Makes migration on write error asynchronous to avoid reentrancy issues

net/quic/chromium/mock_network_change_notifier.h

Index: net/quic/chromium/mock_network_change_notifier.h
diff --git a/net/quic/chromium/mock_network_change_notifier.h b/net/quic/chromium/mock_network_change_notifier.h
index e5316f8944fffeb26750578d7567130759d478f1..844ad673e9d21b5cd9a544413c83140f076df11b 100644
--- a/net/quic/chromium/mock_network_change_notifier.h
+++ b/net/quic/chromium/mock_network_change_notifier.h
@@ -27,8 +27,12 @@ class MockNetworkChangeNotifier : public NetworkChangeNotifier {
 
   void NotifyNetworkMadeDefault(NetworkChangeNotifier::NetworkHandle network);
 
+  void QueueNetworkMadeDefault(NetworkChangeNotifier::NetworkHandle network);

[Ryan Hamilton, 2016/09/10 16:40:34]

Can you add some comments. It's not obvious how this is different from the
previous method. 

[Jana, 2016/09/10 23:08:30]

Done.

+
   void NotifyNetworkDisconnected(NetworkChangeNotifier::NetworkHandle network);
 
+  void QueueNetworkDisconnected(NetworkChangeNotifier::NetworkHandle network);
+
  private:
   bool force_network_handles_supported_;
   NetworkChangeNotifier::NetworkList connected_networks_;