Add consumeInteger/consumeLength

Source/core/css/parser/LegacyCSSPropertyParser.cpp

Index: Source/core/css/parser/LegacyCSSPropertyParser.cpp
diff --git a/Source/core/css/parser/LegacyCSSPropertyParser.cpp b/Source/core/css/parser/LegacyCSSPropertyParser.cpp
index c1db97307fa86555fd028a7472406937246e552e..734b7774eaf7d500797d1015ecaf09470a7b377a 100644
--- a/Source/core/css/parser/LegacyCSSPropertyParser.cpp
+++ b/Source/core/css/parser/LegacyCSSPropertyParser.cpp
@@ -173,15 +173,6 @@ bool CSSPropertyParser::validCalculationUnit(CSSParserValue* value, Units unitfl
     return b;
 }
 
-inline bool CSSPropertyParser::shouldAcceptUnitLessValues(CSSParserValue* value, Units unitflags, CSSParserMode cssParserMode)
-{
-    // Quirks mode for certain properties and presentation attributes accept unit-less values for certain units.
-    return (unitflags & (FLength | FAngle))
-        && (!value->fValue // 0 can always be unitless.
-            || isUnitLessLengthParsingEnabledForMode(cssParserMode) // HTML and SVG attribute values can always be unitless.
-            || (cssParserMode == HTMLQuirksMode && (unitflags & FUnitlessQuirk)));
-}
-
 inline bool isCalculation(CSSParserValue* value)
 {
     return value->m_unit == CSSParserValue::CalcFunction;
@@ -198,7 +189,7 @@ bool CSSPropertyParser::validUnit(CSSParserValue* value, Units unitflags, CSSPar
     case CSSPrimitiveValue::UnitType::Number:
         if (unitflags & FNumber)
             return true;
-        if (shouldAcceptUnitLessValues(value, unitflags, cssParserMode)) {
+        if (shouldAcceptUnitLessValues(value->fValue, unitflags, cssParserMode)) {
             value->setUnit((unitflags & FLength) ? CSSPrimitiveValue::UnitType::Pixels : CSSPrimitiveValue::UnitType::Degrees);
             return true;
         }
@@ -697,14 +688,6 @@ bool CSSPropertyParser::parseValue(CSSPropertyID unresolvedProperty, bool import
             validPrimitive = validUnit(value, FLength | FNonNeg | unitless);
         break;
 
-    case CSSPropertyLetterSpacing:       // normal | <length> | inherit
-    case CSSPropertyWordSpacing:         // normal | <length> | inherit
-        if (id == CSSValueNormal)
-            validPrimitive = true;
-        else
-            validPrimitive = validUnit(value, FLength | FUnitlessQuirk);
-        break;
-
     case CSSPropertyTextIndent:
         parsedValue = parseTextIndent();
         break;
@@ -1442,6 +1425,9 @@ bool CSSPropertyParser::parseValue(CSSPropertyID unresolvedProperty, bool import
     case CSSPropertyQuotes:
     case CSSPropertyWebkitHighlight:
     case CSSPropertyFontVariantLigatures:
+    case CSSPropertyLetterSpacing:
+    case CSSPropertyWordSpacing:
+
         validPrimitive = false;
         break;