[Media Router] Add MediaSink subtypes

chrome/browser/media/router/mojo/media_router_mojo_impl.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_MOJO_MEDIA_ROUTER_MOJO_IMPL_H_
 #define CHROME_BROWSER_MEDIA_ROUTER_MOJO_MEDIA_ROUTER_MOJO_IMPL_H_
 
 #include <stdint.h>
 
 #include <deque>
@@ skipping 267 matching lines @@
   // Error handler callback for |binding_| and |media_route_provider_|.
   void OnConnectionError();
 
   // mojom::MediaRouter implementation.
   void RegisterMediaRouteProvider(
       mojom::MediaRouteProviderPtr media_route_provider_ptr,
       const mojom::MediaRouter::RegisterMediaRouteProviderCallback&
           callback) override;
   void OnIssue(const IssueInfo& issue) override;
   void OnSinksReceived(const std::string& media_source,
-                       std::vector<mojom::MediaSinkPtr> sinks,
+                       std::vector<std::unique_ptr<MediaSink>> sinks,
                        const std::vector<std::string>& origins) override;
   void OnRoutesUpdated(
       std::vector<mojom::MediaRoutePtr> routes,
       const std::string& media_source,
       const std::vector<std::string>& joinable_route_ids) override;
   void OnSinkAvailabilityUpdated(
       mojom::MediaRouter::SinkAvailability availability) override;
   void OnPresentationConnectionStateChanged(
       const std::string& route_id,
       mojom::MediaRouter::PresentationConnectionState state) override;
@@ skipping 130 matching lines @@
 #endif
 
   base::WeakPtrFactory<MediaRouterMojoImpl> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(MediaRouterMojoImpl);
 };
 
 }  // namespace media_router
 
 #endif  // CHROME_BROWSER_MEDIA_ROUTER_MOJO_MEDIA_ROUTER_MOJO_IMPL_H_