Merge remote-tracking branch 'upstream/master' into feat-cow-infra

`tests/wpt/web-platform-tests/html/browsers/origin/cross-origin-objects/cross-origin-objects.html`
was reverted to the upstream version.

1 files changed, 62 insertions, 0 deletions

diff --git a/components/script/dom/webidls/MediaSession.webidl b/components/script/dom/webidls/MediaSession.webidl
new file mode 100644
index 00000000000..2680ea0c40b
--- /dev/null
+++ b/components/script/dom/webidls/MediaSession.webidl
@@ -0,0 +1,62 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/. */
+/*
+ * The origin of this IDL file is
+ * https://w3c.github.io/mediasession/#mediasession
+ */
+
+[Exposed=Window]
+partial interface Navigator {
+  [SameObject] readonly attribute MediaSession mediaSession;
+};
+
+enum MediaSessionPlaybackState {
+  "none",
+  "paused",
+  "playing"
+};
+
+enum MediaSessionAction {
+  "play",
+  "pause",
+  "seekbackward",
+  "seekforward",
+  "previoustrack",
+  "nexttrack",
+  "skipad",
+  "stop",
+  "seekto"
+};
+
+dictionary MediaSessionActionDetails {
+  required MediaSessionAction action;
+};
+
+dictionary MediaSessionSeekActionDetails : MediaSessionActionDetails {
+  double? seekOffset;
+};
+
+dictionary MediaSessionSeekToActionDetails : MediaSessionActionDetails {
+  required double seekTime;
+  boolean? fastSeek;
+};
+
+dictionary MediaPositionState {
+  double duration;
+  double playbackRate;
+  double position;
+};
+
+callback MediaSessionActionHandler = void(/*MediaSessionActionDetails details*/);
+
+[Exposed=Window]
+interface MediaSession {
+  attribute MediaMetadata? metadata;
+
+  attribute MediaSessionPlaybackState playbackState;
+
+  void setActionHandler(MediaSessionAction action, MediaSessionActionHandler? handler);
+
+  [Throws] void setPositionState(optional MediaPositionState state = {});
+};