Fix non-Oilpan ref pointer usage over DOMTokenLists.

third_party/WebKit/Source/core/html/RelList.cpp

Index: third_party/WebKit/Source/core/html/RelList.cpp
diff --git a/third_party/WebKit/Source/core/html/RelList.cpp b/third_party/WebKit/Source/core/html/RelList.cpp
index 841044640fe7e27aa626da547cf5f3a958228704..18a2ecdaa776a3c636d9ee66aa3fcd28dbe8145e 100644
--- a/third_party/WebKit/Source/core/html/RelList.cpp
+++ b/third_party/WebKit/Source/core/html/RelList.cpp
@@ -14,6 +14,20 @@ using namespace HTMLNames;
 
 RelList::RelList(Element* element) : DOMTokenList(nullptr), m_element(element) { }
 
+#if !ENABLE(OILPAN)
+void RelList::ref()
+{
+    m_element->ref();
+    DOMTokenList::ref();
+}
+
+void RelList::deref()
+{
+    m_element->deref();
+    DOMTokenList::deref();
+}
+#endif
+
 unsigned RelList::length() const
 {
     return !m_element->fastGetAttribute(relAttr).isEmpty() ? m_relValues.size() : 0;