Replace scoped_ptr with std::unique_ptr in //ui

ui/app_list/search/history_data.h

 // Copyright 2013 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 UI_APP_LIST_SEARCH_HISTORY_DATA_H_
 #define UI_APP_LIST_SEARCH_HISTORY_DATA_H_
 
 #include <stddef.h>
 
 #include <deque>
 #include <map>
+#include <memory>
 #include <string>
 
 #include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "base/observer_list.h"
 #include "base/time/time.h"
 #include "ui/app_list/app_list_export.h"
 #include "ui/app_list/search/history_types.h"
 
 namespace app_list {
 
 class HistoryDataObserver;
 class HistoryDataStore;
@@ skipping 35 matching lines @@
   HistoryData(HistoryDataStore* store,
               size_t max_primary,
               size_t max_secondary);
   ~HistoryData();
 
   // Adds an association.
   void Add(const std::string& query, const std::string& result_id);
 
   // Gets all known search results that were launched using the given |query|
   // or the queries that |query| is a prefix of.
-  scoped_ptr<KnownResults> GetKnownResults(const std::string& query) const;
+  std::unique_ptr<KnownResults> GetKnownResults(const std::string& query) const;
 
   void AddObserver(HistoryDataObserver* observer);
   void RemoveObserver(HistoryDataObserver* observer);
 
   const Associations& associations() const { return associations_; }
 
  private:
   // Invoked from |store| with loaded data.
-  void OnStoreLoaded(scoped_ptr<Associations> loaded_data);
+  void OnStoreLoaded(std::unique_ptr<Associations> loaded_data);
 
   // Trims the data to keep the most recent |max_primary_| queries.
   void TrimEntries();
 
   HistoryDataStore* store_;  // Not owned.
   const size_t max_primary_;
   const size_t max_secondary_;
   base::ObserverList<HistoryDataObserver, true> observers_;
 
   Associations associations_;
 
   DISALLOW_COPY_AND_ASSIGN(HistoryData);
 };
 
 }  // namespace app_list
 
 #endif  // UI_APP_LIST_SEARCH_HISTORY_DATA_H_