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+<!DOCTYPE HTML>
+<html>
+<head>
+ <meta charset=utf-8>
+ <title>Largest Contentful Paint: observe video.</title>
+ <script src="/resources/testharness.js"></script>
+ <script src="/resources/testharnessreport.js"></script>
+ <script src="../resources/largest-contentful-paint-helpers.js"></script>
+</head>
+<body>
+ <script>
+ promise_test(async () => {
+ assert_implements(window.LargestContentfulPaint,
+ "LargestContentfulPaint is not implemented");
+ const beforeLoad = performance.now();
+ // 136 is the size of the animated GIF up until the first frame.
+ // The trickle pipe delays the response after the first frame by 1 second.
+ const url = window.location.origin +
+ `/media/test-1s.webm?pipe=trickle(1500:d${delay_pipe_value})`;
+ const entry = await load_video_and_observe(url);
+ // Video is 320 x 184.
+ const size = 320 * 184;
+ // TODO(yoav): Validate size as well as load and render times. "skip" is
+ // currently causing those checks to be skipped.
+ checkImage(entry, url, 'video_id', size, beforeLoad, ["skip"]);
+ }, "Same origin animated image is observable and has a first frame.");
+ </script>
+</body>
+</html>
+