DevTools: defer styles delta calculation to until the end of the task.

Source/core/inspector/InspectorCSSAgent.h

 /*
  * Copyright (C) 2010, Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
  *     notice, this list of conditions and the following disclaimer in the
@@ skipping 99 matching lines @@
     virtual void restore() OVERRIDE;
     virtual void enable(ErrorString*, PassRefPtr<EnableCallback>) OVERRIDE;
     virtual void disable(ErrorString*) OVERRIDE;
     void reset();
     void didCommitLoad(LocalFrame*, DocumentLoader*);
     void mediaQueryResultChanged();
     void willMutateRules();
     void didMutateRules(CSSStyleSheet*);
     void willMutateStyle();
     void didMutateStyle(CSSStyleDeclaration*, bool);
+    void didProcessTask();
 
-public:
     void activeStyleSheetsUpdated(Document*);
+    void documentDisposed(Document*);
     void frameDetachedFromParent(LocalFrame*);
 
     virtual void getComputedStyleForNode(ErrorString*, int nodeId, RefPtr<TypeBuilder::Array<TypeBuilder::CSS::CSSComputedStyleProperty> >&) OVERRIDE;
     virtual void getPlatformFontsForNode(ErrorString*, int nodeId, String* cssFamilyName, RefPtr<TypeBuilder::Array<TypeBuilder::CSS::PlatformFontUsage> >&) OVERRIDE;
     virtual void getInlineStylesForNode(ErrorString*, int nodeId, RefPtr<TypeBuilder::CSS::CSSStyle>& inlineStyle, RefPtr<TypeBuilder::CSS::CSSStyle>& attributes) OVERRIDE;
     virtual void getMatchedStylesForNode(ErrorString*, int nodeId, const bool* includePseudo, const bool* includeInherited, RefPtr<TypeBuilder::Array<TypeBuilder::CSS::RuleMatch> >& matchedCSSRules, RefPtr<TypeBuilder::Array<TypeBuilder::CSS::PseudoIdMatches> >&, RefPtr<TypeBuilder::Array<TypeBuilder::CSS::InheritedStyleEntry> >& inheritedEntries) OVERRIDE;
     virtual void getStyleSheetText(ErrorString*, const String& styleSheetId, String* result) OVERRIDE;
     virtual void setStyleSheetText(ErrorString*, const String& styleSheetId, const String& text) OVERRIDE;
     virtual void setPropertyText(ErrorString*, const RefPtr<JSONObject>& styleId, int propertyIndex, const String& text, bool overwrite, RefPtr<TypeBuilder::CSS::CSSStyle>& result) OVERRIDE;
     virtual void setRuleSelector(ErrorString*, const RefPtr<JSONObject>& ruleId, const String& selector, RefPtr<TypeBuilder::CSS::CSSRule>& result) OVERRIDE;
@@ skipping 19 matching lines @@
     typedef HashMap<int, unsigned> NodeIdToForcedPseudoState;
 
     void wasEnabled(PassRefPtr<EnableCallback>);
     void resetNonPersistentData();
     InspectorStyleSheetForInlineStyle* asInspectorStyleSheet(Element* element);
     Element* elementForId(ErrorString*, int nodeId);
     void collectAllStyleSheets(Vector<InspectorStyleSheet*>&);
     void collectAllDocumentStyleSheets(Document*, Vector<CSSStyleSheet*>&);
     void collectStyleSheets(CSSStyleSheet*, Vector<CSSStyleSheet*>&);
 
-    void updateActiveStyleSheetsForDocument(Document*, StyleSheetsUpdateType);
-    void updateActiveStyleSheets(LocalFrame*, const Vector<CSSStyleSheet*>&, StyleSheetsUpdateType);
+    void updateActiveStyleSheets(Document*, StyleSheetsUpdateType);
+    void setActiveStyleSheets(Document*, const Vector<CSSStyleSheet*>&, StyleSheetsUpdateType);
+    void validateFrontendStylesheets();
 
     void collectPlatformFontsForRenderer(RenderText*, HashCountedSet<String>*);
 
     InspectorStyleSheet* bindStyleSheet(CSSStyleSheet*);
     String unbindStyleSheet(InspectorStyleSheet*);
     InspectorStyleSheet* viaInspectorStyleSheet(Document*, bool createIfAbsent);
     InspectorStyleSheet* assertStyleSheetForId(ErrorString*, const String&);
     TypeBuilder::CSS::StyleSheetOrigin::Enum detectOrigin(CSSStyleSheet* pageStyleSheet, Document* ownerDocument);
     bool styleSheetEditInProgress() const { return m_styleSheetsPendingMutation || m_styleDeclarationPendingMutation || m_isSettingStyleSheetText; }
 
@@ skipping 13 matching lines @@
 
     void resetPseudoStates();
 
     InspectorFrontend::CSS* m_frontend;
     InspectorDOMAgent* m_domAgent;
     InspectorPageAgent* m_pageAgent;
     InspectorResourceAgent* m_resourceAgent;
 
     IdToInspectorStyleSheet m_idToInspectorStyleSheet;
     HashMap<CSSStyleSheet*, RefPtr<InspectorStyleSheet> > m_cssStyleSheetToInspectorStyleSheet;
-    HashMap<LocalFrame*, OwnPtr<HashSet<CSSStyleSheet*> > > m_frameToCSSStyleSheets;
+    typedef HashMap<Document*, OwnPtr<HashSet<CSSStyleSheet*> > > DocumentStyleSheets;
+    DocumentStyleSheets m_documentToCSSStyleSheets;
+    HashSet<Document*> m_invalidatedDocuments;
 
     NodeToInspectorStyleSheet m_nodeToInspectorStyleSheet;
     HashMap<RefPtr<Document>, RefPtr<InspectorStyleSheet> > m_documentToViaInspectorStyleSheet; // "via inspector" stylesheets
     NodeIdToForcedPseudoState m_nodeIdToForcedPseudoState;
 
     RefPtr<CSSStyleSheet> m_inspectorUserAgentStyleSheet;
 
     int m_lastStyleSheetId;
     int m_styleSheetsPendingMutation;
     bool m_styleDeclarationPendingMutation;
     bool m_creatingViaInspectorStyleSheet;
     bool m_isSettingStyleSheetText;
 
     friend class EnableResourceClient;
     friend class StyleSheetBinder;
 };
 
 
 } // namespace WebCore
 
 #endif // !defined(InspectorCSSAgent_h)