Adding relList attr to link and anchor element

Source/core/html/HTMLAnchorElement.h

Index: Source/core/html/HTMLAnchorElement.h
diff --git a/Source/core/html/HTMLAnchorElement.h b/Source/core/html/HTMLAnchorElement.h
index b90dce74a4831bf4e5d0eb4d9d2c95ca79da34ff..6f8ca505b5b121696675839bdd382396eaa53c36 100644
--- a/Source/core/html/HTMLAnchorElement.h
+++ b/Source/core/html/HTMLAnchorElement.h
@@ -28,6 +28,7 @@
 #include "core/dom/DOMURLUtils.h"
 #include "core/dom/Document.h"
 #include "core/html/HTMLElement.h"
+#include "core/html/RelList.h"
 #include "platform/LinkHash.h"
 
 namespace WebCore {
@@ -79,6 +80,8 @@ public:
     bool hasRel(uint32_t relation) const;
     void setRel(const AtomicString&);
 
+    DOMTokenList& relList();
+
     LinkHash visitedLinkHash() const;
     void invalidateCachedVisitedLinkHash() { m_cachedVisitedLinkHash = 0; }
 
@@ -108,6 +111,7 @@ private:
 
     uint32_t m_linkRelations;
     mutable LinkHash m_cachedVisitedLinkHash;
+    OwnPtrWillBeMember<RelList> m_relList;
 };
 
 inline LinkHash HTMLAnchorElement::visitedLinkHash() const