Introduce markAllTreeScopesDirty.

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)
@@ skipping 106 matching lines @@
   CSSStyleSheet& ensureInspectorStyleSheet();
   RuleSet* watchedSelectorsRuleSet() {
     return m_globalRuleSet.watchedSelectorsRuleSet();
   }
 
   RuleSet* ruleSetForSheet(CSSStyleSheet&);
   void mediaQueryAffectingValueChanged();
   void updateStyleSheetsInImport(DocumentStyleSheetCollector& parentCollector);
   void updateActiveStyleSheets(StyleResolverUpdateMode);
   void updateActiveStyle();
+  void markAllTreeScopesDirty() { m_allTreeScopesDirty = true; }
 
   enum ActiveSheetsUpdate { DontUpdateActiveSheets, UpdateActiveSheets };
   String preferredStylesheetSetName() const {
     return m_preferredStylesheetSetName;
   }
   String selectedStylesheetSetName() const {
     return m_selectedStylesheetSetName;
   }
   void setPreferredStylesheetSetNameIfNotSet(const String&, ActiveSheetsUpdate);
   void setSelectedStylesheetSetName(const String&);
@@ skipping 129 matching lines @@
 
   DECLARE_VIRTUAL_TRACE();
   DECLARE_TRACE_WRAPPERS();
 
  private:
   // CSSFontSelectorClient implementation.
   void fontsNeedUpdate(CSSFontSelector*) override;
 
  private:
   StyleEngine(Document&);
+  bool needsActiveStyleSheetUpdate() const {
+    return m_allTreeScopesDirty || m_documentScopeDirty ||
+           m_dirtyTreeScopes.size();
+  }
 
   TreeScopeStyleSheetCollection* ensureStyleSheetCollectionFor(TreeScope&);
   TreeScopeStyleSheetCollection* styleSheetCollectionFor(TreeScope&);
-  bool shouldUpdateDocumentStyleSheetCollection(StyleResolverUpdateMode) const;
-  bool shouldUpdateShadowTreeStyleSheetCollection(
-      StyleResolverUpdateMode) const;
+  bool shouldUpdateDocumentStyleSheetCollection() const;
+  bool shouldUpdateShadowTreeStyleSheetCollection() const;
 
   void markDocumentDirty();
   void markTreeScopeDirty(TreeScope&);
 
   bool isMaster() const { return m_isMaster; }
   Document* master();
   Document& document() const { return *m_document; }
 
   typedef HeapHashSet<Member<TreeScope>> UnorderedTreeScopeSet;
 
@@ skipping 52 matching lines @@
       m_documentStyleSheetCollection;
 
   Member<StyleRuleUsageTracker> m_tracker;
 
   typedef HeapHashMap<WeakMember<TreeScope>,
                       Member<ShadowTreeStyleSheetCollection>>
       StyleSheetCollectionMap;
   StyleSheetCollectionMap m_styleSheetCollectionMap;
 
   bool m_documentScopeDirty = true;
+  bool m_allTreeScopesDirty = false;
   UnorderedTreeScopeSet m_dirtyTreeScopes;
   UnorderedTreeScopeSet m_activeTreeScopes;
   DocumentOrderedList m_treeBoundaryCrossingScopes;
 
   String m_preferredStylesheetSetName;
   String m_selectedStylesheetSetName;
 
   CSSGlobalRuleSet m_globalRuleSet;
 
   bool m_usesRemUnits = false;
@@ skipping 12 matching lines @@
 
   std::unique_ptr<StyleResolverStats> m_styleResolverStats;
   unsigned m_styleForElementCount = 0;
 
   friend class StyleEngineTest;
 };
 
 }  // namespace blink
 
 #endif