[Presentation API] (1st) (1-UA) Add is_offscreen_presentation attribute to MediaRouter

chrome/browser/media/router/presentation_service_delegate_impl.h

Index: chrome/browser/media/router/presentation_service_delegate_impl.h
diff --git a/chrome/browser/media/router/presentation_service_delegate_impl.h b/chrome/browser/media/router/presentation_service_delegate_impl.h
index 8b89af126f8b754d20ad365bc41001c80622d411..76b42c8690a6c9f8a2e6cd17435edc07932c35dd 100644
--- a/chrome/browser/media/router/presentation_service_delegate_impl.h
+++ b/chrome/browser/media/router/presentation_service_delegate_impl.h
@@ -193,7 +193,7 @@ class PresentationServiceDelegateImpl
       int render_frame_id,
       const content::PresentationSessionStartedCallback& success_cb,
       const content::PresentationSessionInfo& new_session,
-      const MediaRoute::Id& route_id);
+      const MediaRoute& route);
 
   // References to the WebContents that owns this instance, and associated
   // browser profile's MediaRouter instance.