RefCounted types should not have public destructors, chrome/ remaining parts

chrome/common/json_pref_store.cc

 // Copyright (c) 2012 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.
 
 #include "chrome/common/json_pref_store.h"
 
 #include <algorithm>
 
 #include "base/bind.h"
 #include "base/callback.h"
@@ skipping 61 matching lines @@
   }
 
   static void HandleErrors(const Value* value,
                            const FilePath& path,
                            int error_code,
                            const std::string& error_msg,
                            PersistentPrefStore::PrefReadError* error);
 
  private:
   friend class base::RefCountedThreadSafe<FileThreadDeserializer>;
+  ~FileThreadDeserializer() {}
 
   bool no_dir_;
   PersistentPrefStore::PrefReadError error_;
   scoped_ptr<Value> value_;
   scoped_refptr<JsonPrefStore> delegate_;
   scoped_refptr<base::MessageLoopProxy> file_loop_proxy_;
   scoped_refptr<base::MessageLoopProxy> origin_loop_proxy_;
 };
 
 // static
@@ skipping 213 matching lines @@
 }
 
 bool JsonPrefStore::SerializeData(std::string* output) {
   // TODO(tc): Do we want to prune webkit preferences that match the default
   // value?
   JSONStringValueSerializer serializer(output);
   serializer.set_pretty_print(true);
   scoped_ptr<DictionaryValue> copy(prefs_->DeepCopyWithoutEmptyChildren());
   return serializer.Serialize(*(copy.get()));
 }