CSSValue Immediates: Make CSSPrimitiveValue a container

Source/core/animation/DeferredLegacyStyleInterpolation.cpp

Index: Source/core/animation/DeferredLegacyStyleInterpolation.cpp
diff --git a/Source/core/animation/DeferredLegacyStyleInterpolation.cpp b/Source/core/animation/DeferredLegacyStyleInterpolation.cpp
index 6c1ebfd56fbd0a04bb5af9f8cdbee3b5d33c5f03..f570881f20558bc058806bc540547a4871681083 100644
--- a/Source/core/animation/DeferredLegacyStyleInterpolation.cpp
+++ b/Source/core/animation/DeferredLegacyStyleInterpolation.cpp
@@ -43,7 +43,7 @@ void DeferredLegacyStyleInterpolation::apply(StyleResolverState& state) const
     m_innerInterpolation->apply(state);
 }
 
-bool DeferredLegacyStyleInterpolation::interpolationRequiresStyleResolve(const CSSValue& value)
+bool DeferredLegacyStyleInterpolation::interpolationRequiresStyleResolve(const CSSValue value)
 {
     // FIXME: should not require resolving styles for inherit/initial/unset.
     if (value.isCSSWideKeyword())
@@ -62,7 +62,7 @@ bool DeferredLegacyStyleInterpolation::interpolationRequiresStyleResolve(const C
     return true;
 }
 
-bool DeferredLegacyStyleInterpolation::interpolationRequiresStyleResolve(const CSSPrimitiveValue& primitiveValue)
+bool DeferredLegacyStyleInterpolation::interpolationRequiresStyleResolve(const CSSPrimitiveValue primitiveValue)
 {
     // FIXME: consider other types.
     if (primitiveValue.isNumber() || primitiveValue.isPercentage() || primitiveValue.isAngle() || primitiveValue.isRGBColor() || primitiveValue.isURI())
@@ -90,17 +90,17 @@ bool DeferredLegacyStyleInterpolation::interpolationRequiresStyleResolve(const C
     }
 
     if (Rect* rect = primitiveValue.getRectValue()) {
-        return interpolationRequiresStyleResolve(*rect->top())
-            || interpolationRequiresStyleResolve(*rect->right())
-            || interpolationRequiresStyleResolve(*rect->bottom())
-            || interpolationRequiresStyleResolve(*rect->left());
+        return interpolationRequiresStyleResolve(rect->top())
+            || interpolationRequiresStyleResolve(rect->right())
+            || interpolationRequiresStyleResolve(rect->bottom())
+            || interpolationRequiresStyleResolve(rect->left());
     }
 
     if (Quad* quad = primitiveValue.getQuadValue()) {
-        return interpolationRequiresStyleResolve(*quad->top())
-            || interpolationRequiresStyleResolve(*quad->right())
-            || interpolationRequiresStyleResolve(*quad->bottom())
-            || interpolationRequiresStyleResolve(*quad->left());
+        return interpolationRequiresStyleResolve(quad->top())
+            || interpolationRequiresStyleResolve(quad->right())
+            || interpolationRequiresStyleResolve(quad->bottom())
+            || interpolationRequiresStyleResolve(quad->left());
     }
 
     if (primitiveValue.isShape())