText = window.i
nternals.mainThreadScrollingReasons(document); | 24 document.getElementById("mainThreadScrollingReasons").innerText = window.i
nternals.mainThreadScrollingReasons(document); |
| 25 }, false); | 25 }, false); |
| 26 } | 26 } |
| 27 </script> | 27 </script> |
| 28 </head> | 28 </head> |
| 29 | 29 |
| 30 <body> | 30 <body> |
| 31 <div style="height: 1000px"> | 31 <div style="height: 1000px"> |
| 32 Main thread scrolling reasons should be blank: | 32 Main thread scrolling reasons should be blank: |
| 33 <pre id="mainThreadScrollingReasons"></pre> | 33 <pre id="mainThreadScrollingReasons"></pre> |
| 34 </div> | 34 </div> |
| 35 <div class="fixed"></div> | 35 <div class="fixed"></div> |
| 36 </body> | 36 </body> |
| 37 </html> | 37 </html> |
| OLD | NEW |