Change WTF::TemporaryChange to be an alias for AutoReset

third_party/WebKit/Source/core/dom/StyleEngine.h

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  *           (C) 2006 Alexey Proskuryakov (ap@webkit.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2012 Apple Inc. All rights reserved.
  * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies)
  * Copyright (C) 2011 Google Inc. All rights reserved.
  *
@@ skipping 21 matching lines @@
 #include "core/css/CSSFontSelectorClient.h"
 #include "core/css/invalidation/StyleInvalidator.h"
 #include "core/css/resolver/StyleResolver.h"
 #include "core/css/resolver/StyleResolverStats.h"
 #include "core/dom/Document.h"
 #include "core/dom/DocumentOrderedList.h"
 #include "core/dom/DocumentStyleSheetCollection.h"
 #include "core/dom/StyleEngineContext.h"
 #include "platform/heap/Handle.h"
 #include "wtf/Allocator.h"
+#include "wtf/AutoReset.h"
 #include "wtf/ListHashSet.h"
-#include "wtf/TemporaryChange.h"
 #include "wtf/Vector.h"
 #include "wtf/text/WTFString.h"
 #include <memory>
 
 namespace blink {
 
 class CSSFontSelector;
 class CSSStyleSheet;
 class Node;
 class RuleFeatureSet;
 class ShadowTreeStyleSheetCollection;
 class StyleRuleFontFace;
 class StyleSheet;
 class StyleSheetContents;
 
 class CORE_EXPORT StyleEngine final : public GarbageCollectedFinalized<StyleEngine>, public CSSFontSelectorClient  {
     USING_GARBAGE_COLLECTED_MIXIN(StyleEngine);
 public:
 
-    class IgnoringPendingStylesheet : public TemporaryChange<bool> {
+    class IgnoringPendingStylesheet {
         DISALLOW_NEW();
     public:
         IgnoringPendingStylesheet(StyleEngine& engine)
-            : TemporaryChange<bool>(engine.m_ignorePendingStylesheets, true)
+            : m_scope(&engine.m_ignorePendingStylesheets, true)
         {
         }
+    private:
+        AutoReset<bool> m_scope;
     };
 
     friend class IgnoringPendingStylesheet;
 
     static StyleEngine* create(Document& document) { return new StyleEngine(document); }
 
     ~StyleEngine();
 
     const HeapVector<Member<StyleSheet>>& styleSheetsForStyleSheetList(TreeScope&);
 
@@ skipping 190 matching lines @@
 
     std::unique_ptr<StyleResolverStats> m_styleResolverStats;
     unsigned m_styleForElementCount = 0;
 
     friend class StyleEngineTest;
 };
 
 } // namespace blink
 
 #endif