Add DiscoveryNetworkMonitor implementation

chrome/browser/media/router/discovery/discovery_network_info.cpp

+// Copyright (c) 2017 The Chromium Authors. All rights reserved.

[imcheng, 2017/05/26 23:49:00]

.cc instead of .cpp? Though see mfoltz@'s comment about merging this with into
another file.

[btolsch, 2017/05/30 09:54:30]

Done.

+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "chrome/browser/media/router/discovery/discovery_network_info.h"
+
+DiscoveryNetworkInfo::DiscoveryNetworkInfo() {}
+
+DiscoveryNetworkInfo::DiscoveryNetworkInfo(std::string name,
+                                           std::string network_id)
+    : name(name), network_id(network_id) {}
+
+DiscoveryNetworkInfo::DiscoveryNetworkInfo(const DiscoveryNetworkInfo&) =
+    default;
+
+DiscoveryNetworkInfo& DiscoveryNetworkInfo::operator=(
+    const DiscoveryNetworkInfo&) = default;
+
+bool DiscoveryNetworkInfo::operator==(const DiscoveryNetworkInfo& o) const {

[imcheng, 2017/05/26 23:49:00]

nit: Please use a more descriptive name for the param, e.g., other

[btolsch, 2017/05/30 09:54:30]

Done.

+  return name == o.name && network_id == o.network_id;
+}
+
+bool DiscoveryNetworkInfo::operator!=(const DiscoveryNetworkInfo& o) const {
+  return !(*this == o);
+}