third_party/WebKit/LayoutTests/fast/dom/raf-throttling-out-of-view-cross-origin-page.html - Issue 2511283002: Revert of scheduler: Re-enable timer throttling for hidden frames

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Side by Side Diff: third_party/WebKit/LayoutTests/fast/dom/raf-throttling-out-of-view-cross-origin-page.html

Issue 2511283002: Revert of scheduler: Re-enable timer throttling for hidden frames (Closed)

Patch Set: Created 4 years, 1 month ago

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1 <!DOCTYPE html>

2 <script src="../../resources/testharness.js"></script>

3 <script src="../../resources/testharnessreport.js"></script>

4 <style>

5 #frame {

6 position: absolute;

7 top: -1000px;

8 }

9 </style>

10

11 <iframe id="frame" sandbox="allow-scripts" src="resources/raf-throttling-frame.h tml"></iframe>

12

13 <script>

14 if (window.testRunner)

15 testRunner.dumpAsText();

16 let throttlingTest = async_test("Test requestAnimationFrame() throttling in out- of-view cross origin frames");

17

18 addEventListener('load', () => {

19 // Check how many animation frames have been served to the frame after 1

20 // second.

21 setTimeout(() => {

22 var frame = document.querySelector('#frame');

23 frame.contentWindow.postMessage(null, '*');

24 }, 1000);

25 });

26

27 addEventListener('message', (e) => {

28 let rafCount = e.data;

29 // TODO(skyostil): Chrome always runs one animation frame while the layout

30 // test harness does none. Find out where the difference is coming from.

31 assert_less_than_equal(rafCount, 1, "requestAnimationFrame() callback count")

32 throttlingTest.done();

33 });

34 </script>

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