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

chrome/browser/media/router/create_presentation_connection_request.h

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROME_BROWSER_MEDIA_ROUTER_CREATE_PRESENTATION_CONNECTION_REQUEST_H_
 #define CHROME_BROWSER_MEDIA_ROUTER_CREATE_PRESENTATION_CONNECTION_REQUEST_H_
 
 #include <memory>
 #include <string>
 
@@ skipping 18 matching lines @@
 // Holds parameters for creating a presentation session.
 // A request object is created by presentation_service_delegate_impl when it
 // gets create-session request. The object is then passed to and owned by the
 // MediaRouterUI. |success_cb| will be invoked when create-session
 // succeeds, or |error_cb| will be invoked when create-session fails or
 // the UI closes.
 class CreatePresentationConnectionRequest {
  public:
   using PresentationSessionSuccessCallback =
       base::Callback<void(const content::PresentationSessionInfo&,
-                          const MediaRoute::Id&)>;
+                          const MediaRoute&)>;
   using PresentationSessionErrorCallback =
       content::PresentationSessionErrorCallback;
   // |presentation_url|: The presentation URL of the request. Must be a valid
   //                     URL.
   // |frame_url|: The URL of the frame that initiated the presentation request.
   // |success_cb|: Callback to invoke when the request succeeds. Must be valid.
   // |erorr_cb|: Callback to invoke when the request fails. Must be valid.
   CreatePresentationConnectionRequest(
       const RenderFrameHostId& render_frame_host_id,
       const GURL& presentation_url,
       const GURL& frame_url,
       const PresentationSessionSuccessCallback& success_cb,
       const PresentationSessionErrorCallback& error_cb);
   ~CreatePresentationConnectionRequest();
 
   const PresentationRequest& presentation_request() const {
     return presentation_request_;
   }
 
   // Invokes |success_cb_| or |error_cb_| with the given arguments.
   // These functions can only be invoked once per instance. It is an error
   // to invoke these functions more than once.
   void InvokeSuccessCallback(const std::string& presentation_id,
-                             const MediaRoute::Id& route_id);
+                             const MediaRoute& route);
   void InvokeErrorCallback(const content::PresentationError& error);
 
   // Handle route creation/joining response by invoking the right callback.
   static void HandleRouteResponse(
       std::unique_ptr<CreatePresentationConnectionRequest> presentation_request,
       const RouteRequestResult& result);
 
  private:
   const PresentationRequest presentation_request_;
   PresentationSessionSuccessCallback success_cb_;
   PresentationSessionErrorCallback error_cb_;
   bool cb_invoked_;
 
   DISALLOW_COPY_AND_ASSIGN(CreatePresentationConnectionRequest);
 };
 
 }  // namespace media_router
 
 #endif  // CHROME_BROWSER_MEDIA_ROUTER_CREATE_PRESENTATION_CONNECTION_REQUEST_H_