Added another constructor to MRUCacheBase that specifies the deletor.

content/common/mru_cache.h

-// Copyright (c) 2009 The Chromium Authors. All rights reserved.
+// Copyright (c) 2011 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.
 
 // This file contains a template for a Most Recently Used cache that allows
 // constant-time access to items using a key, but easy identification of the
 // least-recently-used items for removal.  Each key can only be associated with
 // one payload item at a time.
 //
 // The key object will be stored twice, so it should support efficient copying.
 //
@@ skipping 38 matching lines @@
 
   enum { NO_AUTO_EVICT = 0 };
 
   // The max_size is the size at which the cache will prune its members to when
   // a new item is inserted. If the caller wants to manager this itself (for
   // example, maybe it has special work to do when something is evicted), it
   // can pass NO_AUTO_EVICT to not restrict the cache size.
   explicit MRUCacheBase(size_type max_size) : max_size_(max_size) {
   }
 
+  MRUCacheBase(size_type max_size, const DeletorType& deletor)
+      : max_size_(max_size), deletor_(deletor) {
+  }
+
   virtual ~MRUCacheBase() {
     iterator i = begin();
     while (i != end())
       i = Erase(i);
   }
 
   // Inserts a payload item with the given key. If an existing item has
   // the same key, it is removed prior to insertion. An iterator indicating the
   // inserted item will be returned (this will always be the front of the list).
   //
@@ skipping 174 matching lines @@
       : ParentType(max_size) {
   }
   virtual ~OwningMRUCache() {
   }
 
  private:
   DISALLOW_COPY_AND_ASSIGN(OwningMRUCache);
 };
 
 #endif  // CONTENT_COMMON_MRU_CACHE_H_