Remove runtime zone.

src/list-inl.h

 // Copyright 2006-2009 the V8 project 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 V8_LIST_INL_H_
 #define V8_LIST_INL_H_
 
 #include "src/list.h"
 
 #include "src/base/macros.h"
@@ skipping 123 matching lines @@
 
 template<typename T, class P>
 void List<T, P>::Allocate(int length, P allocator) {
   DeleteData(data_);
   Initialize(length, allocator);
   length_ = length;
 }
 
 
 template<typename T, class P>
 void List<T, P>::Clear() {

[jgruber, 2016/10/04 11:23:32]

Is this left over from local experiments? Clear should preserve old semantics.

-  DeleteData(data_);
-  // We don't call Initialize(0) since that requires passing a Zone,
-  // which we don't really need.
-  data_ = NULL;
-  capacity_ = 0;
   length_ = 0;
 }
 
 
 template<typename T, class P>
 void List<T, P>::Rewind(int pos) {
   DCHECK(0 <= pos && pos <= length_);
   length_ = pos;
 }
 
@@ skipping 123 matching lines @@
 template <typename T>
 int SortedListBSearch(const List<T>& list, T elem) {
   return SortedListBSearch<T, ElementCmp<T> > (list, ElementCmp<T>(elem));
 }
 
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_LIST_INL_H_