[Media Router] Add DialMediaSinkService and DeviceDescriptionService

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 a0a84977bae2bfc6077ecabb1b5f0db974b7cf32..c4256127390f7eaeb0176b4667e31d01ecc2a653 100644
--- a/chrome/browser/media/router/discovery/media_sink_internal.cc
+++ b/chrome/browser/media/router/discovery/media_sink_internal.cc
@@ -66,6 +66,10 @@ bool MediaSinkInternal::operator==(const MediaSinkInternal& other) const {
   NOTREACHED();
 }
 
+bool MediaSinkInternal::operator!=(const MediaSinkInternal& other) const {
+  return !operator==(other);
+}
+
 void MediaSinkInternal::set_sink(const MediaSink& sink) {
   sink_ = sink;
 }
@@ -154,6 +158,13 @@ void MediaSinkInternal::InternalCleanup() {
 }
 
 DialSinkExtraData::DialSinkExtraData() = default;
+DialSinkExtraData::DialSinkExtraData(const std::string& ip_address,
+                                     const std::string& model_name,
+                                     const std::string& app_url)
+    : model_name(model_name), app_url(GURL(app_url)) {
+  DCHECK(this->ip_address.AssignFromIPLiteral(ip_address));
+}
+
 DialSinkExtraData::DialSinkExtraData(const DialSinkExtraData& other) = default;
 DialSinkExtraData::~DialSinkExtraData() = default;