Current work-in-progress crbug.com/567021

third_party/WebKit/Source/core/css/CSSStyleSheet.h

 /*
  * (C) 1999-2003 Lars Knoll (knoll@kde.org)
  * Copyright (C) 2004, 2006, 2007, 2008, 2009, 2010, 2012 Apple Inc. All rights
  * reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
@@ skipping 24 matching lines @@
 class CSSImportRule;
 class CSSRule;
 class CSSRuleList;
 class CSSStyleSheet;
 class Document;
 class ExceptionState;
 class MediaQuerySet;
 class SecurityOrigin;
 class StyleSheetContents;
 
-enum StyleSheetUpdateType { PartialRuleUpdate, EntireStyleSheetUpdate };
-
 class CORE_EXPORT CSSStyleSheet final : public StyleSheet {
   DEFINE_WRAPPERTYPEINFO();
   WTF_MAKE_NONCOPYABLE(CSSStyleSheet);
 
  public:
   static CSSStyleSheet* create(StyleSheetContents*,
                                CSSImportRule* ownerRule = nullptr);
   static CSSStyleSheet* create(StyleSheetContents*, Node& ownerNode);
   static CSSStyleSheet* createInline(
       Node&,
@@ skipping 65 matching lines @@
     explicit RuleMutationScope(CSSStyleSheet*);
     explicit RuleMutationScope(CSSRule*);
     ~RuleMutationScope();
 
    private:
     Member<CSSStyleSheet> m_styleSheet;
   };
 
   void willMutateRules();
   void didMutateRules();
-  void didMutate(StyleSheetUpdateType = PartialRuleUpdate);
+  void didMutate();
 
   StyleSheetContents* contents() const { return m_contents.get(); }
 
   bool isInline() const { return m_isInlineStylesheet; }
   TextPosition startPositionInSource() const { return m_startPosition; }
 
   bool sheetLoaded();
   bool loadCompleted() const { return m_loadCompleted; }
   void startLoadingDynamicSheet();
   void setText(const String&);
@@ skipping 55 matching lines @@
 
 DEFINE_TYPE_CASTS(CSSStyleSheet,
                   StyleSheet,
                   sheet,
                   sheet->isCSSStyleSheet(),
                   sheet.isCSSStyleSheet());
 
 }  // namespace blink
 
 #endif