Implement CSS3TextDecorations runtime flag in favor of CSS3_TEXT

Source/core/page/RuntimeCSSEnabled.cpp

 /*
  * Copyright (C) 2013 Adobe Systems Incorporated. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1. Redistributions of source code must retain the above
  *    copyright notice, this list of conditions and the following
  *    disclaimer.
@@ skipping 46 matching lines @@
     CSSPropertyID exclusionProperties[] = {
         CSSPropertyWebkitWrap,
         CSSPropertyWebkitWrapFlow,
         CSSPropertyWebkitShapeMargin,
         CSSPropertyWebkitShapePadding,
         CSSPropertyWebkitWrapThrough,
         CSSPropertyWebkitShapeInside,
         CSSPropertyWebkitShapeOutside,
     };
     setCSSPropertiesEnabled(exclusionProperties, WTF_ARRAY_LENGTH(exclusionProperties), RuntimeEnabledFeatures::cssExclusionsEnabled());
+    CSSPropertyID css3TextDecorationProperties[] = {
+        CSSPropertyTextDecorationColor,
+        CSSPropertyTextDecorationLine,
+        CSSPropertyTextDecorationStyle,
+    };
+    setCSSPropertiesEnabled(css3TextDecorationProperties, WTF_ARRAY_LENGTH(css3TextDecorationProperties), RuntimeEnabledFeatures::css3TextDecorationsEnabled());
 
     RuntimeCSSEnabled::setCSSPropertyEnabled(CSSPropertyBackgroundBlendMode, RuntimeEnabledFeatures::cssCompositingEnabled());
     RuntimeCSSEnabled::setCSSPropertyEnabled(CSSPropertyMixBlendMode, RuntimeEnabledFeatures::cssCompositingEnabled());
 }
 
 static BoolVector& propertySwitches()
 {
     static BoolVector* switches = 0;
     if (!switches) {
         switches = new BoolVector;
@@ skipping 23 matching lines @@
 void RuntimeCSSEnabled::filterEnabledCSSPropertiesIntoVector(const CSSPropertyID* properties, size_t propertyCount, Vector<CSSPropertyID>& outVector)
 {
     for (unsigned i = 0; i < propertyCount; i++) {
         CSSPropertyID property = properties[i];
         if (RuntimeCSSEnabled::isCSSPropertyEnabled(property))
             outVector.append(property);
     }
 }
 
 } // namespace WebCore