Split CSSPrimitiveValue into CSSPrimitiveValue and CSSIdentifierValue

third_party/WebKit/Source/core/animation/CSSVisibilityInterpolationType.cpp

Index: third_party/WebKit/Source/core/animation/CSSVisibilityInterpolationType.cpp
diff --git a/third_party/WebKit/Source/core/animation/CSSVisibilityInterpolationType.cpp b/third_party/WebKit/Source/core/animation/CSSVisibilityInterpolationType.cpp
index cc8257a2eb93d5c98caafedce876f1ba607f4770..e1be9cb55cd985837a4a6a85c187368a6579e654 100644
--- a/third_party/WebKit/Source/core/animation/CSSVisibilityInterpolationType.cpp
+++ b/third_party/WebKit/Source/core/animation/CSSVisibilityInterpolationType.cpp
@@ -127,17 +127,17 @@ InterpolationValue CSSVisibilityInterpolationType::maybeConvertInherit(const Sty
 
 InterpolationValue CSSVisibilityInterpolationType::maybeConvertValue(const CSSValue& value, const StyleResolverState& state, ConversionCheckers& conversionCheckers) const
 {
-    if (!value.isPrimitiveValue())
+    if (!value.isIdentifierValue())
         return nullptr;
 
-    const CSSPrimitiveValue& primitiveValue = toCSSPrimitiveValue(value);
-    CSSValueID keyword = primitiveValue.getValueID();
+    const CSSIdentifierValue& identifierValue = toCSSIdentifierValue(value);
+    CSSValueID keyword = identifierValue.getValueID();
 
     switch (keyword) {
     case CSSValueHidden:
     case CSSValueVisible:
     case CSSValueCollapse:
-        return createVisibilityValue(primitiveValue.convertTo<EVisibility>());
+        return createVisibilityValue(identifierValue.convertTo<EVisibility>());
     default:
         return nullptr;
     }