From 2996e4ab425c86be89c7e8cdec2fc7a5edb54dc7 Mon Sep 17 00:00:00 2001
From: Dani Li <yli523@gmail.com>
Date: Fri, 12 Jan 2018 16:20:54 -0800
Subject: [PATCH] Update MediaSessions.metadata type (#22856)

Media Session metadata can be nullable. Adding null to type
---
 types/wicg-mediasession/index.d.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/types/wicg-mediasession/index.d.ts b/types/wicg-mediasession/index.d.ts
index 389d2d2b5b..ac08c8ef4f 100644
--- a/types/wicg-mediasession/index.d.ts
+++ b/types/wicg-mediasession/index.d.ts
@@ -19,7 +19,7 @@ interface MediaSession {
   // Current media session playback state.
   playbackState: MediaSessionPlaybackState;
   // Current media session meta data.
-  metadata?: MediaMetadata;
+  metadata?: MediaMetadata|null;
 
   // Set/Unset actions handlers.
   setActionHandler(action: MediaSessionAction, listener?: () => void): void;