Update from https://crrev.com/306655

net/android/network_change_notifier_android.h

Index: net/android/network_change_notifier_android.h
diff --git a/net/android/network_change_notifier_android.h b/net/android/network_change_notifier_android.h
index 57d29b84669ca8ebd38256990a58c6087a17fe17..7710c26e15f409c40aa05135cd0da654186f500f 100644
--- a/net/android/network_change_notifier_android.h
+++ b/net/android/network_change_notifier_android.h
@@ -46,12 +46,19 @@ class NET_EXPORT_PRIVATE NetworkChangeNotifierAndroid
 
   // NetworkChangeNotifier:
   virtual ConnectionType GetCurrentConnectionType() const override;
+  // Requires ACCESS_WIFI_STATE permission in order to provide precise WiFi link
+  // speed.
+  virtual double GetCurrentMaxBandwidth() const override;
 
   // NetworkChangeNotifierDelegateAndroid::Observer:
   virtual void OnConnectionTypeChanged() override;
 
   static bool Register(JNIEnv* env);
 
+  // Promote GetMaxBandwidthForConnectionSubtype to public for the Android
+  // delegate class.
+  using NetworkChangeNotifier::GetMaxBandwidthForConnectionSubtype;
+
  private:
   friend class NetworkChangeNotifierAndroidTest;
   friend class NetworkChangeNotifierFactoryAndroid;