Pass InteractionStats by value

components/password_manager/core/browser/statistics_table.h

 // Copyright 2015 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 COMPONENTS_PASSWORD_MANAGER_CORE_BROWSER_STATISTICS_TABLE_H_
 #define COMPONENTS_PASSWORD_MANAGER_CORE_BROWSER_STATISTICS_TABLE_H_
 
 #include <memory>
 #include <vector>
 
@@ skipping 23 matching lines @@
   int dismissal_count = 0;
 
   // The date when the row was updated.
   base::Time update_time;
 };
 
 bool operator==(const InteractionsStats& lhs, const InteractionsStats& rhs);
 
 // Returns an element from |stats| with |username| or nullptr if not found.
 const InteractionsStats* FindStatsByUsername(
-    const std::vector<const InteractionsStats*>& stats,
+    const std::vector<InteractionsStats>& stats,
     const base::string16& username);
 
 // Represents the 'stats' table in the Login Database.
 class StatisticsTable {
  public:
   StatisticsTable();
   ~StatisticsTable();
 
   // Initializes |db_|.
   void Init(sql::Connection* db);
 
   // Creates the statistics table if it doesn't exist.
   bool CreateTableIfNecessary();
 
   // Migrates this table to |version|. The current version should be less than
   // |version|. Returns false if there was migration work to do and it failed,
   // true otherwise.
   bool MigrateToVersion(int version);
 
   // Adds or replaces the statistics about |stats.origin_domain| and
   // |stats.username_value|.
   bool AddRow(const InteractionsStats& stats);
 
   // Removes the statistics for |domain|. Returns true if the SQL completed
   // successfully.
   bool RemoveRow(const GURL& domain);
 
   // Returns the statistics for |domain| if it exists.
-  std::vector<std::unique_ptr<InteractionsStats>> GetRows(const GURL& domain);
+  std::vector<InteractionsStats> GetRows(const GURL& domain);
 
   // Removes the statistics between the dates. If |origin_filter| is not null,
   // only statistics for matching origins are removed. Returns true if the SQL
   // completed successfully.
   bool RemoveStatsByOriginAndTime(
       const base::Callback<bool(const GURL&)>& origin_filter,
       base::Time delete_begin,
       base::Time delete_end);
 
  private:
   sql::Connection* db_;
 
   DISALLOW_COPY_AND_ASSIGN(StatisticsTable);
 };
 
 }  // namespace password_manager
 
 #endif  // COMPONENTS_PASSWORD_MANAGER_CORE_BROWSER_STATISTICS_TABLE_H_