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1 <!DOCTYPE html> | 1 <!DOCTYPE html> |
2 <style> | 2 <style> |
3 #container { | 3 #container { |
4 height: 500px; | 4 height: 500px; |
5 width: 300px; | 5 width: 300px; |
6 overflow: scroll; | 6 overflow: scroll; |
7 } | 7 } |
8 | 8 |
9 .scrolled { | 9 .scrolled { |
10 height: 50px; | 10 height: 50px; |
11 width: 100px; | 11 width: 100px; |
12 background: orange; | 12 background: orange; |
13 margin: 15px; | 13 margin: 15px; |
14 transform: translateZ(0); | 14 transform: translateZ(0); |
15 } | 15 } |
16 </style> | 16 </style> |
17 <script> | 17 <script> |
18 if (window.testRunner) | 18 if (window.testRunner) |
19 testRunner.dumpAsText(); | 19 testRunner.dumpAsText(); |
20 | 20 |
21 if (window.internals) | 21 if (window.internals) |
22 window.internals.settings.setAcceleratedCompositingForOverflowScrollEnabled(
true); | 22 window.internals.settings.setPreferCompositingToLCDTextEnabled(true); |
23 | 23 |
24 var iteration = 1; | 24 var iteration = 1; |
25 | 25 |
26 function dumpLayerTree() { | 26 function dumpLayerTree() { |
27 var pre = document.getElementById("console"); | 27 var pre = document.getElementById("console"); |
28 | 28 |
29 if (window.internals) { | 29 if (window.internals) { |
30 var layerTreeAsText = internals.layerTreeAsText(document); | 30 var layerTreeAsText = internals.layerTreeAsText(document); |
31 pre.innerHTML += '\n\n*** iteration ' + iteration + ': ***\n\n'; | 31 pre.innerHTML += '\n\n*** iteration ' + iteration + ': ***\n\n'; |
32 pre.innerHTML += layerTreeAsText; | 32 pre.innerHTML += layerTreeAsText; |
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70 <div class="scrolled" id="selection">Lorem Ipsum</div> | 70 <div class="scrolled" id="selection">Lorem Ipsum</div> |
71 <div class="scrolled">Lorem Ipsum</div> | 71 <div class="scrolled">Lorem Ipsum</div> |
72 <div class="scrolled">Lorem Ipsum</div> | 72 <div class="scrolled">Lorem Ipsum</div> |
73 <div class="scrolled">Lorem Ipsum</div> | 73 <div class="scrolled">Lorem Ipsum</div> |
74 <div class="scrolled">Lorem Ipsum</div> | 74 <div class="scrolled">Lorem Ipsum</div> |
75 <div class="scrolled">Lorem Ipsum</div> | 75 <div class="scrolled">Lorem Ipsum</div> |
76 <div class="scrolled">Lorem Ipsum</div> | 76 <div class="scrolled">Lorem Ipsum</div> |
77 <div class="scrolled">Lorem Ipsum</div> | 77 <div class="scrolled">Lorem Ipsum</div> |
78 </div> | 78 </div> |
79 <pre id="console"></pre> | 79 <pre id="console"></pre> |
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