[Media Router] Add DialMediaSinkService and DeviceDescriptionService

chrome/common/media_router/discovery/media_sink_internal.h

 // Copyright 2017 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_COMMON_MEDIA_ROUTER_DISCOVERY_MEDIA_SINK_INTERNAL_H_
 #define CHROME_COMMON_MEDIA_ROUTER_DISCOVERY_MEDIA_SINK_INTERNAL_H_
 
 #include <utility>
 
 #include "base/memory/manual_constructor.h"
@@ skipping 55 matching lines @@
   MediaSinkInternal(const MediaSink& sink, const DialSinkExtraData& dial_data);
   MediaSinkInternal(const MediaSink& sink, const CastSinkExtraData& cast_data);
 
   // Used to push instance of this class into vector.
   MediaSinkInternal(const MediaSinkInternal& other);
 
   ~MediaSinkInternal();
 
   MediaSinkInternal& operator=(const MediaSinkInternal& other);
   bool operator==(const MediaSinkInternal& other) const;
+  bool operator!=(const MediaSinkInternal& other) const;
+  // Sorted by sink id.
+  bool operator<(const MediaSinkInternal& other) const;
 
   // Used by mojo.
   void set_sink_id(const MediaSink::Id& sink_id) { sink_.set_sink_id(sink_id); }
   void set_name(const std::string& name) { sink_.set_name(name); }
   void set_description(const std::string& description) {
     sink_.set_description(description);
   }
   void set_domain(const std::string& domain) { sink_.set_domain(domain); }
   void set_icon_type(MediaSink::IconType icon_type) {
     sink_.set_icon_type(icon_type);
@@ skipping 33 matching lines @@
     base::ManualConstructor<DialSinkExtraData> dial_data_;
 
     // Set if sink is Cast sink.
     base::ManualConstructor<CastSinkExtraData> cast_data_;
   };
 };
 
 }  // namespace media_router
 
 #endif  // CHROME_COMMON_MEDIA_ROUTER_DISCOVERY_MEDIA_SINK_INTERNAL_H_