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| 1 <!DOCTYPE html> | 1 <!DOCTYPE html> | 
| 2 <html> | 2 <html> | 
| 3 | 3 | 
| 4 <head> | 4 <head> | 
| 5 <script src="../../resources/run-after-display.js"></script> | 5 <script src="../../resources/run-after-display.js"></script> | 
| 6 <style> | 6 <style> | 
| 7 | 7 | 
| 8 .compositedBehind { | 8 .compositedBehind { | 
| 9   width: 500px; | 9   width: 500px; | 
| 10   height: 500px; | 10   height: 500px; | 
| (...skipping 24 matching lines...) Expand all  Loading... | 
| 35 | 35 | 
| 36 <script> | 36 <script> | 
| 37         if (window.testRunner) { | 37         if (window.testRunner) { | 
| 38             testRunner.dumpAsText(); | 38             testRunner.dumpAsText(); | 
| 39             testRunner.waitUntilDone(); | 39             testRunner.waitUntilDone(); | 
| 40         } | 40         } | 
| 41 | 41 | 
| 42         if (window.internals) { | 42         if (window.internals) { | 
| 43             /* Note carefully, compositing for fixed position is _disabled_ here
     */ | 43             /* Note carefully, compositing for fixed position is _disabled_ here
     */ | 
| 44             internals.settings.setAcceleratedCompositingForFixedPositionEnabled(
    false); | 44             internals.settings.setAcceleratedCompositingForFixedPositionEnabled(
    false); | 
| 45             internals.settings.setFixedPositionCreatesStackingContext(true); |  | 
| 46         } | 45         } | 
| 47 | 46 | 
| 48         function test() | 47         function test() | 
| 49         { | 48         { | 
| 50             runAfterDisplay(function() { | 49             runAfterDisplay(function() { | 
| 51                 if (window.internals) | 50                 if (window.internals) | 
| 52                     window.internals.startTrackingRepaints(document); | 51                     window.internals.startTrackingRepaints(document); | 
| 53 | 52 | 
| 54                 window.scrollTo(0, 100); | 53                 window.scrollTo(0, 100); | 
| 55 | 54 | 
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| 77   <div class="compositedBehind"> </div> | 76   <div class="compositedBehind"> </div> | 
| 78 | 77 | 
| 79   <div class="containerOverlapsComposited"> | 78   <div class="containerOverlapsComposited"> | 
| 80     <div class="fixed"></div> | 79     <div class="fixed"></div> | 
| 81   </div> | 80   </div> | 
| 82 | 81 | 
| 83   <pre id="layers"></pre> | 82   <pre id="layers"></pre> | 
| 84 </body> | 83 </body> | 
| 85 | 84 | 
| 86 </html> | 85 </html> | 
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