Split CSSPrimitiveValue into CSSPrimitiveValue and CSSIdentifierValue

third_party/WebKit/Source/core/svg/graphics/filters/SVGFilterBuilder.cpp

Index: third_party/WebKit/Source/core/svg/graphics/filters/SVGFilterBuilder.cpp
diff --git a/third_party/WebKit/Source/core/svg/graphics/filters/SVGFilterBuilder.cpp b/third_party/WebKit/Source/core/svg/graphics/filters/SVGFilterBuilder.cpp
index 63f508c6f8c157057c96f0f485eee62015a41ed4..43c98ab012c2bdf9afeea50db3f28e2e02969da7 100644
--- a/third_party/WebKit/Source/core/svg/graphics/filters/SVGFilterBuilder.cpp
+++ b/third_party/WebKit/Source/core/svg/graphics/filters/SVGFilterBuilder.cpp
@@ -148,9 +148,8 @@ static EColorInterpolation colorInterpolationForElement(SVGElement& element, ECo
     // "manually" (used by external SVG files.)
     if (const StylePropertySet* propertySet = element.presentationAttributeStyle()) {
         const CSSValue* cssValue = propertySet->getPropertyCSSValue(CSSPropertyColorInterpolationFilters);
-        if (cssValue && cssValue->isPrimitiveValue()) {
-            const CSSPrimitiveValue& primitiveValue = toCSSPrimitiveValue(*cssValue);
-            return primitiveValue.convertTo<EColorInterpolation>();
+        if (cssValue && cssValue->isIdentifierValue()) {
+            return toCSSIdentifierValue(*cssValue).convertTo<EColorInterpolation>();
         }
     }
     // 'auto' is the default (per Filter Effects), but since the property is