[css-grid] Update <fixed-size> syntax

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

Index: third_party/WebKit/Source/core/css/parser/CSSPropertyParser.cpp
diff --git a/third_party/WebKit/Source/core/css/parser/CSSPropertyParser.cpp b/third_party/WebKit/Source/core/css/parser/CSSPropertyParser.cpp
index ff6671f0c5c46c223bfe75481a19c5d20caab67d..30ba7ff08afdc5fba6435c593e048e388627720a 100644
--- a/third_party/WebKit/Source/core/css/parser/CSSPropertyParser.cpp
+++ b/third_party/WebKit/Source/core/css/parser/CSSPropertyParser.cpp
@@ -3259,11 +3259,8 @@ static CSSValue* consumeGridLine(CSSParserTokenRange& range)
     return values;
 }
 
-static bool isGridTrackFixedSized(const CSSValue& value)
+static bool isGridTrackFixedSized(const CSSPrimitiveValue& primitiveValue)
 {
-    const CSSPrimitiveValue& primitiveValue = value.isPrimitiveValue()
-        ? toCSSPrimitiveValue(value)
-        : toCSSPrimitiveValue(*toCSSFunctionValue(value).item(0));
     CSSValueID valueID = primitiveValue.getValueID();
     if (valueID == CSSValueMinContent || valueID == CSSValueMaxContent || valueID == CSSValueAuto || primitiveValue.isFlex())
         return false;
@@ -3271,6 +3268,16 @@ static bool isGridTrackFixedSized(const CSSValue& value)
     return true;
 }
 
+static bool isGridTrackFixedSized(const CSSValue& value)
+{
+    if (value.isPrimitiveValue())
+        return isGridTrackFixedSized(toCSSPrimitiveValue(value));
+
+    const CSSPrimitiveValue& minPrimitiveValue = toCSSPrimitiveValue(*toCSSFunctionValue(value).item(0));
+    const CSSPrimitiveValue& maxPrimitiveValue = toCSSPrimitiveValue(*toCSSFunctionValue(value).item(1));
+    return isGridTrackFixedSized(minPrimitiveValue) || isGridTrackFixedSized(maxPrimitiveValue);
+}
+
 static Vector<String> parseGridTemplateAreasColumnNames(const String& gridRowNames)
 {
     ASSERT(!gridRowNames.isEmpty());