Revert "Revert "Implement CSS3TextDecorations runtime flag in favor of CSS3_TEXT""

Source/core/rendering/RenderObject.cpp

Index: Source/core/rendering/RenderObject.cpp
diff --git a/Source/core/rendering/RenderObject.cpp b/Source/core/rendering/RenderObject.cpp
index fb211b88f2b49934cfb7581e51e6c98702595bdd..012016f063f344d3d06cee9f3ef5b451a32d6de3 100644
--- a/Source/core/rendering/RenderObject.cpp
+++ b/Source/core/rendering/RenderObject.cpp
@@ -2796,12 +2796,10 @@ bool RenderObject::hasBlendMode() const
 static Color decorationColor(RenderStyle* style)
 {
     Color result;
-#if ENABLE(CSS3_TEXT)
     // Check for text decoration color first.
-    result = style->visitedDependentColor(CSSPropertyWebkitTextDecorationColor);
+    result = style->visitedDependentColor(CSSPropertyTextDecorationColor);
     if (result.isValid())
         return result;
-#endif // CSS3_TEXT
     if (style->textStrokeWidth() > 0) {
         // Prefer stroke color if possible but not if it's fully transparent.
         result = style->visitedDependentColor(CSSPropertyWebkitTextStrokeColor);