[Media Router] Convert MediaRouter to use GURL for presentation URLs.

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>
 
 #include "base/macros.h"
 #include "chrome/browser/media/router/media_route.h"
 #include "chrome/browser/media/router/media_source.h"
 #include "chrome/browser/media/router/presentation_request.h"
 #include "chrome/browser/media/router/render_frame_host_id.h"
 #include "content/public/browser/presentation_service_delegate.h"
-#include "url/gurl.h"
+
+class GURL;
 
 namespace content {
 struct PresentationError;
 struct PresentationSessionInfo;
 }  // namespace content
 
 namespace media_router {
 
 class RouteRequestResult;
 
@@ skipping 10 matching lines @@
                           const MediaRoute::Id&)>;
   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 std::string& presentation_url,
+      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.
@@ skipping 13 matching lines @@
   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_