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Revision 08c935c755a5f9cc0ef8a7b9f56091e5d2b040d9 authored by Kent Tamura on 13 April 2018, 04:39:21 UTC, committed by Blink WPT Bot on 13 April 2018, 05:02:00 UTC 
custom-elements: Implement customElements.upgrade().
 
Intent-to-implement-and-ship: https://groups.google.com/a/chromium.org/forum/#!topic/blink-dev/zCQe7UkR07w

Bug: 819482
Change-Id: I5645d5711d7fe1323992533e6c73593ba59d1bca
Reviewed-on: https://chromium-review.googlesource.com/1009450
Reviewed-by: Hayato Ito <hayato@chromium.org>
Commit-Queue: Kent Tamura <tkent@chromium.org>
Cr-Commit-Position: refs/heads/master@{#550513}
1 parent bdcafae
Raw File
first-paint-bg-color.html 
<!DOCTYPE html>
<head>
<title>Performance Paint Timing Test: FP due to background color</title>
</head>
<body>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<div id="main"></div>
</body>

<footer>
<script>
async_test(function (t) {
    document.body.style.backgroundColor = "#AA0000";

    function testPaintEntries() {
      const bufferedEntries = performance.getEntriesByType('paint');
      if (bufferedEntries.length < 1) {
        t.step_timeout(function() {
          testPaintEntries();
        }, 20);
        return;
      }
      t.step(function() {
        assert_equals(bufferedEntries.length, 1, "FP should fire for background color, not FCP");
        assert_equals(bufferedEntries[0].entryType, "paint");
        assert_equals(bufferedEntries[0].name, "first-paint");
        t.done();
      });
    }
    t.step(function() {
      testPaintEntries();
    })
}, "First paint fires due to background color. No FCP");
</script>
<footer>
</html>
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