[Media Router] Connection state change listening redesign part 2.

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 <string>
 #include <vector>
 
@@ skipping 37 matching lines @@
   }
   MOCK_METHOD3(SendRouteBinaryMessageInternal,
                void(const MediaRoute::Id& route_id,
                     std::vector<uint8>* data,
                     const SendRouteMessageCallback& callback));
   MOCK_METHOD1(AddIssue, void(const Issue& issue));
   MOCK_METHOD1(ClearIssue, void(const Issue::Id& issue_id));
   MOCK_METHOD1(OnPresentationSessionDetached,
                void(const MediaRoute::Id& route_id));
   MOCK_CONST_METHOD0(HasLocalDisplayRoute, bool());
+  MOCK_CONST_METHOD0(HasLocalRoute, bool());
+  scoped_ptr<PresentationConnectionStateSubscription>
+  AddPresentationConnectionStateChangedCallback(
+      const MediaRoute::Id& route_id,
+      const content::PresentationConnectionStateChangedCallback& callback)
+      override {
+    OnAddPresentationConnectionStateChangedCallbackInvoked(callback);
+    return connection_state_callbacks_.Add(callback);
+  }
+  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(RegisterPresentationSessionMessagesObserver,
                void(PresentationSessionMessagesObserver* observer));
   MOCK_METHOD1(UnregisterPresentationSessionMessagesObserver,
                void(PresentationSessionMessagesObserver* observer));
   MOCK_METHOD1(RegisterLocalMediaRoutesObserver,
                void(LocalMediaRoutesObserver* observer));
   MOCK_METHOD1(UnregisterLocalMediaRoutesObserver,
                void(LocalMediaRoutesObserver* observer));
-  MOCK_METHOD1(RegisterPresentationConnectionStateObserver,
-               void(PresentationConnectionStateObserver* observer));
-  MOCK_METHOD1(UnregisterPresentationConnectionStateObserver,
-               void(PresentationConnectionStateObserver* observer));
+
+ private:
+  base::CallbackList<void(content::PresentationConnectionState)>
+      connection_state_callbacks_;
 };
 
 }  // namespace media_router
 
 #endif  // CHROME_BROWSER_MEDIA_ROUTER_MOCK_MEDIA_ROUTER_H_