[Media Router] Add ProvideSinks() Mojo API

chrome/browser/media/router/discovery/media_sink_internal.cc

Index: chrome/browser/media/router/discovery/media_sink_internal.cc
diff --git a/chrome/browser/media/router/discovery/media_sink_internal.cc b/chrome/browser/media/router/discovery/media_sink_internal.cc
index 20f74d3108d0cc348e64ee5c715bd4b7dbe07396..00fac7f3e01a019ee71c12b508e236edb013ddaf 100644
--- a/chrome/browser/media/router/discovery/media_sink_internal.cc
+++ b/chrome/browser/media/router/discovery/media_sink_internal.cc
@@ -28,6 +28,11 @@ MediaSinkInternal::~MediaSinkInternal() = default;
 MediaSinkInternal& MediaSinkInternal::operator=(
     const MediaSinkInternal& other) = default;
 
+bool MediaSinkInternal::operator==(const MediaSinkInternal& other) const {
+  return sink_ == other.sink_ && dial_data_ == other.dial_data_ &&
+         cast_data_ == other.cast_data_;
+}
+
 void MediaSinkInternal::set_sink(const MediaSink& sink) {
   sink_ = sink;
 }
@@ -64,8 +69,19 @@ DialSinkExtraData::DialSinkExtraData() = default;
 DialSinkExtraData::DialSinkExtraData(const DialSinkExtraData& other) = default;
 DialSinkExtraData::~DialSinkExtraData() = default;
 
+bool DialSinkExtraData::operator==(const DialSinkExtraData& other) const {
+  return ip_address == other.ip_address && model_name == other.model_name &&
+         app_url == other.app_url;
+}
+
 CastSinkExtraData::CastSinkExtraData() = default;
 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