Add wifi AP info to system profile metrics

net/base/network_change_notifier.cc

Index: net/base/network_change_notifier.cc
diff --git a/net/base/network_change_notifier.cc b/net/base/network_change_notifier.cc
index aef83563ffc08fb44f03a696efb9232cab9e59bb..baca14b73ea3754c2270dc501e5943216da9af1d 100644
--- a/net/base/network_change_notifier.cc
+++ b/net/base/network_change_notifier.cc
@@ -387,6 +387,12 @@ class NetworkChangeNotifier::NetworkState {
   DnsConfig dns_config_;
 };
 
+NetworkChangeNotifier::WifiApInfo::WifiApInfo() {
+}
+
+NetworkChangeNotifier::WifiApInfo::~WifiApInfo() {
+}
+
 NetworkChangeNotifier::NetworkChangeCalculatorParams::
     NetworkChangeCalculatorParams() {
 }
@@ -522,6 +528,13 @@ NetworkChangeNotifier::GetConnectionType() {
 }
 
 // static
+bool NetworkChangeNotifier::GetWifiApInfo(WifiApInfo &info) {
+  return g_network_change_notifier ?
+      g_network_change_notifier->GetCurrentWifiApInfo(info) :
+      false;
+}
+
+// static
 void NetworkChangeNotifier::GetDnsConfig(DnsConfig* config) {
   if (!g_network_change_notifier) {
     *config = DnsConfig();