[RemotePlayback] Stop remote playback when disableRemotePlayback is set

chrome/android/java/src/org/chromium/chrome/browser/media/remote/RemoteMediaPlayerController.java

Index: chrome/android/java/src/org/chromium/chrome/browser/media/remote/RemoteMediaPlayerController.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/media/remote/RemoteMediaPlayerController.java b/chrome/android/java/src/org/chromium/chrome/browser/media/remote/RemoteMediaPlayerController.java
index ecb0420023c9c6a67f0acac540e0d7a57e41c594..edf5384e5b788ba496c3ad2675caa1bf2a8145f6 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/media/remote/RemoteMediaPlayerController.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/media/remote/RemoteMediaPlayerController.java
@@ -203,6 +203,17 @@ public class RemoteMediaPlayerController implements MediaRouteController.UiListe
         showMediaRouteControlDialog(player, ApplicationStatus.getLastTrackedFocusedActivity());
     }
 
+    /**
+     * Called when a lower layer requests to stop casting the video.
+     * @param player The player to stop remote playback for.
+     */
+    public void requestRemotePlaybackStop(MediaRouteController.MediaStateListener player) {
+        if (mCurrentRouteController == null) return;
+        if (mCurrentRouteController.getMediaStateListener() != player) return;
+
+        mCurrentRouteController.release();
+    }
+
     private void showMediaRouteDialog(MediaStateListener player, MediaRouteController controller,
             Activity activity) {