Update from chromium https://crrev.com/301725/

net/android/java/src/org/chromium/net/NetworkChangeNotifierAutoDetect.java

Index: net/android/java/src/org/chromium/net/NetworkChangeNotifierAutoDetect.java
diff --git a/net/android/java/src/org/chromium/net/NetworkChangeNotifierAutoDetect.java b/net/android/java/src/org/chromium/net/NetworkChangeNotifierAutoDetect.java
index 5a46a6c2d3489e4cfe00d02c5dcad22febaa21e9..1e72da91d8fbe013d616e16e985c926fedb30486 100644
--- a/net/android/java/src/org/chromium/net/NetworkChangeNotifierAutoDetect.java
+++ b/net/android/java/src/org/chromium/net/NetworkChangeNotifierAutoDetect.java
@@ -101,14 +101,24 @@ public class NetworkChangeNotifierAutoDetect extends BroadcastReceiver
         public void onConnectionTypeChanged(int newConnectionType);
     }
 
-    public NetworkChangeNotifierAutoDetect(Observer observer, Context context) {
+    /**
+     * Constructs a NetworkChangeNotifierAutoDetect.
+     * @param alwaysWatchForChanges If true, always watch for network changes.
+     *    Otherwise, only watch if app is in foreground.
+     */
+    public NetworkChangeNotifierAutoDetect(Observer observer, Context context,
+            boolean alwaysWatchForChanges) {
         mObserver = observer;
         mContext = context.getApplicationContext();
         mConnectivityManagerDelegate = new ConnectivityManagerDelegate(context);
         mWifiManagerDelegate = new WifiManagerDelegate(context);
         mConnectionType = getCurrentConnectionType();
         mWifiSSID = getCurrentWifiSSID();
-        ApplicationStatus.registerApplicationStateListener(this);
+        if (alwaysWatchForChanges) {
+            registerReceiver();
+        } else {
+            ApplicationStatus.registerApplicationStateListener(this);
+        }
     }
 
     /**