Pass origin to StartObservingMediaSinks.

chrome/test/media_router/media_router_e2e_browsertest.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_TEST_MEDIA_ROUTER_MEDIA_ROUTER_E2E_BROWSERTEST_H_
 #define CHROME_TEST_MEDIA_ROUTER_MEDIA_ROUTER_E2E_BROWSERTEST_H_
 
 #include <string>
 
 #include "base/memory/scoped_ptr.h"
@@ skipping 19 matching lines @@
 
 
   // Callback from MediaRouter when a response to a media route request is
   // received.
   void OnRouteResponseReceived(const RouteRequestResult& result);
 
   // Initializes |observer_| to listen for sinks compatible with |source|,
   // finds sink with name matching receiver_, and establishes media
   // route between the source and sink.
   // |observer_| and |route_id_| will be initialized.
-  // |origin| is the URL of requestor's page.
   // |web_contents| identifies the tab in which the request was made.
-  // |origin| and |web_contents| are used for enforcing same-origin and/or
+  // |source| and |web_contents| are used for enforcing same-origin and/or
   // same-tab scope for JoinRoute() requests. (e.g., if enforced, the page
   // requesting JoinRoute() must have the same origin as the page that
   // requested CreateRoute()).
   void CreateMediaRoute(const MediaSource& source,
-                        const GURL& origin,
                         content::WebContents* web_contents);
 
   // Stops the established media route and unregisters |observer_|.
   // Note that the route may not be stopped immediately, as it makes an
   // async call to the Media Route Provider.
   // |observer_| and |route_id_| will be reset.
   void StopMediaRoute();
 
   bool IsSinkDiscovered() const;
   bool IsRouteCreated() const;
 
   void OpenMediaPage();
 
  private:
   MediaRouter* media_router_;
   scoped_ptr<TestMediaSinksObserver> observer_;
   MediaRoute::Id route_id_;
 };
 
 }  // namespace media_router
 
 #endif  // CHROME_TEST_MEDIA_ROUTER_MEDIA_ROUTER_E2E_BROWSERTEST_H_