[Presentation API, MediaRouter] Routing from media sink selection to route creation.

chrome/browser/media/router/create_presentation_session_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_SESSION_REQUEST_H_
 #define CHROME_BROWSER_MEDIA_ROUTER_CREATE_PRESENTATION_SESSION_REQUEST_H_
 
 #include <string>
 
 #include "chrome/browser/media/router/media_route.h"
@@ skipping 37 matching lines @@
   const MediaSource& media_source() const { return media_source_; }
   const GURL& frame_url() const { return frame_url_; }
 
   // Invokes |success_cb_| or |error_cb_| with the given arguments.
   // These functions can only be invoked once per instance. Further invocations
   // are no-op.
   void MaybeInvokeSuccessCallback(const std::string& presentation_id,
                                   const MediaRoute::Id& route_id);
   void MaybeInvokeErrorCallback(const content::PresentationError& error);
 
+  // Handle route creation/joining response by invoking the right callback.
+  static void HandleRouteResponse(
+      scoped_ptr<CreatePresentationSessionRequest> presentation_request,
+      const MediaRoute* route,
+      const std::string& presentation_id,
+      const std::string& error);
+
  private:
   const MediaSource media_source_;
   const GURL frame_url_;
   PresentationSessionSuccessCallback success_cb_;
   PresentationSessionErrorCallback error_cb_;
   bool cb_invoked_;
 
   DISALLOW_COPY_AND_ASSIGN(CreatePresentationSessionRequest);
 };
 
 }  // namespace media_router
 
 #endif  // CHROME_BROWSER_MEDIA_ROUTER_CREATE_PRESENTATION_SESSION_REQUEST_H_