Convert //chrome/browser/extensions from scoped_ptr to std::unique_ptr

chrome/browser/extensions/activity_log/counting_policy.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 CHROME_BROWSER_EXTENSIONS_ACTIVITY_LOG_COUNTING_POLICY_H_
 #define CHROME_BROWSER_EXTENSIONS_ACTIVITY_LOG_COUNTING_POLICY_H_
 
 #include <stdint.h>
 
 #include <string>
@@ skipping 19 matching lines @@
 
   void ProcessAction(scoped_refptr<Action> action) override;
 
   void ReadFilteredData(
       const std::string& extension_id,
       const Action::ActionType type,
       const std::string& api_name,
       const std::string& page_url,
       const std::string& arg_url,
       const int days_ago,
-      const base::Callback<void(scoped_ptr<Action::ActionVector>)>& callback)
-      override;
+      const base::Callback<void(std::unique_ptr<Action::ActionVector>)>&
+          callback) override;
 
   void Close() override;
 
   // Gets or sets the amount of time that old records are kept in the database.
   const base::TimeDelta& retention_time() const { return retention_time_; }
   void set_retention_time(const base::TimeDelta& delta) {
     retention_time_ = delta;
   }
 
   // Remove actions (rows) which IDs are specified in the action_ids array.
@@ skipping 30 matching lines @@
       int,
       ActionComparatorExcludingTimeAndActionId>
       ActionQueue;
 
   // Adds an Action to those to be written out; this is an internal method used
   // by ProcessAction and is called on the database thread.
   void QueueAction(scoped_refptr<Action> action);
 
   // Internal method to read data from the database; called on the database
   // thread.
-  scoped_ptr<Action::ActionVector> DoReadFilteredData(
+  std::unique_ptr<Action::ActionVector> DoReadFilteredData(
       const std::string& extension_id,
       const Action::ActionType type,
       const std::string& api_name,
       const std::string& page_url,
       const std::string& arg_url,
       const int days_ago);
 
   // The implementation of RemoveActions; this must only run on the database
   // thread.
   void DoRemoveActions(const std::vector<int64_t>& action_ids);
@@ skipping 48 matching lines @@
 
   friend class CountingPolicyTest;
   FRIEND_TEST_ALL_PREFIXES(CountingPolicyTest, EarlyFlush);
   FRIEND_TEST_ALL_PREFIXES(CountingPolicyTest, MergingAndExpiring);
   FRIEND_TEST_ALL_PREFIXES(CountingPolicyTest, StringTableCleaning);
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_ACTIVITY_LOG_COUNTING_POLICY_H_