Fix potential threading issues in NetworkChangeNotifierAndroid.

net/android/network_change_notifier_android_unittest.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "net/android/network_change_notifier_android.h"
 
 #include "base/message_loop.h"
 #include "net/android/network_change_notifier_factory_android.h"
 #include "net/base/network_change_notifier.h"
 #include "testing/gtest/include/gtest/gtest.h"
@@ skipping 41 matching lines @@
   void ForceConnectivityState(bool state) {
     notifier_->ForceConnectivityState(state);
   }
 
   const TestConnectionTypeObserver* observer() const {
     return connection_type_observer_.get();
   }
 
  protected:
   virtual void SetUp() {
-    notifier_.reset(new NetworkChangeNotifierAndroid());
+    notifier_.reset(
+        new NetworkChangeNotifierAndroid(
+            MessageLoop::current()->message_loop_proxy()));
     connection_type_observer_.reset(new TestConnectionTypeObserver());
     NetworkChangeNotifier::AddConnectionTypeObserver(
         connection_type_observer_.get());
   }
 
  private:
   NetworkChangeNotifier::DisableForTest disable_for_test_;
   scoped_ptr<NetworkChangeNotifierAndroid> notifier_;
   scoped_ptr<TestConnectionTypeObserver> connection_type_observer_;
 };
@@ skipping 22 matching lines @@
 
   ForceConnectivityState(true);
   MessageLoop::current()->RunAllPending();
 
   EXPECT_EQ(2, observer()->times_connection_type_has_been_changed());
   EXPECT_EQ(NetworkChangeNotifier::CONNECTION_UNKNOWN,
       observer()->current_connection());
 }
 
 }  // namespace net