DOMCSSDeclarationImpl::RemoveProperty(const nsString& aPropertyName, nsString& aReturn)
DOMCSSDeclarationImpl::RemoveProperty(const nsAReadableString& aPropertyName, nsAWritableString& aReturn)
DOMCSSDeclarationImpl::RemoveProperty(const nsString& aPropertyName,                                       nsString& aReturn){  aReturn.Truncate();  nsCOMPtr<nsICSSDeclaration> decl;  nsresult rv = GetCSSDeclaration(getter_AddRefs(decl), PR_TRUE);  if (NS_SUCCEEDED(rv) && decl) {    nsCSSProperty prop = nsCSSProps::LookupProperty(aPropertyName);    nsCSSValue val;    rv = decl->RemoveProperty(prop, val);    if (NS_SUCCEEDED(rv)) {      // We pass in eCSSProperty_UNKNOWN here so that we don't get the      // property name in the return string.      val.ToString(aReturn, eCSSProperty_UNKNOWN);    } else {      // If we tried to remove an invalid property or a property that wasn't       //  set we simply return success and an empty string      rv = NS_OK;    }  }  return rv;}