copyProperties   2913 Source/core/css/CSSComputedStyleDeclaration.cpp PassRefPtrWillBeRawPtr<MutableStylePropertySet> CSSComputedStyleDeclaration::copyProperties() const
copyProperties    288 Source/core/css/PropertySetCSSStyleDeclaration.cpp PassRefPtrWillBeRawPtr<MutableStylePropertySet> AbstractPropertySetCSSStyleDeclaration::copyProperties() const