CSSValue Immediates: Add move operators to CSSPrimitiveValue

Source/core/css/CSSComputedStyleDeclaration.cpp

Index: Source/core/css/CSSComputedStyleDeclaration.cpp
diff --git a/Source/core/css/CSSComputedStyleDeclaration.cpp b/Source/core/css/CSSComputedStyleDeclaration.cpp
index 5cfff81b2f90c770afe924fdc24b1c39e924905e..f5f69b6fddaca1a0e0613b3973b5344bb92131da 100644
--- a/Source/core/css/CSSComputedStyleDeclaration.cpp
+++ b/Source/core/css/CSSComputedStyleDeclaration.cpp
@@ -410,7 +410,7 @@ static CSSValueID cssIdentifierForFontSizeKeyword(int keywordSize)
     return static_cast<CSSValueID>(CSSValueXxSmall + keywordSize - 1);
 }
 
-inline static PassRefPtrWillBeRawPtr<CSSPrimitiveValue> zoomAdjustedPixelValue(double value, const ComputedStyle& style)
+inline static CSSPrimitiveValue zoomAdjustedPixelValue(double value, const ComputedStyle& style)
 {
     return cssValuePool().createValue(adjustFloatForAbsoluteZoom(value, style), CSSPrimitiveValue::CSS_PX);
 }
@@ -573,7 +573,7 @@ NullableCSSValue CSSComputedStyleDeclaration::getPropertyCSSValue(CSSPropertyID
 
     NullableCSSValue value = ComputedStyleCSSValueMapping::get(propertyID, *style, layoutObject, styledNode, m_allowVisitedStyle);
     if (value)
-        return *value;
+        return value;
 
     logUnimplementedPropertyID(propertyID);
     return nullptr;