Enable support for CSS Conditional Rules

Source/core/css/StyleRule.cpp

Index: Source/core/css/StyleRule.cpp
diff --git a/Source/core/css/StyleRule.cpp b/Source/core/css/StyleRule.cpp
index 78358f3a8de9c7536a480b60783e929fc2c09d26..c7711907920cc398afddad3e456dbcdc8d34452e 100644
--- a/Source/core/css/StyleRule.cpp
+++ b/Source/core/css/StyleRule.cpp
@@ -85,9 +85,7 @@ void StyleRuleBase::reportMemoryUsage(MemoryObjectInfo* memoryObjectInfo) const
     case Keyframes:
         static_cast<const StyleRuleKeyframes*>(this)->reportDescendantMemoryUsage(memoryObjectInfo);
         return;
-#if ENABLE(CSS3_CONDITIONAL_RULES)
     case Supports:
-#endif
     case HostInternal:
         static_cast<const StyleRuleHost*>(this)->reportDescendantMemoryUsage(memoryObjectInfo);
         return;
@@ -126,11 +124,9 @@ void StyleRuleBase::destroy()
     case Media:
         delete static_cast<StyleRuleMedia*>(this);
         return;
-#if ENABLE(CSS3_CONDITIONAL_RULES)
     case Supports:
         delete static_cast<StyleRuleSupports*>(this);
         return;
-#endif
 #if ENABLE(CSS_REGIONS)
     case Region:
         delete static_cast<StyleRuleRegion*>(this);
@@ -176,10 +172,8 @@ PassRefPtr<StyleRuleBase> StyleRuleBase::copy() const
         return static_cast<const StyleRuleFontFace*>(this)->copy();
     case Media:
         return static_cast<const StyleRuleMedia*>(this)->copy();
-#if ENABLE(CSS3_CONDITIONAL_RULES)
     case Supports:
         return static_cast<const StyleRuleSupports*>(this)->copy();
-#endif
 #if ENABLE(CSS_REGIONS)
     case Region:
         return static_cast<const StyleRuleRegion*>(this)->copy();
@@ -228,11 +222,9 @@ PassRefPtr<CSSRule> StyleRuleBase::createCSSOMWrapper(CSSStyleSheet* parentSheet
     case Media:
         rule = CSSMediaRule::create(static_cast<StyleRuleMedia*>(self), parentSheet);
         break;
-#if ENABLE(CSS3_CONDITIONAL_RULES)
     case Supports:
         rule = CSSSupportsRule::create(static_cast<StyleRuleSupports*>(self), parentSheet);
         break;
-#endif
 #if ENABLE(CSS_REGIONS)
     case Region:
         rule = WebKitCSSRegionRule::create(static_cast<StyleRuleRegion*>(self), parentSheet);
@@ -428,7 +420,6 @@ void StyleRuleMedia::reportDescendantMemoryUsage(MemoryObjectInfo* memoryObjectI
 }
 
 
-#if ENABLE(CSS3_CONDITIONAL_RULES)
 StyleRuleSupports::StyleRuleSupports(const String& conditionText, bool conditionIsSupported, Vector<RefPtr<StyleRuleBase> >& adoptRules)
     : StyleRuleGroup(Supports, adoptRules)
     , m_conditionText(conditionText)
@@ -442,7 +433,6 @@ StyleRuleSupports::StyleRuleSupports(const StyleRuleSupports& o)
     , m_conditionIsSupported(o.m_conditionIsSupported)
 {
 }
-#endif
 
 StyleRuleRegion::StyleRuleRegion(Vector<OwnPtr<CSSParserSelector> >* selectors, Vector<RefPtr<StyleRuleBase> >& adoptRules)
     : StyleRuleGroup(Region, adoptRules)