Import Cobalt 19.master.0.203780
Includes the following patches:
https://cobalt-review.googlesource.com/c/cobalt/+/5210
by errong.leng@samsung.com
https://cobalt-review.googlesource.com/c/cobalt/+/5270
by linus.wang@samsung.com
diff --git a/src/third_party/web_platform_tests/mediasession/idlharness.html b/src/third_party/web_platform_tests/mediasession/idlharness.html
new file mode 100644
index 0000000..a90c83e
--- /dev/null
+++ b/src/third_party/web_platform_tests/mediasession/idlharness.html
@@ -0,0 +1,89 @@
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="utf-8">
+<title>Media Session IDL tests</title>
+<link rel="help" href="https://wicg.github.io/mediasession/"/>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/resources/WebIDLParser.js"></script>
+<script src="/resources/idlharness.js"></script>
+</head>
+<body>
+<h1>Media Session IDL tests</h1>
+
+<pre id='untested_idl' style='display:none'>
+[PrimaryGlobal]
+interface Window {
+};
+
+interface Navigator {
+};
+</pre>
+
+<pre id='idl'>
+[Exposed=Window]
+partial interface Navigator {
+ [SameObject] readonly attribute MediaSession mediaSession;
+};
+
+enum MediaSessionPlaybackState {
+ "none",
+ "paused",
+ "playing"
+};
+
+enum MediaSessionAction {
+ "play",
+ "pause",
+ "seekbackward",
+ "seekforward",
+ "previoustrack",
+ "nexttrack",
+};
+
+callback MediaSessionActionHandler = void();
+
+[Exposed=Window]
+interface MediaSession {
+ attribute MediaMetadata? metadata;
+
+ attribute MediaSessionPlaybackState playbackState;
+
+ void setActionHandler(MediaSessionAction action, MediaSessionActionHandler? handler);
+};
+
+[Constructor(optional MediaMetadataInit init), Exposed=Window]
+interface MediaMetadata {
+ attribute DOMString title;
+ attribute DOMString artist;
+ attribute DOMString album;
+ attribute FrozenArray<MediaImage> artwork;
+};
+
+dictionary MediaMetadataInit {
+ DOMString title = "";
+ DOMString artist = "";
+ DOMString album = "";
+ sequence<MediaImage> artwork = [];
+};
+
+dictionary MediaImage {
+ required USVString src;
+ DOMString sizes = "";
+ DOMString type = "";
+};
+</pre>
+<script>
+var idl_array = new IdlArray();
+idl_array.add_untested_idls(document.getElementById("untested_idl").textContent);
+idl_array.add_idls(document.getElementById("idl").textContent);
+idl_array.add_objects({
+ MediaMetadata: [new MediaMetadata()],
+ Navigator: ["navigator"]
+});
+idl_array.test();
+</script>
+<div id="log"></div>
+</body>
+</html>
