DevTools: Extract CSS resources preloading from css agent to page agent controlled loader.

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 82 matching lines @@
     private:
         ContentSecurityPolicy* m_contentSecurityPolicy;
     };
 
     static CSSStyleRule* asCSSStyleRule(CSSRule*);
 
     static PassOwnPtr<InspectorCSSAgent> create(InspectorDOMAgent* domAgent, InspectorPageAgent* pageAgent, InspectorResourceAgent* resourceAgent)
     {
         return adoptPtr(new InspectorCSSAgent(domAgent, pageAgent, resourceAgent));
     }
+
+    static void collectAllDocumentStyleSheets(Document*, Vector<CSSStyleSheet*>&);
+
     virtual ~InspectorCSSAgent();
 
     bool forcePseudoState(Element*, CSSSelector::PseudoType);
     virtual void setFrontend(InspectorFrontend*) OVERRIDE;
     virtual void clearFrontend() OVERRIDE;
     virtual void discardAgent() OVERRIDE;
     virtual void didCommitLoadForMainFrame() OVERRIDE;
     virtual void restore() OVERRIDE;
     virtual void flushPendingFrontendMessages() OVERRIDE;
     virtual void enable(ErrorString*, PassRefPtr<EnableCallback>) OVERRIDE;
@@ skipping 27 matching lines @@
     bool collectMediaQueriesFromStyleSheet(CSSStyleSheet*, TypeBuilder::Array<TypeBuilder::CSS::CSSMedia>* mediaArray);
     PassRefPtr<TypeBuilder::CSS::CSSMedia> buildMediaObject(const MediaList*, MediaListSource, const String&, CSSStyleSheet*);
     PassRefPtr<TypeBuilder::Array<TypeBuilder::CSS::CSSMedia> > buildMediaListChain(CSSRule*);
 
 private:
     class StyleSheetAction;
     class SetStyleSheetTextAction;
     class SetPropertyTextAction;
     class SetRuleSelectorAction;
     class AddRuleAction;
-    class EnableResourceClient;
+    class InspectorResourceContentLoaderCallback;
+
+    static void collectStyleSheets(CSSStyleSheet*, Vector<CSSStyleSheet*>&);
 
     InspectorCSSAgent(InspectorDOMAgent*, InspectorPageAgent*, InspectorResourceAgent*);
 
     typedef HashMap<String, RefPtr<InspectorStyleSheet> > IdToInspectorStyleSheet;
     typedef HashMap<String, RefPtr<InspectorStyleSheetForInlineStyle> > IdToInspectorStyleSheetForInlineStyle;
     typedef HashMap<Node*, RefPtr<InspectorStyleSheetForInlineStyle> > NodeToInspectorStyleSheet; // bogus "stylesheets" with elements' inline styles
     typedef HashMap<int, unsigned> NodeIdToForcedPseudoState;
 
-    void wasEnabled(PassRefPtr<EnableCallback>);
+    void wasEnabled();
     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 updateActiveStyleSheets(Document*, StyleSheetsUpdateType);
     void setActiveStyleSheets(Document*, const Vector<CSSStyleSheet*>&, StyleSheetsUpdateType);
 
     void collectPlatformFontsForRenderer(RenderText*, HashCountedSet<String>*);
 
     InspectorStyleSheet* bindStyleSheet(CSSStyleSheet*);
     String unbindStyleSheet(InspectorStyleSheet*);
     InspectorStyleSheet* viaInspectorStyleSheet(Document*, bool createIfAbsent);
     InspectorStyleSheet* assertInspectorStyleSheetForId(ErrorString*, const String&);
@@ skipping 34 matching lines @@
     NodeIdToForcedPseudoState m_nodeIdToForcedPseudoState;
 
     RefPtrWillBePersistent<CSSStyleSheet> m_inspectorUserAgentStyleSheet;
 
     int m_lastStyleSheetId;
     int m_styleSheetsPendingMutation;
     bool m_styleDeclarationPendingMutation;
     bool m_creatingViaInspectorStyleSheet;
     bool m_isSettingStyleSheetText;
 
-    friend class EnableResourceClient;
+    friend class InspectorResourceContentLoaderCallback;
     friend class StyleSheetBinder;
 };
 
 
 } // namespace WebCore
 
 #endif // !defined(InspectorCSSAgent_h)