Use the runtime flag and remove '-webkit-' prefix for CSS3 text-indent.

Source/core/rendering/style/RenderStyle.h

Index: Source/core/rendering/style/RenderStyle.h
diff --git a/Source/core/rendering/style/RenderStyle.h b/Source/core/rendering/style/RenderStyle.h
index b444e2bc2791920c4b100872123965a1b0a1e26e..e03bad1a2c3898768774a789777bbd5de122d560 100644
--- a/Source/core/rendering/style/RenderStyle.h
+++ b/Source/core/rendering/style/RenderStyle.h
@@ -531,9 +531,7 @@ public:
     float textAutosizingMultiplier() const { return visual->m_textAutosizingMultiplier; }
 
     Length textIndent() const { return rareInheritedData->indent; }
-#if ENABLE(CSS3_TEXT)
     TextIndentLine textIndentLine() const { return static_cast<TextIndentLine>(rareInheritedData->m_textIndentLine); }
-#endif
     ETextAlign textAlign() const { return static_cast<ETextAlign>(inherited_flags._text_align); }
     TextAlignLast textAlignLast() const { return static_cast<TextAlignLast>(rareInheritedData->m_textAlignLast); }
     ETextTransform textTransform() const { return static_cast<ETextTransform>(inherited_flags._text_transform); }
@@ -1039,9 +1037,7 @@ public:
 
     void setColor(const StyleColor&);
     void setTextIndent(Length v) { SET_VAR(rareInheritedData, indent, v); }
-#if ENABLE(CSS3_TEXT)
     void setTextIndentLine(TextIndentLine v) { SET_VAR(rareInheritedData, m_textIndentLine, v); }
-#endif
     void setTextAlign(ETextAlign v) { inherited_flags._text_align = v; }
     void setTextAlignLast(TextAlignLast v) { SET_VAR(rareInheritedData, m_textAlignLast, v); }
     void setTextTransform(ETextTransform v) { inherited_flags._text_transform = v; }
@@ -1490,9 +1486,7 @@ public:
     static Length initialMargin() { return Length(Fixed); }
     static Length initialPadding() { return Length(Fixed); }
     static Length initialTextIndent() { return Length(Fixed); }
-#if ENABLE(CSS3_TEXT)
     static TextIndentLine initialTextIndentLine() { return TextIndentFirstLine; }
-#endif
     static EVerticalAlign initialVerticalAlign() { return BASELINE; }
     static short initialWidows() { return 2; }
     static short initialOrphans() { return 2; }