Move preferred stylesheet logic into StyleEngine.

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)
  * Copyright (C) 2011 Google Inc. All rights reserved.
  *
@@ skipping 81 matching lines @@
     void modifiedStyleSheetCandidateNode(Node*);
 
     void injectAuthorSheet(PassRefPtrWillBeRawPtr<StyleSheetContents> authorSheet);
 
     void clearMediaQueryRuleSetStyleSheets();
     void updateStyleSheetsInImport(DocumentStyleSheetCollector& parentCollector);
     void updateActiveStyleSheets(StyleResolverUpdateMode);
 
     String preferredStylesheetSetName() const { return m_preferredStylesheetSetName; }
     String selectedStylesheetSetName() const { return m_selectedStylesheetSetName; }
-    void setPreferredStylesheetSetName(const String& name) { m_preferredStylesheetSetName = name; }
-    void setSelectedStylesheetSetName(const String& name) { m_selectedStylesheetSetName = name; }
-
-    void selectStylesheetSetName(const String& name)
-    {
-        setPreferredStylesheetSetName(name);
-        setSelectedStylesheetSetName(name);
-    }
+    void setPreferredStylesheetSetNameIfNotSet(const String&);
+    void setSelectedStylesheetSetName(const String&);
+    void setHttpDefaultStyle(const String&);
 
     void addPendingSheet();
     void removePendingSheet(Node* styleSheetCandidateNode);
 
     bool hasPendingSheets() const { return m_pendingStylesheets > 0; }
     bool haveStylesheetsLoaded() const { return !hasPendingSheets() || m_ignorePendingStylesheets; }
     bool ignoringPendingStylesheets() const { return m_ignorePendingStylesheets; }
 
     unsigned maxDirectAdjacentSelectors() const { return m_maxDirectAdjacentSelectors; }
     bool usesSiblingRules() const { return m_usesSiblingRules; }
@@ skipping 145 matching lines @@
 
     OwnPtr<StyleResolverStats> m_styleResolverStats;
     unsigned m_styleForElementCount = 0;
 
     friend class StyleEngineTest;
 };
 
 } // namespace blink
 
 #endif