New return value syntax for HashTable and HashMap nested types

Source/wtf/HashTable.h

Index: Source/wtf/HashTable.h
diff --git a/Source/wtf/HashTable.h b/Source/wtf/HashTable.h
index f8219db0fbf96af324aba6435dab67865ed3491c..848078f48065ccf86ec8899c9d299ea1a06dbde2 100644
--- a/Source/wtf/HashTable.h
+++ b/Source/wtf/HashTable.h
@@ -665,7 +665,7 @@ namespace WTF {
 
     template<typename Key, typename Value, typename Extractor, typename HashFunctions, typename Traits, typename KeyTraits, typename Allocator>
     template<typename HashTranslator, typename T>
-    inline typename HashTable<Key, Value, Extractor, HashFunctions, Traits, KeyTraits, Allocator>::LookupType HashTable<Key, Value, Extractor, HashFunctions, Traits, KeyTraits, Allocator>::lookupForWriting(const T& key)
+    inline auto HashTable<Key, Value, Extractor, HashFunctions, Traits, KeyTraits, Allocator>::lookupForWriting(const T& key) -> LookupType
     {
         ASSERT(m_table);
         registerModification();
@@ -707,7 +707,7 @@ namespace WTF {
 
     template<typename Key, typename Value, typename Extractor, typename HashFunctions, typename Traits, typename KeyTraits, typename Allocator>
     template<typename HashTranslator, typename T>
-    inline typename HashTable<Key, Value, Extractor, HashFunctions, Traits, KeyTraits, Allocator>::FullLookupType HashTable<Key, Value, Extractor, HashFunctions, Traits, KeyTraits, Allocator>::fullLookupForWriting(const T& key)
+    inline auto HashTable<Key, Value, Extractor, HashFunctions, Traits, KeyTraits, Allocator>::fullLookupForWriting(const T& key) -> FullLookupType
     {
         ASSERT(m_table);
         registerModification();
@@ -781,7 +781,7 @@ namespace WTF {
 
     template<typename Key, typename Value, typename Extractor, typename HashFunctions, typename Traits, typename KeyTraits, typename Allocator>
     template<typename HashTranslator, typename T, typename Extra>
-    typename HashTable<Key, Value, Extractor, HashFunctions, Traits, KeyTraits, Allocator>::AddResult HashTable<Key, Value, Extractor, HashFunctions, Traits, KeyTraits, Allocator>::add(const T& key, const Extra& extra)
+    auto HashTable<Key, Value, Extractor, HashFunctions, Traits, KeyTraits, Allocator>::add(const T& key, const Extra& extra) -> AddResult
     {
         ASSERT(Allocator::isAllocationAllowed());
         if (!m_table)
@@ -846,7 +846,7 @@ namespace WTF {
 
     template<typename Key, typename Value, typename Extractor, typename HashFunctions, typename Traits, typename KeyTraits, typename Allocator>
     template<typename HashTranslator, typename T, typename Extra>
-    typename HashTable<Key, Value, Extractor, HashFunctions, Traits, KeyTraits, Allocator>::AddResult HashTable<Key, Value, Extractor, HashFunctions, Traits, KeyTraits, Allocator>::addPassingHashCode(const T& key, const Extra& extra)
+    auto HashTable<Key, Value, Extractor, HashFunctions, Traits, KeyTraits, Allocator>::addPassingHashCode(const T& key, const Extra& extra) -> AddResult
     {
         ASSERT(Allocator::isAllocationAllowed());
         if (!m_table)
@@ -910,7 +910,7 @@ namespace WTF {
 
     template<typename Key, typename Value, typename Extractor, typename HashFunctions, typename Traits, typename KeyTraits, typename Allocator>
     template <typename HashTranslator, typename T>
-    inline typename HashTable<Key, Value, Extractor, HashFunctions, Traits, KeyTraits, Allocator>::const_iterator HashTable<Key, Value, Extractor, HashFunctions, Traits, KeyTraits, Allocator>::find(const T& key) const
+    inline auto HashTable<Key, Value, Extractor, HashFunctions, Traits, KeyTraits, Allocator>::find(const T& key) const -> const_iterator
     {
         ValueType* entry = const_cast<HashTable*>(this)->lookup<HashTranslator>(key);
         if (!entry)
@@ -1202,7 +1202,7 @@ template<typename Key, typename Value, typename Extractor, typename HashFunction
     }
 
     template<typename Key, typename Value, typename Extractor, typename HashFunctions, typename Traits, typename KeyTraits, typename Allocator>
-    HashTable<Key, Value, Extractor, HashFunctions, Traits, KeyTraits, Allocator>& HashTable<Key, Value, Extractor, HashFunctions, Traits, KeyTraits, Allocator>::operator=(const HashTable& other)
+    auto HashTable<Key, Value, Extractor, HashFunctions, Traits, KeyTraits, Allocator>::operator=(const HashTable& other) -> HashTable&
     {
         HashTable tmp(other);
         swap(tmp);