Make CSSRuleSourceData use the CSSRule Type enum

Source/core/css/parser/BisonCSSParser.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 167 matching lines @@
     bool m_ignoreErrors;
 
     AtomicString m_defaultNamespace;
 
     // tokenizer methods and data
     CSSParserObserver* m_observer;
 
     // Local functions which just call into CSSParserObserver if non-null.
     void startRule();
     void endRule(bool valid);
-    void startRuleHeader(CSSRuleSourceData::Type);
+    void startRuleHeader(StyleRule::Type);
     void endRuleHeader();
     void startSelector();
     void endSelector();
     void startRuleBody();
     void startProperty();
     void endProperty(bool isImportantFound, bool isPropertyParsed, CSSParserError = NoCSSError);
 
     void endInvalidRuleHeader();
     void reportError(const CSSParserLocation&, CSSParserError = GeneralCSSError);
     void resumeErrorLogging() { m_ignoreErrors = false; }
@@ skipping 47 matching lines @@
     {
         setupParser(prefix, prefixLength - 1, string, suffix, suffixLength - 1);
     }
     void setupParser(const char* prefix, unsigned prefixLength, const String&, const char* suffix, unsigned suffixLength);
 
     bool parseValue(MutableStylePropertySet*, CSSPropertyID, const String&, bool important);
     PassRefPtrWillBeRawPtr<ImmutableStylePropertySet> parseDeclaration(const String&, StyleSheetContents* contextStyleSheet);
 
     const String* m_source;
     TextPosition m_startPosition;
-    CSSRuleSourceData::Type m_ruleHeaderType;
+    StyleRule::Type m_ruleHeaderType;
     unsigned m_ruleHeaderStartOffset;
     int m_ruleHeaderStartLineNumber;
     OwnPtr<Vector<unsigned> > m_lineEndings;
 
     bool m_ruleHasHeader;
 
     bool m_allowImportRules;
     bool m_allowNamespaceDeclarations;
 
     bool m_inViewport;
@@ skipping 27 matching lines @@
 inline int cssyylex(void* yylval, BisonCSSParser* parser)
 {
     return parser->m_tokenizer.lex(yylval);
 }
 
 bool isValidNthToken(const CSSParserString&);
 
 } // namespace blink
 
 #endif // BisonCSSParser_h