CSSValue Immediates: Make CSSPrimitiveValue a container

Source/core/css/CSSShadowValue.cpp

Index: Source/core/css/CSSShadowValue.cpp
diff --git a/Source/core/css/CSSShadowValue.cpp b/Source/core/css/CSSShadowValue.cpp
index 260250441f4c3ee057843cce4bb1e9ce25e05d00..2b25ab08edecab51c13bfed9390a25e3306c69ca 100644
--- a/Source/core/css/CSSShadowValue.cpp
+++ b/Source/core/css/CSSShadowValue.cpp
@@ -27,12 +27,12 @@
 namespace blink {
 
 // Used for text-shadow and box-shadow
-CSSShadowValue::CSSShadowValue(PassRefPtrWillBeRawPtr<CSSPrimitiveValue> x,
-    PassRefPtrWillBeRawPtr<CSSPrimitiveValue> y,
-    PassRefPtrWillBeRawPtr<CSSPrimitiveValue> blur,
-    PassRefPtrWillBeRawPtr<CSSPrimitiveValue> spread,
-    PassRefPtrWillBeRawPtr<CSSPrimitiveValue> style,
-    PassRefPtrWillBeRawPtr<CSSPrimitiveValue> color)
+CSSShadowValue::CSSShadowValue(NullableCSSValue x,
+    NullableCSSValue y,
+    NullableCSSValue blur,
+    NullableCSSValue spread,
+    NullableCSSValue style,
+    NullableCSSValue color)
     : CSSValueObject(ShadowClass)
     , x(x)
     , y(y)
@@ -80,12 +80,12 @@ String CSSShadowValue::customCSSText() const
 
 bool CSSShadowValue::equals(const CSSShadowValue& other) const
 {
-    return compareCSSValuePtr(color, other.color)
-        && compareCSSValuePtr(x, other.x)
-        && compareCSSValuePtr(y, other.y)
-        && compareCSSValuePtr(blur, other.blur)
-        && compareCSSValuePtr(spread, other.spread)
-        && compareCSSValuePtr(style, other.style);
+    return color == other.color
+        && x == other.x
+        && y == other.y
+        && blur == other.blur
+        && spread == other.spread
+        && style == other.style;
 }
 
 DEFINE_TRACE_AFTER_DISPATCH(CSSShadowValue)