Convert //chrome from scoped_ptr to std::unique_ptr

chrome/browser/browsing_data/cookies_tree_model.h

 // 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.
 
 #ifndef CHROME_BROWSER_BROWSING_DATA_COOKIES_TREE_MODEL_H_
 #define CHROME_BROWSER_BROWSING_DATA_COOKIES_TREE_MODEL_H_
 
 // TODO(viettrungluu): This header file #includes far too much and has too much
 // inline code (which shouldn't be inline).
 
 #include <list>
+#include <memory>
 #include <string>
 #include <vector>
 
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
-#include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "base/observer_list.h"
 #include "base/strings/string16.h"
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/browser/browsing_data/browsing_data_appcache_helper.h"
 #include "chrome/browser/browsing_data/browsing_data_cache_storage_helper.h"
 #include "chrome/browser/browsing_data/browsing_data_database_helper.h"
 #include "chrome/browser/browsing_data/browsing_data_file_system_helper.h"
 #include "chrome/browser/browsing_data/browsing_data_indexed_db_helper.h"
 #include "chrome/browser/browsing_data/browsing_data_local_storage_helper.h"
@@ skipping 847 matching lines @@
 
   // Counts how many batches have started already. If this is non-zero and lower
   // than batches_ended_, then this model is still batching updates.
   int batches_started_ = 0;
 
   // Counts how many batches have finished.
   int batches_ended_ = 0;
 };
 
 #endif  // CHROME_BROWSER_BROWSING_DATA_COOKIES_TREE_MODEL_H_