Enable support for CSS Conditional Rules

Source/core/css/StyleRule.h

 /*
  * (C) 1999-2003 Lars Knoll (knoll@kde.org)
  * (C) 2002-2003 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2002, 2006, 2008, 2012 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.
  *
@@ skipping 28 matching lines @@
     enum Type {
         Unknown, // Not used.
         Style,
         Charset, // Not used. These are internally strings owned by the style sheet.
         Import,
         Media,
         FontFace,
         Page,
         Keyframes,
         Keyframe, // Not used. These are internally non-rule StyleKeyframe objects.
-#if ENABLE(CSS3_CONDITIONAL_RULES)
         Supports = 12,
-#endif
 #if ENABLE(CSS_DEVICE_ADAPTATION)
         Viewport = 15,
 #endif
         Region = 16,
         Filter = 17,
         HostInternal = 18, // Spec says Host = 1001, but we can use only 5 bit for type().
     };
 
     Type type() const { return static_cast<Type>(m_type); }
     
     bool isCharsetRule() const { return type() == Charset; }
     bool isFontFaceRule() const { return type() == FontFace; }
     bool isKeyframesRule() const { return type() == Keyframes; }
     bool isMediaRule() const { return type() == Media; }
     bool isPageRule() const { return type() == Page; }
     bool isStyleRule() const { return type() == Style; }
     bool isRegionRule() const { return type() == Region; }
-#if ENABLE(CSS3_CONDITIONAL_RULES)
     bool isSupportsRule() const { return type() == Supports; }
-#endif
 #if ENABLE(CSS_DEVICE_ADAPTATION)
     bool isViewportRule() const { return type() == Viewport; }
 #endif
     bool isImportRule() const { return type() == Import; }
     bool isHostRule() const { return type() == HostInternal; }
     bool isFilterRule() const { return type() == Filter; }
 
     PassRefPtr<StyleRuleBase> copy() const;
 
     int sourceLine() const { return m_sourceLine; }
@@ skipping 131 matching lines @@
 
     void reportDescendantMemoryUsage(MemoryObjectInfo*) const;
 
 private:
     StyleRuleMedia(PassRefPtr<MediaQuerySet>, Vector<RefPtr<StyleRuleBase> >& adoptRules);
     StyleRuleMedia(const StyleRuleMedia&);
 
     RefPtr<MediaQuerySet> m_mediaQueries;
 };
 
-#if ENABLE(CSS3_CONDITIONAL_RULES)
 class StyleRuleSupports : public StyleRuleGroup {
 public:
     static PassRefPtr<StyleRuleSupports> create(const String& conditionText, bool conditionIsSupported, Vector<RefPtr<StyleRuleBase> >& adoptRules)
     {
         return adoptRef(new StyleRuleSupports(conditionText, conditionIsSupported, adoptRules));
     }
 
     String conditionText() const { return m_conditionText; }
     bool conditionIsSupported() const { return m_conditionIsSupported; }
     PassRefPtr<StyleRuleSupports> copy() const { return adoptRef(new StyleRuleSupports(*this)); }
 
 private:
     StyleRuleSupports(const String& conditionText, bool conditionIsSupported, Vector<RefPtr<StyleRuleBase> >& adoptRules);
     StyleRuleSupports(const StyleRuleSupports&);
 
     String m_conditionText;
     bool m_conditionIsSupported;
 };
-#endif
 
 class StyleRuleRegion : public StyleRuleGroup {
 public:
     static PassRefPtr<StyleRuleRegion> create(Vector<OwnPtr<CSSParserSelector> >* selectors, Vector<RefPtr<StyleRuleBase> >& adoptRules)
     {
         return adoptRef(new StyleRuleRegion(selectors, adoptRules));
     }
 
     const CSSSelectorList& selectorList() const { return m_selectorList; }
 
@@ skipping 45 matching lines @@
     RefPtr<StylePropertySet> m_properties;
 };
 #endif // ENABLE(CSS_DEVICE_ADAPTATION)
 
 inline const StyleRuleMedia* toStyleRuleMedia(const StyleRuleGroup* rule)
 {
     ASSERT_WITH_SECURITY_IMPLICATION(!rule || rule->isMediaRule());
     return static_cast<const StyleRuleMedia*>(rule);
 }
 
-#if ENABLE(CSS3_CONDITIONAL_RULES)
 inline const StyleRuleSupports* toStyleRuleSupports(const StyleRuleGroup* rule)
 {
     ASSERT_WITH_SECURITY_IMPLICATION(!rule || rule->isSupportsRule());
     return static_cast<const StyleRuleSupports*>(rule);
 }
-#endif
 
 inline const StyleRuleRegion* toStyleRuleRegion(const StyleRuleGroup* rule)
 {
     ASSERT_WITH_SECURITY_IMPLICATION(!rule || rule->isRegionRule());
     return static_cast<const StyleRuleRegion*>(rule);
 }
 
 class StyleRuleFilter : public StyleRuleBase {
 public:
     static PassRefPtr<StyleRuleFilter> create(const String& filterName) { return adoptRef(new StyleRuleFilter(filterName)); }
@@ skipping 15 matching lines @@
     StyleRuleFilter(const String&);
     StyleRuleFilter(const StyleRuleFilter&);
 
     String m_filterName;
     RefPtr<StylePropertySet> m_properties;
 };
 
 } // namespace WebCore
 
 #endif // StyleRule_h