Moved element style recalc count and stats to StyleEngine.

third_party/WebKit/Source/core/dom/Document.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 1007 matching lines @@
     void unregisterVisibilityObserver(DocumentVisibilityObserver*);
 
     void updateStyleInvalidationIfNeeded();
 
     bool attemptedToDetermineEncodingFromContentSniffing() const;
     bool encodingWasDetectedFromContentSniffing() const;
 
     DECLARE_VIRTUAL_TRACE();
 
     bool hasSVGFilterElementsRequiringLayerUpdate() const { return m_layerUpdateSVGFilterElements.size(); }
-    void didRecalculateStyleForElement() { ++m_styleRecalcElementCounter; }
 
     AtomicString convertLocalName(const AtomicString&);
 
     void platformColorsChanged();
 
     DOMTimerCoordinator* timers() final;
 
     v8::Local<v8::Object> wrap(v8::Isolate*, v8::Local<v8::Object> creationContext) override;
     v8::Local<v8::Object> associateWithWrapper(v8::Isolate*, const WrapperTypeInfo*, v8::Local<v8::Object> wrapper) override WARN_UNUSED_RETURN;
 
@@ skipping 350 matching lines @@
     WillBeHeapHashSet<RawPtrWillBeMember<SVGUseElement>> m_useElementsNeedingUpdate;
     WillBeHeapHashSet<RawPtrWillBeMember<Element>> m_layerUpdateSVGFilterElements;
 
     DOMTimerCoordinator m_timers;
 
     bool m_hasViewportUnits;
 
     using DocumentVisibilityObserverSet = WillBeHeapHashSet<RawPtrWillBeWeakMember<DocumentVisibilityObserver>>;
     DocumentVisibilityObserverSet m_visibilityObservers;
 
-    int m_styleRecalcElementCounter;
-
     ParserSynchronizationPolicy m_parserSyncPolicy;
 
     OriginsUsingFeatures::Value m_originsUsingFeaturesValue;
 
     ClientHintsPreferences m_clientHintsPreferences;
 
     PersistentWillBeMember<CanvasFontCache> m_canvasFontCache;
 
     PersistentWillBeMember<IntersectionObserverController> m_intersectionObserverController;
     PersistentWillBeMember<NodeIntersectionObserverData> m_intersectionObserverData;
@@ skipping 41 matching lines @@
 DEFINE_TYPE_CASTS(TreeScope, Document, document, true, true);
 
 } // namespace blink
 
 #ifndef NDEBUG
 // Outside the WebCore namespace for ease of invocation from gdb.
 CORE_EXPORT void showLiveDocumentInstances();
 #endif
 
 #endif // Document_h