Remove MessageLoop::current()->RunUntilIdle() in net.

net/quic/quic_stream_factory_test.cc

Index: net/quic/quic_stream_factory_test.cc
diff --git a/net/quic/quic_stream_factory_test.cc b/net/quic/quic_stream_factory_test.cc
index 95a093a9492e775d73993ea5097f7ab691b0a817..030e5df73f212a2e9c312e487e9d363f32bda374 100644
--- a/net/quic/quic_stream_factory_test.cc
+++ b/net/quic/quic_stream_factory_test.cc
@@ -212,14 +212,14 @@ class MockNetworkChangeNotifier : public NetworkChangeNotifier {
     NetworkChangeNotifier::NotifyObserversOfSpecificNetworkChange(
         NetworkChangeNotifier::SOON_TO_DISCONNECT, network);
     // Spin the message loop so the notification is delivered.
-    base::MessageLoop::current()->RunUntilIdle();
+    base::RunLoop().RunUntilIdle();
   }
 
   void NotifyNetworkDisconnected(NetworkChangeNotifier::NetworkHandle network) {
     NetworkChangeNotifier::NotifyObserversOfSpecificNetworkChange(
         NetworkChangeNotifier::DISCONNECTED, network);
     // Spin the message loop so the notification is delivered.
-    base::MessageLoop::current()->RunUntilIdle();
+    base::RunLoop().RunUntilIdle();
   }
 
  private:
@@ -441,7 +441,7 @@ class QuicStreamFactoryTestBase {
   void NotifyIPAddressChanged() {
     NetworkChangeNotifier::NotifyObserversOfIPAddressChangeForTests();
     // Spin the message loop so the notification is delivered.
-    base::MessageLoop::current()->RunUntilIdle();
+    base::RunLoop().RunUntilIdle();
   }
 
   std::unique_ptr<QuicEncryptedPacket> ConstructGetRequestPacket(