[MediaRouter] Renames CloseRoute() to Terminate() and creates DetachRoute()

chrome/browser/media/android/router/media_router_android.h

Index: chrome/browser/media/android/router/media_router_android.h
diff --git a/chrome/browser/media/android/router/media_router_android.h b/chrome/browser/media/android/router/media_router_android.h
index b9cbc2f12a0cf6a0ccad00868a9e033de139277f..c6d565abb1263a04cd9afaaa75c9d76422511173 100644
--- a/chrome/browser/media/android/router/media_router_android.h
+++ b/chrome/browser/media/android/router/media_router_android.h
@@ -40,7 +40,8 @@ class MediaRouterAndroid : public MediaRouterBase {
       const GURL& origin,
       content::WebContents* web_contents,
       const std::vector<MediaRouteResponseCallback>& callbacks) override;
-  void CloseRoute(const MediaRoute::Id& route_id) override;
+  void DetachRoute(const MediaRoute::Id& route_id) override;
+  void TerminateRoute(const MediaRoute::Id& route_id) override;
   void SendRouteMessage(const MediaRoute::Id& route_id,
                         const std::string& message,
                         const SendRouteMessageCallback& callback) override;