Change WTF::TemporaryChange to be an alias for AutoReset

third_party/WebKit/Source/platform/LifecycleNotifier.h

 /*
  * Copyright (C) 2008 Apple Inc. All Rights Reserved.
  * Copyright (C) 2013 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:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
@@ skipping 10 matching lines @@
  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  *
  */
 #ifndef LifecycleNotifier_h
 #define LifecycleNotifier_h
 
 #include "platform/heap/Handle.h"
+#include "wtf/AutoReset.h"
 #include "wtf/HashSet.h"
-#include "wtf/TemporaryChange.h"
 
 namespace blink {
 
 template<typename T, typename Observer>
 class LifecycleNotifier : public virtual GarbageCollectedMixin {
 public:
     virtual ~LifecycleNotifier();
 
     void addObserver(Observer*);
     void removeObserver(Observer*);
@@ skipping 44 matching lines @@
 inline LifecycleNotifier<T, Observer>::~LifecycleNotifier()
 {
     // FIXME: Enable the following ASSERT. Also see a FIXME in Document::detach().
     // ASSERT(!m_observers.size());
 }
 
 template<typename T, typename Observer>
 inline void LifecycleNotifier<T, Observer>::notifyContextDestroyed()
 {
     // Observer unregistration is allowed, but effectively a no-op.
-    TemporaryChange<IterationState> scope(m_iterationState, AllowingRemoval);
+    AutoReset<IterationState> scope(&m_iterationState, AllowingRemoval);
     ObserverSet observers;
     m_observers.swap(observers);
     for (Observer* observer : observers) {
         ASSERT(observer->lifecycleContext() == context());
         observer->contextDestroyed();
     }
 }
 
 template<typename T, typename Observer>
 inline void LifecycleNotifier<T, Observer>::addObserver(Observer* observer)
@@ skipping 23 matching lines @@
         // the table is likely to become garbage soon.
         ThreadState::NoAllocationScope scope(ThreadState::current());
         observers.removeAll(m_observers);
     }
     m_observers.swap(observers);
 }
 
 } // namespace blink
 
 #endif // LifecycleNotifier_h