Current work-in-progress crbug.com/567021

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 158 matching lines @@
 class VisualViewport;
 class WebGLRenderingContext;
 enum class SelectionBehaviorOnFocus;
 struct AnnotatedRegionValue;
 struct FocusParams;
 struct IconURL;
 
 using MouseEventWithHitTestResults = EventWithHitTestResults<PlatformMouseEvent>;
 using ExceptionCode = int;
 
-enum StyleResolverUpdateMode {
-    // Discards the StyleResolver and rebuilds it.
-    FullStyleUpdate,
-    // Attempts to use StyleInvalidationAnalysis to avoid discarding the entire StyleResolver.
-    AnalyzedStyleUpdate
-};
-
 enum NodeListInvalidationType {
     DoNotInvalidateOnAttributeChanges = 0,
     InvalidateOnClassAttrChange,
     InvalidateOnIdNameAttrChange,
     InvalidateOnNameAttrChange,
     InvalidateOnForAttrChange,
     InvalidateForFormControls,
     InvalidateOnHRefAttrChange,
     InvalidateOnAnyAttrChange,
 };
@@ skipping 823 matching lines @@
         HttpRefreshFromMetaTag
     };
     void maybeHandleHttpRefresh(const String&, HttpRefreshType);
 
     void updateSecurityOrigin(PassRefPtr<SecurityOrigin>);
 
     void setHasViewportUnits() { m_hasViewportUnits = true; }
     bool hasViewportUnits() const { return m_hasViewportUnits; }
     void notifyResizeForViewportUnits();
 
-    void updateStyleInvalidationIfNeeded();
-
     DECLARE_VIRTUAL_TRACE();
 
     DECLARE_VIRTUAL_TRACE_WRAPPERS();
 
     bool hasSVGFilterElementsRequiringLayerUpdate() const { return m_layerUpdateSVGFilterElements.size(); }
 
     AtomicString convertLocalName(const AtomicString&);
 
     void platformColorsChanged();
 
@@ skipping 82 matching lines @@
 
     bool needsFullLayoutTreeUpdate() const;
 
     void inheritHtmlAndBodyElementStyles(StyleRecalcChange);
 
     bool dirtyElementsForLayerUpdate();
 
     void updateUseShadowTreesIfNeeded();
     void evaluateMediaQueryListIfNeeded();
 
+    void updateStyleInvalidation();
     void updateStyle();
     void notifyLayoutTreeOfSubtreeChanges();
 
     void detachParser();
 
     void beginLifecycleUpdatesIfRenderingReady();
 
     bool isDocument() const final { return true; }
 
     void childrenChanged(const ChildrenChange&) override;
@@ skipping 311 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