Make list constructor usable without list-inl.h header.

src/list.h

 // Copyright 2011 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_H_
 #define V8_LIST_H_
 
 #include <algorithm>
 
 #include "src/checks.h"
@@ skipping 148 matching lines @@
   template <typename CompareFunction>
   void Sort(CompareFunction cmp);
   void Sort();
   template <typename CompareFunction>
   void StableSort(CompareFunction cmp, size_t start, size_t length);
   template <typename CompareFunction>
   void StableSort(CompareFunction cmp);
   void StableSort();
 
   INLINE(void Initialize(int capacity,
-                         AllocationPolicy allocator = AllocationPolicy()));
+                         AllocationPolicy allocator = AllocationPolicy())) {
+    DCHECK(capacity >= 0);
+    data_ = (capacity > 0) ? NewData(capacity, allocator) : NULL;
+    capacity_ = capacity;
+    length_ = 0;
+  }
 
  private:
   T* data_;
   int capacity_;
   int length_;
 
   INLINE(T* NewData(int n, AllocationPolicy allocator))  {
     return static_cast<T*>(allocator.New(n * sizeof(T)));
   }
   INLINE(void DeleteData(T* data))  {
@@ skipping 41 matching lines @@
 template <typename T, class P>
 int SortedListBSearch(const List<T>& list, P cmp);
 template <typename T>
 int SortedListBSearch(const List<T>& list, T elem);
 
 
 } }  // namespace v8::internal
 
 
 #endif  // V8_LIST_H_