Merge webkit.org at R49305 : Automatic merge by git.

Change-Id: I8968561bc1bfd72b8923b7118d3728579c6dbcc7

1 files changed, 18 insertions, 0 deletions

diff --git a/JavaScriptCore/wtf/HashSet.h b/JavaScriptCore/wtf/HashSet.h
index 990670d..f4e2cf7 100644
--- a/JavaScriptCore/wtf/HashSet.h
+++ b/JavaScriptCore/wtf/HashSet.h
@@ -29,6 +29,8 @@ namespace WTF {
     template<typename Value, typename HashFunctions, typename Traits> class HashSet;
     template<typename Value, typename HashFunctions, typename Traits>
     void deleteAllValues(const HashSet<Value, HashFunctions, Traits>&);
+    template<typename Value, typename HashFunctions, typename Traits>
+    void fastDeleteAllValues(const HashSet<Value, HashFunctions, Traits>&);
 
     template<typename T> struct IdentityExtractor;
 
@@ -91,6 +93,7 @@ namespace WTF {
 
     private:
         friend void deleteAllValues<>(const HashSet&);
+        friend void fastDeleteAllValues<>(const HashSet&);
 
         HashTableType m_impl;
     };
@@ -251,6 +254,21 @@ namespace WTF {
     {
         deleteAllValues<typename HashSet<T, U, V>::ValueType>(collection.m_impl);
     }
+
+    template<typename ValueType, typename HashTableType>
+    void fastDeleteAllValues(HashTableType& collection)
+    {
+        typedef typename HashTableType::const_iterator iterator;
+        iterator end = collection.end();
+        for (iterator it = collection.begin(); it != end; ++it)
+            fastDelete(*it);
+    }
+
+    template<typename T, typename U, typename V>
+    inline void fastDeleteAllValues(const HashSet<T, U, V>& collection)
+    {
+        fastDeleteAllValues<typename HashSet<T, U, V>::ValueType>(collection.m_impl);
+    }
     
     template<typename T, typename U, typename V, typename W>
     inline void copyToVector(const HashSet<T, U, V>& collection, W& vector)