[Media Router] Add DialMediaSinkService and DeviceDescriptionService

chrome/common/media_router/discovery/media_sink_internal.cc

 // 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.
 
 #include "chrome/common/media_router/discovery/media_sink_internal.h"
 
 #include "base/logging.h"
 #include "base/strings/string_util.h"
 
 namespace media_router {
@@ skipping 46 matching lines @@
       return *dial_data_ == *(other.dial_data_);
     case SinkType::CAST:
       return *cast_data_ == *(other.cast_data_);
     case SinkType::GENERIC:
       return true;
   }
   NOTREACHED();
   return false;
 }
 
+bool MediaSinkInternal::operator!=(const MediaSinkInternal& other) const {
+  return !operator==(other);
+}
+
+bool MediaSinkInternal::operator<(const MediaSinkInternal& other) const {
+  return sink_.id() < other.sink().id();
+}
+
 void MediaSinkInternal::set_sink(const MediaSink& sink) {
   sink_ = sink;
 }
 
 void MediaSinkInternal::set_dial_data(const DialSinkExtraData& dial_data) {
   DCHECK(sink_type_ != SinkType::CAST);
   InternalCleanup();
 
   sink_type_ = SinkType::DIAL;
   dial_data_.Init(dial_data);
@@ skipping 89 matching lines @@
 CastSinkExtraData::CastSinkExtraData(const CastSinkExtraData& other) = default;
 CastSinkExtraData::~CastSinkExtraData() = default;
 
 bool CastSinkExtraData::operator==(const CastSinkExtraData& other) const {
   return ip_address == other.ip_address && model_name == other.model_name &&
          capabilities == other.capabilities &&
          cast_channel_id == other.cast_channel_id;
 }
 
 }  // namespace media_router