Add consumeInteger/consumeLength

third_party/WebKit/Source/core/css/parser/CSSPropertyParser.h

Index: third_party/WebKit/Source/core/css/parser/CSSPropertyParser.h
diff --git a/third_party/WebKit/Source/core/css/parser/CSSPropertyParser.h b/third_party/WebKit/Source/core/css/parser/CSSPropertyParser.h
index 51de867250fb3d9bf5e3dc78707d6b772546932c..bc3ea7762d4428200a120d968601fd158e016895 100644
--- a/third_party/WebKit/Source/core/css/parser/CSSPropertyParser.h
+++ b/third_party/WebKit/Source/core/css/parser/CSSPropertyParser.h
@@ -52,6 +52,11 @@ class CSSValue;
 class CSSValueList;
 class StylePropertyShorthand;
 
+enum class UnitlessQuirk {
+    Allow,
+    Forbid
+};
+
 // Inputs: PropertyID, isImportant bool, CSSParserValueList.
 // Outputs: Vector of CSSProperties
 
@@ -340,8 +345,6 @@ private:
 
     bool validCalculationUnit(CSSParserValue*, Units, ReleaseParsedCalcValueCondition releaseCalc = DoNotReleaseParsedCalcValue);
 
-    bool shouldAcceptUnitLessValues(CSSParserValue*, Units, CSSParserMode);
-
     inline bool validUnit(CSSParserValue* value, Units unitflags, ReleaseParsedCalcValueCondition releaseCalc = DoNotReleaseParsedCalcValue) { return validUnit(value, unitflags, m_context.mode(), releaseCalc); }
     bool validUnit(CSSParserValue*, Units, CSSParserMode, ReleaseParsedCalcValueCondition releaseCalc = DoNotReleaseParsedCalcValue);
 
@@ -377,6 +380,15 @@ private:
     RefPtrWillBeMember<CSSCalcValue> m_parsedCalculation;
 };
 
+inline bool shouldAcceptUnitLessValues(double fValue, CSSPropertyParser::Units unitflags, CSSParserMode cssParserMode)

[alancutter (OOO until 2018), 2015/09/27 23:13:38]

This should move back into LegacyCSSPropertyParser.cpp.

+{
+    // Quirks mode for certain properties and presentation attributes accept unit-less values for certain units.
+    return (unitflags & (CSSPropertyParser::FLength | CSSPropertyParser::FAngle))
+        && (!fValue // 0 can always be unitless.
+            || isUnitLessLengthParsingEnabledForMode(cssParserMode) // HTML and SVG attribute values can always be unitless.
+            || (cssParserMode == HTMLQuirksMode && (unitflags & CSSPropertyParser::FUnitlessQuirk)));
+}
+
 CSSPropertyID unresolvedCSSPropertyID(const CSSParserString&);
 CSSValueID cssValueKeywordID(const CSSParserString&);