Add thread affinity and ASSERT() for same-thread restriction to WTF::Function

third_party/WebKit/Source/core/page/NetworkStateNotifierTest.cpp

 /*
  * Copyright (c) 2014, Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 62 matching lines @@
     double observedMaxBandwidth() const
     {
         return m_observedMaxBandwidthMbps;
     }
 
     int callbackCount() const
     {
         return m_callbackCount;
     }
 
-    void setNotificationCallback(PassOwnPtr<Closure> closure)
+    void setNotificationCallback(PassOwnPtr<SameThreadClosure> closure)
     {
         m_closure = closure;
     }
 
 private:
-    OwnPtr<Closure> m_closure;
+    OwnPtr<SameThreadClosure> m_closure;
     WebConnectionType m_observedType;
     double m_observedMaxBandwidthMbps;
     int m_callbackCount;
 };
 
 class NetworkStateNotifierTest : public ::testing::Test {
 public:
     NetworkStateNotifierTest()
         : m_document(Document::create())
         , m_document2(Document::create())
@@ skipping 172 matching lines @@
     m_notifier.addObserver(&observer2, executionContext2());
     m_notifier.removeObserver(&observer1, executionContext());
     m_notifier.removeObserver(&observer2, executionContext2());
 
     setConnection(WebConnectionTypeBluetooth, kBluetoothMaxBandwidthMbps);
     EXPECT_TRUE(verifyObservations(observer1, WebConnectionTypeNone, kNoneMaxBandwidthMbps));
     EXPECT_TRUE(verifyObservations(observer2, WebConnectionTypeNone, kNoneMaxBandwidthMbps));
 }
 
 } // namespace blink