[PresentationSevice] Use PresentationConnection to send messages from

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 50b9af549010c81695924b5580ff895e41c8cc63..aa45a238692d0c298c6137cf82ad330fed4b2b1a 100644
--- a/chrome/browser/media/router/presentation_service_delegate_impl.h
+++ b/chrome/browser/media/router/presentation_service_delegate_impl.h
@@ -115,12 +115,6 @@ class PresentationServiceDelegateImpl
   void Terminate(int render_process_id,
                  int render_frame_id,
                  const std::string& presentation_id) override;
-  void ListenForConnectionMessages(
-      int render_process_id,
-      int render_frame_id,
-      const content::PresentationInfo& presentation_info,
-      const content::PresentationConnectionMessageCallback& message_cb)
-      override;
   void SendMessage(int render_process_id,
                    int render_frame_id,
                    const content::PresentationInfo& presentation_info,
@@ -185,6 +179,8 @@ class PresentationServiceDelegateImpl
                            DefaultPresentationUrlCallback);
   FRIEND_TEST_ALL_PREFIXES(PresentationServiceDelegateImplTest,
                            TestCloseConnectionForOffscreenPresentation);
+  FRIEND_TEST_ALL_PREFIXES(PresentationServiceDelegateImplTest,
+                           ConnectToOffscreenPresentation);
   FRIEND_TEST_ALL_PREFIXES(PresentationServiceDelegateImplTest,
                            ConnectToPresentation);