Pass InteractionStats by value

components/password_manager/core/browser/statistics_table.h

Index: components/password_manager/core/browser/statistics_table.h
diff --git a/components/password_manager/core/browser/statistics_table.h b/components/password_manager/core/browser/statistics_table.h
index eefa3b45a7de835aa9ce6b9723c07ae281e3fa7f..57d707083dbd07292630ba7d11a7e6b4b9ff9e4a 100644
--- a/components/password_manager/core/browser/statistics_table.h
+++ b/components/password_manager/core/browser/statistics_table.h
@@ -41,7 +41,7 @@ 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.
@@ -70,7 +70,7 @@ class StatisticsTable {
   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