Expose API to detect when captive portal probe was blocked on Android

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 <unordered_set>
 
 #include "base/macros.h"
@@ skipping 655 matching lines @@
 // static
 NetworkChangeNotifier::NetworkHandle
 NetworkChangeNotifier::GetDefaultNetwork() {
   DCHECK(AreNetworkHandlesSupported());
   return g_network_change_notifier
              ? g_network_change_notifier->GetCurrentDefaultNetwork()
              : kInvalidNetworkHandle;
 }
 
 // static
+bool NetworkChangeNotifier::GetNetworkCaptivePortal() {
+  return g_network_change_notifier
+             ? g_network_change_notifier->GetCurrentNetworkCaptivePortal()
+             : false;
+}
+
+// static
 void NetworkChangeNotifier::GetDnsConfig(DnsConfig* config) {
   if (!g_network_change_notifier) {
     *config = DnsConfig();
   } else {
     g_network_change_notifier->network_state_->GetDnsConfig(config);
   }
 }
 
 // static
 const char* NetworkChangeNotifier::ConnectionTypeToString(
@@ skipping 325 matching lines @@
 NetworkChangeNotifier::GetCurrentNetworkConnectionType(
     NetworkHandle network) const {
   return CONNECTION_UNKNOWN;
 }
 
 NetworkChangeNotifier::NetworkHandle
 NetworkChangeNotifier::GetCurrentDefaultNetwork() const {
   return kInvalidNetworkHandle;
 }
 
+bool NetworkChangeNotifier::GetCurrentNetworkCaptivePortal() const {
+  return false;
+}
+
 // static
 void NetworkChangeNotifier::NotifyObserversOfIPAddressChange() {
   if (g_network_change_notifier &&
       !NetworkChangeNotifier::test_notifications_only_) {
     g_network_change_notifier->NotifyObserversOfIPAddressChangeImpl();
   }
 }
 
 // static
 void NetworkChangeNotifier::NotifyObserversOfConnectionTypeChange() {
@@ skipping 138 matching lines @@
 
 NetworkChangeNotifier::DisableForTest::~DisableForTest() {
   DCHECK(!g_network_change_notifier);
   g_network_change_notifier = network_change_notifier_;
 }
 
 void NetworkChangeNotifier::DNSObserver::OnInitialDNSConfigRead() {
 }
 
 }  // namespace net