Reverting 8180.

base/revocable_store.h

 // Copyright (c) 2006-2008 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 BASE_REVOCABLE_STORE_H__
 #define BASE_REVOCABLE_STORE_H__
 
 #include "base/basictypes.h"
 #include "base/logging.h"
 #include "base/ref_counted.h"
 
 // |RevocableStore| is a container of items that can be removed from the store.
 class RevocableStore {
  public:
   // A |StoreRef| is used to link the |RevocableStore| to its items.  There is
   // one StoreRef per store, and each item holds a reference to it.  If the
   // store wishes to revoke its items, it sets |store_| to null.  Items are
   // permitted to release their reference to the |StoreRef| when they no longer
   // require the store.
-  class StoreRef : public base::RefCounted<StoreRef> {
+  class StoreRef : public base::RefCountedThreadSafe<StoreRef> {
    public:
     StoreRef(RevocableStore* store) : store_(store) { }
 
     void set_store(RevocableStore* store) { store_ = store; }
     RevocableStore* store() const { return store_; }
 
    private:
     RevocableStore* store_;
 
     DISALLOW_EVIL_CONSTRUCTORS(StoreRef);
@@ skipping 37 matching lines @@
   scoped_refptr<StoreRef> owning_reference_;
 
   // The number of unrevoked items in the store.
   int count_;
 
   DISALLOW_EVIL_CONSTRUCTORS(RevocableStore);
 };
 
 #endif  // BASE_REVOCABLE_STORE_H__