Migrate WTF::HashSet::add() to ::insert() [continued]

third_party/WebKit/Source/wtf/ListHashSet.h

Index: third_party/WebKit/Source/wtf/ListHashSet.h
diff --git a/third_party/WebKit/Source/wtf/ListHashSet.h b/third_party/WebKit/Source/wtf/ListHashSet.h
index b3676a477f88693621c7d9f55a4198b3e26009e6..872934492219a62fdfc0fb8844d366ac2a25be95 100644
--- a/third_party/WebKit/Source/wtf/ListHashSet.h
+++ b/third_party/WebKit/Source/wtf/ListHashSet.h
@@ -189,6 +189,8 @@ class ListHashSet
   // bool that is true if an new entry was added.
   template <typename IncomingValueType>
   AddResult add(IncomingValueType&&);
+  template <typename IncomingValueType>
+  AddResult insert(IncomingValueType&&);
 
   // Same as add() except that the return value is an iterator. Useful in
   // cases where it's needed to have the same return value as find() and where
@@ -931,6 +933,13 @@ ListHashSet<T, inlineCapacity, U, V>::add(IncomingValueType&& value) {
 
 template <typename T, size_t inlineCapacity, typename U, typename V>
 template <typename IncomingValueType>
+typename ListHashSet<T, inlineCapacity, U, V>::AddResult
+ListHashSet<T, inlineCapacity, U, V>::insert(IncomingValueType&& value) {
+  return add(value);
+}
+
+template <typename T, size_t inlineCapacity, typename U, typename V>
+template <typename IncomingValueType>
 typename ListHashSet<T, inlineCapacity, U, V>::iterator
 ListHashSet<T, inlineCapacity, U, V>::addReturnIterator(
     IncomingValueType&& value) {