Index: content/common/media/media_session_messages_android.h |
diff --git a/content/common/media/media_session_messages_android.h b/content/common/media/media_session_messages_android.h |
index 7e951d1344f21f5a1cb2a2ab3a8baa9c7a61bb44..af2b474baf49762194d65456c1585102d51fb5d7 100644 |
--- a/content/common/media/media_session_messages_android.h |
+++ b/content/common/media/media_session_messages_android.h |
@@ -5,6 +5,7 @@ |
// IPC messages for the Media Session API. |
// Multiply-included message file, hence no include guard. |
+#include "base/optional.h" |
#include "content/common/android/gin_java_bridge_errors.h" |
#include "content/common/content_export.h" |
#include "content/public/common/media_metadata.h" |
@@ -41,4 +42,4 @@ IPC_MESSAGE_ROUTED2(MediaSessionHostMsg_Deactivate, |
IPC_MESSAGE_ROUTED2(MediaSessionHostMsg_SetMetadata, |
int /* request_id*/, |
- content::MediaMetadata /* metadata */) |
+ base::Optional<content::MediaMetadata> /* metadata */) |