https://github.com/web-platform-tests/wpt
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Tip revision: 3f22183d3bffb9754c54f97561ab38652779cdcf authored by Tim Dresser on 24 November 2017, 18:49:58 UTC
Deliver PerformanceEntries when the main thread is idle.
Tip revision: 3f22183
css-paint-tests.js
// To make sure that we take the snapshot at the right time, we do double
// requestAnimationFrame. In the second frame, we take a screenshot, that makes
// sure that we already have a full frame.
function importPaintWorkletAndTerminateTestAfterAsyncPaint(code) {
    if (typeof CSS.paintWorklet == "undefined") {
        takeScreenshot();
    } else {
        var blob = new Blob([code], {type: 'text/javascript'});
        CSS.paintWorklet.addModule(URL.createObjectURL(blob)).then(function() {
            requestAnimationFrame(function() {
                requestAnimationFrame(function() {
                    takeScreenshot();
                });
            });
        });
    }
}

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