Change WTF::TemporaryChange to be an alias for AutoReset

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

Index: third_party/WebKit/Source/core/page/PageVisibilityNotifier.cpp
diff --git a/third_party/WebKit/Source/core/page/PageVisibilityNotifier.cpp b/third_party/WebKit/Source/core/page/PageVisibilityNotifier.cpp
index eb04fa716c40093bc5fe4a584cc3a52d465e2439..856fc12f8f79a70974e90b868faeb02694c28c0a 100644
--- a/third_party/WebKit/Source/core/page/PageVisibilityNotifier.cpp
+++ b/third_party/WebKit/Source/core/page/PageVisibilityNotifier.cpp
@@ -32,7 +32,7 @@ namespace blink {
 
 void PageVisibilityNotifier::notifyPageVisibilityChanged()
 {
-    TemporaryChange<IterationState> scope(m_iterationState, AllowingNone);
+    TemporaryChange<IterationState> scope(&m_iterationState, AllowingNone);
     for (PageVisibilityObserver* observer : m_observers)
         observer->pageVisibilityChanged();
 }