Determine connection type in NetworkChangeNotifierLinux.

net/base/network_change_notifier_linux.cc

Index: net/base/network_change_notifier_linux.cc
diff --git a/net/base/network_change_notifier_linux.cc b/net/base/network_change_notifier_linux.cc
index f77025a33d8904750a0d3e227c59f7086305c09b..dfdea59a006d8de65845ed8e2ffc3e849cb43d54 100644
--- a/net/base/network_change_notifier_linux.cc
+++ b/net/base/network_change_notifier_linux.cc
@@ -12,6 +12,10 @@
 
 namespace net {
 
+namespace {
+NetworkChangeNotifierLinux* g_instance;
+}  // namespace
+
 class NetworkChangeNotifierLinux::Thread : public base::Thread {
  public:
   Thread();
@@ -27,6 +31,17 @@ class NetworkChangeNotifierLinux::Thread : public base::Thread {
     return &address_tracker_;
   }
 
+  bool AddNetifToIgnore(const std::string& netif_name) {
+    return address_tracker_.AddNetifToIgnore(netif_name);
+  }
+  bool RemoveNetifToIgnore(const std::string& netif_name) {
+    return address_tracker_.RemoveNetifToIgnore(netif_name);
+  }
+
+  std::string GetPrimaryNetif() const {
+    return address_tracker_.GetPrimaryNetif();
+  };
+
  protected:
   // base::Thread
   void Init() override;
@@ -66,7 +81,12 @@ void NetworkChangeNotifierLinux::Thread::CleanUp() {
 }
 
 NetworkChangeNotifierLinux* NetworkChangeNotifierLinux::Create() {
-  return new NetworkChangeNotifierLinux();
+  g_instance = new NetworkChangeNotifierLinux();
+  return g_instance;
+}
+
+NetworkChangeNotifierLinux* NetworkChangeNotifierLinux::GetInstance() {
+  return g_instance;
 }
 
 NetworkChangeNotifierLinux::NetworkChangeNotifierLinux()
@@ -99,11 +119,30 @@ NetworkChangeNotifierLinux::NetworkChangeCalculatorParamsLinux() {
   return params;
 }
 
+scoped_refptr<base::MessageLoopProxy>
+NetworkChangeNotifierLinux::GetMessageLoopProxy() const {
+  return notifier_thread_->message_loop_proxy();
+}
+
 NetworkChangeNotifier::ConnectionType
 NetworkChangeNotifierLinux::GetCurrentConnectionType() const {
   return notifier_thread_->GetCurrentConnectionType();
 }
 
+bool NetworkChangeNotifierLinux::AddNetifToIgnore(
+    const std::string& netif_name) {
+  return notifier_thread_->AddNetifToIgnore(netif_name);
+}
+
+bool NetworkChangeNotifierLinux::RemoveNetifToIgnore(
+    const std::string& netif_name) {
+  return notifier_thread_->RemoveNetifToIgnore(netif_name);
+}
+
+std::string NetworkChangeNotifierLinux::GetPrimaryNetif() const {
+  return notifier_thread_->GetPrimaryNetif();
+}
+
 const internal::AddressTrackerLinux*
 NetworkChangeNotifierLinux::GetAddressTrackerInternal() const {
   return notifier_thread_->address_tracker();