1 files changed, 1 insertions, 1 deletions
diff --git a/WebCore/css/WebKitCSSKeyframesRule.h b/WebCore/css/WebKitCSSKeyframesRule.h
index f58406f..2836942 100644
--- a/WebCore/css/WebKitCSSKeyframesRule.h
+++ b/WebCore/css/WebKitCSSKeyframesRule.h
@@ -27,6 +27,7 @@
 #define WebKitCSSKeyframesRule_h
 
 #include "CSSRule.h"
+#include <wtf/Forward.h>
 #include <wtf/RefPtr.h>
 #include "AtomicString.h"
 
@@ -34,7 +35,6 @@ namespace WebCore {
 
 class CSSRuleList;
 class WebKitCSSKeyframeRule;
-class String;
 
 typedef int ExceptionCode;