[Media Router] Add a presentation id to MediaRoute mapping in the MR

chrome/browser/media/router/mock_media_router.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_MOCK_MEDIA_ROUTER_H_
 #define CHROME_BROWSER_MEDIA_ROUTER_MOCK_MEDIA_ROUTER_H_
 
 #include <stdint.h>
 
 #include <string>
@@ skipping 69 matching lines @@
                void(const MediaRoute::Id& route_id));
   std::unique_ptr<PresentationConnectionStateSubscription>
   AddPresentationConnectionStateChangedCallback(
       const MediaRoute::Id& route_id,
       const content::PresentationConnectionStateChangedCallback& callback)
       override {
     OnAddPresentationConnectionStateChangedCallbackInvoked(callback);
     return connection_state_callbacks_.Add(callback);
   }
   MOCK_CONST_METHOD0(GetCurrentRoutes, std::vector<MediaRoute>());
+  MOCK_METHOD2(RegisterPresentationRoute,
+               void(const std::string& presentation_id,
+                    const MediaRoute& route));
+  MOCK_METHOD1(UnregisterPresentationRoute,
+               void(const std::string& presentation_id));
+  MOCK_CONST_METHOD1(GetPresentationRoute,
+                     const MediaRoute*(const std::string& presentation_id));
 
   MOCK_METHOD0(OnIncognitoProfileShutdown, void());
   MOCK_METHOD1(OnAddPresentationConnectionStateChangedCallbackInvoked,
                void(const content::PresentationConnectionStateChangedCallback&
                         callback));
   MOCK_METHOD1(RegisterIssuesObserver, void(IssuesObserver* observer));
   MOCK_METHOD1(UnregisterIssuesObserver, void(IssuesObserver* observer));
   MOCK_METHOD1(RegisterMediaSinksObserver, bool(MediaSinksObserver* observer));
   MOCK_METHOD1(UnregisterMediaSinksObserver,
                void(MediaSinksObserver* observer));
   MOCK_METHOD1(RegisterMediaRoutesObserver,
                void(MediaRoutesObserver* observer));
   MOCK_METHOD1(UnregisterMediaRoutesObserver,
                void(MediaRoutesObserver* observer));
   MOCK_METHOD1(RegisterRouteMessageObserver,
                void(RouteMessageObserver* observer));
   MOCK_METHOD1(UnregisterRouteMessageObserver,
                void(RouteMessageObserver* observer));
 
  private:
   base::CallbackList<void(
       const content::PresentationConnectionStateChangeInfo&)>
       connection_state_callbacks_;
 };
 
 }  // namespace media_router
 
 #endif  // CHROME_BROWSER_MEDIA_ROUTER_MOCK_MEDIA_ROUTER_H_