[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 fb63b45a55970065cfcd440df526c45e8c14bd96..21ee5ee72e6400f64c5ff86a8994e0bbe9e6e590 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;
 
@@ -130,6 +131,14 @@ class PresentationServiceDelegateImpl
       const content::PresentationSessionInfo& connection,
       const content::PresentationConnectionStateChangedCallback&
           state_changed_cb) override;
+  void RegisterReceiverAvailableCallback(
+      const content::ReceiverConnectionAvailableCallback&
+          receiver_available_callback) override;
+  void RegisterOffscreenPresentationConnection(
+      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.
@@ -204,6 +213,8 @@ class PresentationServiceDelegateImpl
 
   std::unique_ptr<PresentationFrameManager> frame_manager_;
 
+  OffscreenPresentationManager* offscreen_presentation_manager_;
+
   base::WeakPtrFactory<PresentationServiceDelegateImpl> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(PresentationServiceDelegateImpl);