Add Windows and Mac network list implementation

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

 // Copyright (c) 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/browser/media/router/discovery/discovery_network_list.h"
 
 #include <algorithm>
 #include <iterator>
 #include <set>
 
+#include <iostream>  // XXX
+
 #include "testing/gtest/include/gtest/gtest.h"
 
 TEST(DiscoveryNetworkListTest, GetDiscoveryNetworkInfoList) {
   auto network_ids = GetDiscoveryNetworkInfoList();
   for (const auto& network_id : network_ids) {
     // We can't mock out the OS layer used by GetDiscoveryNetworkIdList, so
     // instead just check that each returned interface name is non-empty.
+    std::cout << network_id.name << ": " << network_id.network_id << std::endl;
     EXPECT_FALSE(network_id.name.empty());
   }
 
   // Also check that at most one ID is returned per interface name.
   std::set<std::string> interface_name_set;
   std::transform(begin(network_ids), end(network_ids),
                  std::insert_iterator<std::set<std::string>>{
                      interface_name_set, end(interface_name_set)},
                  [](const DiscoveryNetworkInfo& network_info) {
                    return network_info.name;
@@ skipping 20 matching lines @@
       {"wlan1", "ssid0"}, {"eth0", "de:ad:be:ef:00:11"}, {"wlan0", "ssid0"},
   });
   std::vector<DiscoveryNetworkInfo> sorted_network_info({
       {"eth0", "de:ad:be:ef:00:11"}, {"wlan1", "ssid0"}, {"wlan0", "ssid0"},
   });
 
   StableSortDiscoveryNetworkInfo(network_info.begin(), network_info.end());
 
   EXPECT_EQ(sorted_network_info, network_info);
 }