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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; |
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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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