CSSParser should return ImmutableStylePropertySets.

Source/core/css/CSSParser.h

 /*
  * Copyright (C) 2003 Lars Knoll (knoll@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2008, 2009, 2010 Apple Inc. All rights reserved.
  * Copyright (C) 2008 Eric Seidel <eric@webkit.org>
  * Copyright (C) 2009 - 2010  Torch Mobile (Beijing) Co. Ltd. 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 34 matching lines @@
 
 class AnimationParseContext;
 class CSSBorderImageSliceValue;
 class CSSPrimitiveValue;
 class CSSSelectorList;
 class CSSValue;
 class CSSValueList;
 class CSSBasicShape;
 class Document;
 class Element;
+class ImmutableStylePropertySet;
 class MediaQueryExp;
 class MediaQuerySet;
 class StyleKeyframe;
 class StylePropertySet;
 class StylePropertyShorthand;
 class StyleRuleBase;
 class StyleRuleKeyframes;
 class StyleKeyframe;
 class StyleSheetContents;
 class StyledElement;
@@ skipping 26 matching lines @@
     void parseSheet(StyleSheetContents*, const String&, int startLineNumber = 0, SourceDataHandler* = 0, bool = false);
     PassRefPtr<StyleRuleBase> parseRule(StyleSheetContents*, const String&);
     PassRefPtr<StyleKeyframe> parseKeyframeRule(StyleSheetContents*, const String&);
     bool parseSupportsCondition(const String&);
     static bool parseValue(StylePropertySet*, CSSPropertyID, const String&, bool important, CSSParserMode, StyleSheetContents*);
     static bool parseColor(RGBA32& color, const String&, bool strict = false);
     static bool parseSystemColor(RGBA32& color, const String&, Document*);
     static PassRefPtr<CSSValueList> parseFontFaceValue(const AtomicString&);
     PassRefPtr<CSSPrimitiveValue> parseValidPrimitive(int ident, CSSParserValue*);
     bool parseDeclaration(StylePropertySet*, const String&, SourceDataHandler*, StyleSheetContents* contextStyleSheet);
-    static PassRefPtr<StylePropertySet> parseInlineStyleDeclaration(const String&, Element*);
+    static PassRefPtr<ImmutableStylePropertySet> parseInlineStyleDeclaration(const String&, Element*);
     PassOwnPtr<MediaQuery> parseMediaQuery(const String&);
 
     void addPropertyWithPrefixingVariant(CSSPropertyID, PassRefPtr<CSSValue>, bool important, bool implicit = false);
     void addProperty(CSSPropertyID, PassRefPtr<CSSValue>, bool important, bool implicit = false);
     void rollbackLastProperties(int num);
     bool hasProperties() const { return !m_parsedProperties.isEmpty(); }
     void addExpandedPropertyForValue(CSSPropertyID propId, PassRefPtr<CSSValue>, bool);
     void setCurrentProperty(CSSPropertyID);
 
     bool parseValue(CSSPropertyID, bool important);
@@ skipping 225 matching lines @@
     Vector<OwnPtr<CSSParserSelector> >* reusableSelectorVector() { return &m_reusableSelectorVector; }
 
     void setReusableRegionSelectorVector(Vector<OwnPtr<CSSParserSelector> >* selectors);
     Vector<OwnPtr<CSSParserSelector> >* reusableRegionSelectorVector() { return &m_reusableRegionSelectorVector; }
 
     void updateLastSelectorLineAndPosition();
     void updateLastMediaLine(MediaQuerySet*);
 
     void clearProperties();
 
-    PassRefPtr<StylePropertySet> createStylePropertySet();
+    PassRefPtr<ImmutableStylePropertySet> createStylePropertySet();
 
     CSSParserContext m_context;
 
     bool m_important;
     CSSPropertyID m_id;
     StyleSheetContents* m_styleSheet;
     RefPtr<StyleRuleBase> m_rule;
     RefPtr<StyleKeyframe> m_keyframe;
     OwnPtr<MediaQuery> m_mediaQuery;
     OwnPtr<CSSParserValueList> m_valueList;
@@ skipping 166 matching lines @@
     bool inShorthand() const { return m_inParseShorthand; }
 
     bool validWidthOrHeight(CSSParserValue*);
 
     void deleteFontFaceOnlyValues();
 
     bool isGeneratedImageValue(CSSParserValue*) const;
     bool parseGeneratedImage(CSSParserValueList*, RefPtr<CSSValue>&);
 
     bool parseValue(StylePropertySet*, CSSPropertyID, const String&, bool important, StyleSheetContents* contextStyleSheet);
-    PassRefPtr<StylePropertySet> parseDeclaration(const String&, StyleSheetContents* contextStyleSheet);
+    PassRefPtr<ImmutableStylePropertySet> parseDeclaration(const String&, StyleSheetContents* contextStyleSheet);
 
     enum SizeParameterType {
         None,
         Auto,
         Length,
         PageSize,
         Orientation,
     };
 
     bool parsePage(CSSPropertyID propId, bool important);
@@ skipping 191 matching lines @@
 }
 
 inline int cssyylex(void* yylval, CSSParser* parser)
 {
     return parser->lex(yylval);
 }
 
 } // namespace WebCore
 
 #endif // CSSParser_h