(Heap)TerminatedArrayBuilders are stack allocated.

third_party/WebKit/Source/wtf/TerminatedArrayBuilder.h

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 #ifndef TerminatedArrayBuilder_h
 #define TerminatedArrayBuilder_h
 
-#include "wtf/OwnPtr.h"
+#include "wtf/Allocator.h"
 
 namespace WTF {
 
 template<typename T, template <typename> class ArrayType = TerminatedArray>
 class TerminatedArrayBuilder {
-    DISALLOW_NEW();
+    STACK_ALLOCATED();
     WTF_MAKE_NONCOPYABLE(TerminatedArrayBuilder);
 public:
     explicit TerminatedArrayBuilder(typename ArrayType<T>::Allocator::PassPtr array)
         : m_array(array)
         , m_count(0)
         , m_capacity(0)
     {
         if (!m_array)
             return;
         m_capacity = m_count = m_array->size();
@@ skipping 49 matching lines @@
     typename ArrayType<T>::Allocator::Ptr m_array;
     size_t m_count;
     size_t m_capacity;
 };
 
 } // namespace WTF
 
 using WTF::TerminatedArrayBuilder;
 
 #endif // TerminatedArrayBuilder_h