Remove dead methods from CSSStyleSheet and StyleSheetContents.

sky/engine/core/css/RuleSet.h

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. 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.
  *
  * This library is distributed in the hope that it will be useful,
@@ skipping 78 matching lines @@
 
     const TerminatedArray<RuleData>* idRules(const AtomicString& key) const { ASSERT(!m_pendingRules); return m_idRules.get(key); }
     const TerminatedArray<RuleData>* classRules(const AtomicString& key) const { ASSERT(!m_pendingRules); return m_classRules.get(key); }
     const TerminatedArray<RuleData>* tagRules(const AtomicString& key) const { ASSERT(!m_pendingRules); return m_tagRules.get(key); }
     const TerminatedArray<RuleData>* shadowPseudoElementRules(const AtomicString& key) const { ASSERT(!m_pendingRules); return m_shadowPseudoElementRules.get(key); }
     const Vector<RuleData>* universalRules() const { ASSERT(!m_pendingRules); return &m_universalRules; }
     const Vector<RawPtr<StyleRuleFontFace> >& fontFaceRules() const { return m_fontFaceRules; }
     const Vector<RawPtr<StyleRuleKeyframes> >& keyframesRules() const { return m_keyframesRules; }
     const MediaQueryResultList& viewportDependentMediaQueryResults() const { return m_viewportDependentMediaQueryResults; }
 
-    unsigned ruleCount() const { return m_ruleCount; }
-
     void compactRulesIfNeeded()
     {
         if (!m_pendingRules)
             return;
         compactRules();
     }
 
 #ifndef NDEBUG
     void show();
 #endif
@@ skipping 54 matching lines @@
 #ifndef NDEBUG
     Vector<RuleData> m_allRules;
 #endif
 };
 
 } // namespace blink
 
 WTF_ALLOW_MOVE_AND_INIT_WITH_MEM_FUNCTIONS(blink::RuleData);
 
 #endif  // SKY_ENGINE_CORE_CSS_RULESET_H_