Eliminate "FractionConversion" from CSSPrimitiveValue::convertToLength

Source/core/css/CSSPrimitiveValueMappings.h

Index: Source/core/css/CSSPrimitiveValueMappings.h
diff --git a/Source/core/css/CSSPrimitiveValueMappings.h b/Source/core/css/CSSPrimitiveValueMappings.h
index c88c0e42b56f3ebae69e895b4f81e0bc27733af2..81cc27051ea9436b23129e4323b396929f064d55 100644
--- a/Source/core/css/CSSPrimitiveValueMappings.h
+++ b/Source/core/css/CSSPrimitiveValueMappings.h
@@ -4434,7 +4434,6 @@ enum LengthConversion {
     FixedFloatConversion = 1 << 1,
     AutoConversion = 1 << 2,
     PercentConversion = 1 << 3,
-    FractionConversion = 1 << 4,
 };
 
 template<int supported> Length CSSPrimitiveValue::convertToLength(const RenderStyle* style, const RenderStyle* rootStyle, double multiplier, bool computingFontSize)
@@ -4448,8 +4447,6 @@ template<int supported> Length CSSPrimitiveValue::convertToLength(const RenderSt
         return Length(computeLength<double>(style, rootStyle, multiplier), Fixed);
     if ((supported & PercentConversion) && isPercentage())
         return Length(getDoubleValue(), Percent);
-    if ((supported & FractionConversion) && isNumber())
-        return Length(getDoubleValue() * 100.0, Percent);
     if ((supported & AutoConversion) && getValueID() == CSSValueAuto)
         return Length(Auto);
     if ((supported & (FixedIntegerConversion | FixedFloatConversion)) && (supported & PercentConversion) && isCalculated())