Split CSSPrimitiveValue into CSSPrimitiveValue and CSSIdentifierValue

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

Index: third_party/WebKit/Source/core/animation/SizeInterpolationFunctions.cpp
diff --git a/third_party/WebKit/Source/core/animation/SizeInterpolationFunctions.cpp b/third_party/WebKit/Source/core/animation/SizeInterpolationFunctions.cpp
index 505ab0c45ef1c35cf7ca8ff82442de5979222ecb..8cc10cab87facf6ea5285c5b7b541eef9ac5d7c1 100644
--- a/third_party/WebKit/Source/core/animation/SizeInterpolationFunctions.cpp
+++ b/third_party/WebKit/Source/core/animation/SizeInterpolationFunctions.cpp
@@ -6,6 +6,7 @@
 
 #include "core/animation/LengthInterpolationFunctions.h"
 #include "core/animation/UnderlyingValueOwner.h"
+#include "core/css/CSSIdentifierValue.h"
 #include "core/css/CSSToLengthConversionData.h"
 #include "core/css/CSSValuePair.h"
 
@@ -90,14 +91,14 @@ InterpolationValue SizeInterpolationFunctions::maybeConvertCSSSizeSide(const CSS
     if (value.isValuePair()) {
         const CSSValuePair& pair = toCSSValuePair(value);
         const CSSValue& side = convertWidth ? pair.first() : pair.second();
-        if (side.isPrimitiveValue() && toCSSPrimitiveValue(side).getValueID() == CSSValueAuto)
+        if (side.isIdentifierValue() && toCSSIdentifierValue(side).getValueID() == CSSValueAuto)
             return convertKeyword(CSSValueAuto);
         return wrapConvertedLength(LengthInterpolationFunctions::maybeConvertCSSValue(side));
     }
 
     if (!value.isPrimitiveValue())
         return nullptr;
-    CSSValueID keyword = toCSSPrimitiveValue(value).getValueID();
+    CSSValueID keyword = toCSSIdentifierValue(value).getValueID();
     if (keyword)
         return convertKeyword(keyword);