Remove some unused functions in core

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 83 matching lines @@
     CSSParserSelector* createFloatingSelectorWithTagName(const QualifiedName&);
     PassOwnPtr<CSSParserSelector> sinkFloatingSelector(CSSParserSelector*);
 
     Vector<OwnPtr<CSSParserSelector> >* createFloatingSelectorVector();
     PassOwnPtr<Vector<OwnPtr<CSSParserSelector> > > sinkFloatingSelectorVector(Vector<OwnPtr<CSSParserSelector> >*);
 
     CSSParserValueList* createFloatingValueList();
     PassOwnPtr<CSSParserValueList> sinkFloatingValueList(CSSParserValueList*);
 
     CSSParserFunction* createFloatingFunction(const CSSParserString& name, PassOwnPtr<CSSParserValueList> args);
-    PassOwnPtr<CSSParserFunction> sinkFloatingFunction(CSSParserFunction*);
 
     CSSParserValue& sinkFloatingValue(CSSParserValue&);
 
     MediaQuerySet* createMediaQuerySet();
     StyleRuleBase* createImportRule(const CSSParserString&, MediaQuerySet*);
     StyleRuleKeyframe* createKeyframe(CSSParserValueList*);
     StyleRuleKeyframes* createKeyframesRule(const String&, PassOwnPtrWillBeRawPtr<WillBeHeapVector<RefPtrWillBeMember<StyleRuleKeyframe> > >, bool isPrefixed);
 
     typedef WillBeHeapVector<RefPtrWillBeMember<StyleRuleBase> > RuleList;
     StyleRuleBase* createMediaRule(MediaQuerySet*, RuleList*);
@@ skipping 168 matching lines @@
     OwnPtrWillBeMember<MediaQuery> m_floatingMediaQuery;
     OwnPtrWillBeMember<MediaQueryExp> m_floatingMediaQueryExp;
     OwnPtrWillBeMember<WillBeHeapVector<OwnPtrWillBeMember<MediaQueryExp> > > m_floatingMediaQueryExpList;
 
     OwnPtrWillBeMember<WillBeHeapVector<RefPtrWillBeMember<StyleRuleKeyframe> > > m_floatingKeyframeVector;
 
     Vector<OwnPtr<CSSParserSelector> > m_reusableSelectorVector;
 
     OwnPtrWillBeMember<RuleSourceDataList> m_supportsRuleDataStack;
 
-    bool isLoggingErrors();
-    void logError(const String& message, const CSSParserLocation&);
-
     BisonCSSTokenizer m_tokenizer;
 
     friend class TransformOperationInfo;
     friend class FilterOperationInfo;
 };
 
 inline int cssyylex(void* yylval, BisonCSSParser* parser)
 {
     return parser->m_tokenizer.lex(yylval);
 }
 
 bool isValidNthToken(const CSSParserString&);
 
 } // namespace blink
 
 #endif // BisonCSSParser_h