1 files changed, 2 insertions, 1 deletions
diff --git a/Source/WebCore/css/MediaQueryExp.h b/Source/WebCore/css/MediaQueryExp.h
index 72d3fff..7e4d477 100644
--- a/Source/WebCore/css/MediaQueryExp.h
+++ b/Source/WebCore/css/MediaQueryExp.h
@@ -38,7 +38,8 @@
 namespace WebCore {
 class CSSParserValueList;
 
-class MediaQueryExp : public FastAllocBase {
+class MediaQueryExp {
+    WTF_MAKE_FAST_ALLOCATED;
 public:
     static PassOwnPtr<MediaQueryExp> create(const AtomicString& mediaFeature, CSSParserValueList* values);
     ~MediaQueryExp();