Bug 1764834 - Fix: AirMozilla play and mute button sync in PIP window r=kpatenio,niklas

Differential Revision: https://phabricator.services.mozilla.com/D168123

browser/extensions/pictureinpicture/video-wrappers/airmozilla.js

@@ -5,6 +5,27 @@
 "use strict";
 
 class PictureInPictureVideoWrapper {
+  play(video) {
+    let playPauseButton = document.querySelector(
+      "#transportControls #playButton"
+    );
+    playPauseButton?.click();
+  }
+
+  pause(video) {
+    let playPauseButton = document.querySelector(
+      "#transportControls #playButton"
+    );
+    playPauseButton?.click();
+  }
+
+  setMuted(video, shouldMute) {
+    let muteButton = document.querySelector("#transportControls #muteButton");
+    if (video.muted !== shouldMute && muteButton) {
+      muteButton.click();
+    }
+  }
+
   setCaptionContainerObserver(video, updateCaptionsFunction) {
     let container = document.querySelector("#absoluteControls");