CSSPrimitiveValue identifier constructors should return PassRef.
<https://webkit.org/b/123712>

Make CSSPrimitiveValue::createIdentifier() and the corresponding
CSSValuePool helper return PassRef<CSSPrimitiveValue>.

Reviewed by Antti Koivisto.


git-svn-id: http://svn.webkit.org/repository/webkit/trunk@158549 268f45cc-cd09-0410-ab3c-d52691b4dbfc
4 files changed