Add WiFi SSID getter to NetworkChangeNotifier.

net/base/network_change_notifier.cc

 // Copyright (c) 2012 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 "net/base/network_change_notifier.h"
 
 #include <limits>
 
 #include "base/metrics/histogram.h"
 #include "base/synchronization/lock.h"
@@ skipping 30 matching lines @@
 NetworkChangeNotifier* g_network_change_notifier = NULL;
 
 // Class factory singleton.
 NetworkChangeNotifierFactory* g_network_change_notifier_factory = NULL;
 
 class MockNetworkChangeNotifier : public NetworkChangeNotifier {
  public:
   ConnectionType GetCurrentConnectionType() const override {
     return CONNECTION_UNKNOWN;
   }
+  std::string GetCurrentWiFiSSID() const override { return ""; }
 };
 
 }  // namespace
 
 // The main observer class that records UMAs for network events.
 class HistogramWatcher
     : public NetworkChangeNotifier::ConnectionTypeObserver,
       public NetworkChangeNotifier::IPAddressObserver,
       public NetworkChangeNotifier::DNSObserver,
       public NetworkChangeNotifier::NetworkChangeObserver {
@@ skipping 468 matching lines @@
 }
 
 // static
 NetworkChangeNotifier::ConnectionType
 NetworkChangeNotifier::GetConnectionType() {
   return g_network_change_notifier ?
       g_network_change_notifier->GetCurrentConnectionType() :
       CONNECTION_UNKNOWN;
 }
 
+std::string NetworkChangeNotifier::GetWiFiSSID() {
+  return g_network_change_notifier
+             ? g_network_change_notifier->GetCurrentWiFiSSID()
+             : "";
+}
+
 // static
 double NetworkChangeNotifier::GetMaxBandwidth() {
   return g_network_change_notifier ?
       g_network_change_notifier->GetCurrentMaxBandwidth() :
       std::numeric_limits<double>::infinity();
 }
 
 // static
 void NetworkChangeNotifier::GetDnsConfig(DnsConfig* config) {
   if (!g_network_change_notifier) {
@@ skipping 430 matching lines @@
   DCHECK(g_network_change_notifier);
   g_network_change_notifier = NULL;
 }
 
 NetworkChangeNotifier::DisableForTest::~DisableForTest() {
   DCHECK(!g_network_change_notifier);
   g_network_change_notifier = network_change_notifier_;
 }
 
 }  // namespace net