Replace compile flag with runtime check for text-underline-position

Source/core/css/resolver/StyleBuilderCustom.cpp

Index: Source/core/css/resolver/StyleBuilderCustom.cpp
diff --git a/Source/core/css/resolver/StyleBuilderCustom.cpp b/Source/core/css/resolver/StyleBuilderCustom.cpp
index 8b4e12bf929a300863778ebf67718821c1c5b37f..1f1c9d3fc9ca5036bf671ab23045f810b49479dc 100644
--- a/Source/core/css/resolver/StyleBuilderCustom.cpp
+++ b/Source/core/css/resolver/StyleBuilderCustom.cpp
@@ -798,8 +798,7 @@ void StyleBuilderFunctions::applyValueCSSPropertyWebkitTextEmphasisStyle(StyleRe
     }
 }
 
-#if ENABLE(CSS3_TEXT)
-void StyleBuilderFunctions::applyValueCSSPropertyWebkitTextUnderlinePosition(StyleResolverState& state, CSSValue* value)
+void StyleBuilderFunctions::applyValueCSSPropertyTextUnderlinePosition(StyleResolverState& state, CSSValue* value)
 {
     // This is true if value is 'auto' or 'alphabetic'.
     if (value->isPrimitiveValue()) {
@@ -816,7 +815,6 @@ void StyleBuilderFunctions::applyValueCSSPropertyWebkitTextUnderlinePosition(Sty
     }
     state.style()->setTextUnderlinePosition(static_cast<TextUnderlinePosition>(t));
 }
-#endif // CSS3_TEXT
 
 Length StyleBuilderConverter::convertLength(StyleResolverState& state, CSSValue* value)
 {
@@ -2093,9 +2091,7 @@ void StyleBuilder::oldApplyProperty(CSSPropertyID id, StyleResolverState& state,
     case CSSPropertyWebkitRtlOrdering:
     case CSSPropertyWebkitRubyPosition:
     case CSSPropertyWebkitTextCombine:
-#if ENABLE(CSS3_TEXT)
-    case CSSPropertyWebkitTextUnderlinePosition:
-#endif // CSS3_TEXT
+    case CSSPropertyTextUnderlinePosition:
     case CSSPropertyWebkitTextEmphasisColor:
     case CSSPropertyWebkitTextEmphasisPosition:
     case CSSPropertyWebkitTextEmphasisStyle: