CSSValue Immediates: Make CSSPrimitiveValue a container

Source/build/scripts/templates/StyleBuilderFunctions.cpp.tmpl

Index: Source/build/scripts/templates/StyleBuilderFunctions.cpp.tmpl
diff --git a/Source/build/scripts/templates/StyleBuilderFunctions.cpp.tmpl b/Source/build/scripts/templates/StyleBuilderFunctions.cpp.tmpl
index c25ed31b0e276f1850137f0f6c38d5962f17f3ba..e3cb394e2959d9ce5f63215fd7eaecb803618db5 100644
--- a/Source/build/scripts/templates/StyleBuilderFunctions.cpp.tmpl
+++ b/Source/build/scripts/templates/StyleBuilderFunctions.cpp.tmpl
@@ -142,7 +142,7 @@ namespace blink {
     if (!value.isPrimitiveValue())
         return;
 
-    CSSPrimitiveValue& primitiveValue = toCSSPrimitiveValue(value);
+    CSSPrimitiveValue primitiveValue = toCSSPrimitiveValue(value);
     if (primitiveValue.getValueID() == {{auto_identity}})
         state.style()->{{auto_setter}}();
     else
@@ -358,8 +358,8 @@ static bool borderImageLengthMatchesAllSides(const BorderImageLengthBox& borderI
         if (!pair || !pair->first() || !pair->second())
             continue;
 
-        AtomicString identifier(pair->first()->getStringValue());
-        int value = pair->second()->getIntValue();
+        AtomicString identifier(toCSSPrimitiveValue(*pair->first()).getStringValue());
+        int value = toCSSPrimitiveValue(*pair->second()).getIntValue();
         CounterDirectives& directives = map.add(identifier, CounterDirectives()).storedValue->value;
         {% if action == 'Reset' %}
         directives.setResetValue(value);
@@ -520,7 +520,7 @@ static bool borderImageLengthMatchesAllSides(const BorderImageLengthBox& borderI
         if (!list.item(0).isPrimitiveValue())
             return;
 
-        CSSPrimitiveValue& primitiveValue = toCSSPrimitiveValue(list.item(0));
+        CSSPrimitiveValue primitiveValue = toCSSPrimitiveValue(list.item(0));
         if (!primitiveValue.isURI())
             return;
 
@@ -528,7 +528,7 @@ static bool borderImageLengthMatchesAllSides(const BorderImageLengthBox& borderI
         value = list.item(1);
     }
     if (value.isPrimitiveValue()) {
-        CSSPrimitiveValue& primitiveValue = toCSSPrimitiveValue(value);
+        CSSPrimitiveValue primitiveValue = toCSSPrimitiveValue(value);
         Color color;
         SVGPaintType paintType = SVG_PAINTTYPE_RGBCOLOR;
         if (primitiveValue.getValueID() == CSSValueNone) {