[Presentation API / Media Router] Clean up default pres URL logic.

content/renderer/presentation/presentation_dispatcher.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 CONTENT_RENDERER_PRESENTATION_PRESENTATION_DISPATCHER_H_
 #define CONTENT_RENDERER_PRESENTATION_PRESENTATION_DISPATCHER_H_
 
 #include <queue>
 
 #include "base/compiler_specific.h"
@@ skipping 82 matching lines @@
   // presentation::PresentationServiceClient
   void OnScreenAvailabilityNotSupported(const mojo::String& url) override;
   void OnScreenAvailabilityUpdated(const mojo::String& url,
                                    bool available) override;
   void OnSessionStateChanged(
       presentation::PresentationSessionInfoPtr session_info,
       presentation::PresentationConnectionState new_state) override;
   void OnSessionMessagesReceived(
       presentation::PresentationSessionInfoPtr session_info,
       mojo::Array<presentation::SessionMessagePtr> messages) override;
+  void OnDefaultSessionStarted(
+      presentation::PresentationSessionInfoPtr session_info) override;
 
   void OnSessionCreated(
       blink::WebPresentationConnectionClientCallbacks* callback,
       presentation::PresentationSessionInfoPtr session_info,
       presentation::PresentationErrorPtr error);
-  void OnDefaultSessionStarted(
-      presentation::PresentationSessionInfoPtr session_info);
 
   // Call to PresentationService to send the message in |request|.
   // |session_info| and |message| of |reuqest| will be consumed.
   // |HandleSendMessageRequests| will be invoked after the send is attempted.
   void DoSendMessage(SendMessageRequest* request);
   void HandleSendMessageRequests(bool success);
 
   void ConnectToPresentationServiceIfNeeded();
 
   void UpdateListeningState();
@@ skipping 38 matching lines @@
   // Updates the listening state of availability for |status| and notifies the
   // client.
   void UpdateListeningState(AvailabilityStatus* status);
 
   DISALLOW_COPY_AND_ASSIGN(PresentationDispatcher);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_PRESENTATION_PRESENTATION_DISPATCHER_H_