[Presentation API] (alternative) 1-UA: send message between controller and receiver page

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..a46ac20cc3b98fb6b2a7853ce400af6538b02f69 100644
--- a/chrome/browser/media/router/presentation_service_delegate_impl.h
+++ b/chrome/browser/media/router/presentation_service_delegate_impl.h
@@ -35,6 +35,7 @@ namespace media_router {
 
 class MediaRoute;
 class MediaSinksObserver;
+class OffscreenPresentationManager;
 class PresentationFrameManager;
 class RouteRequestResult;
 
@@ -46,7 +47,7 @@ class RouteRequestResult;
 // and is managed by the associated WebContents.
 class PresentationServiceDelegateImpl
     : public content::WebContentsUserData<PresentationServiceDelegateImpl>,
-      public content::PresentationServiceDelegate {
+      public content::ControllerPresentationServiceDelegate {
  public:
   // Observer interface for listening to default presentation request
   // changes for the WebContents.
@@ -77,7 +78,7 @@ class PresentationServiceDelegateImpl
   void AddObserver(
       int render_process_id,
       int render_frame_id,
-      content::PresentationServiceDelegate::Observer* observer) override;
+      content::PresentationServiceDelegateBase::Observer* observer) override;
   void RemoveObserver(int render_process_id, int render_frame_id) override;
   bool AddScreenAvailabilityListener(
       int render_process_id,
@@ -128,6 +129,11 @@ class PresentationServiceDelegateImpl
       const content::PresentationSessionInfo& connection,
       const content::PresentationConnectionStateChangedCallback&
           state_changed_cb) override;
+  void ConnectToOffscreenPresentation(
+      int render_process_id,
+      int render_frame_id,
+      const content::PresentationSessionInfo& session,
+      content::PresentationConnectionPtr connection) override;
 
   // Callback invoked when a default PresentationRequest is started from a
   // browser-initiated dialog.
@@ -193,7 +199,7 @@ 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.