Remove stl_util's STLDeleteContainerPairSecondPointers.

chrome/browser/signin/easy_unlock_service_signin_chromeos.h

 // Copyright 2014 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_SIGNIN_EASY_UNLOCK_SERVICE_SIGNIN_CHROMEOS_H_
 #define CHROME_BROWSER_SIGNIN_EASY_UNLOCK_SERVICE_SIGNIN_CHROMEOS_H_
 
 #include <map>
 #include <memory>
 #include <string>
@@ skipping 113 matching lines @@
                         const chromeos::EasyUnlockDeviceKeyDataList& data);
 
   // If the device data has been loaded for the current user, returns it.
   // Otherwise, returns NULL.
   const UserData* FindLoadedDataForCurrentUser() const;
 
   // User id of the user currently associated with the service.
   AccountId account_id_;
 
   // Maps account ids to their fetched cryptohome key data.
-  std::map<AccountId, UserData*> user_data_;
+  std::map<AccountId, std::unique_ptr<UserData>> user_data_;
 
   // Whether failed attempts to load user data should be retried.
   // This is to handle case where cryptohome daemon is not started in time the
   // service attempts to load some data. Retries will be allowed only until the
   // first data load finishes (even if it fails).
   bool allow_cryptohome_backoff_ = true;
 
   // Whether the service has been successfully initialized, and has not been
   // shut down.
   bool service_active_ = false;
 
   // The timestamp for the most recent time when a user pod was focused.
   base::TimeTicks user_pod_last_focused_timestamp_;
 
   // Handles wrapping the user's challenge with the TPM.
   std::unique_ptr<chromeos::EasyUnlockChallengeWrapper> challenge_wrapper_;
 
   base::WeakPtrFactory<EasyUnlockServiceSignin> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(EasyUnlockServiceSignin);
 };
 
 #endif  // CHROME_BROWSER_SIGNIN_EASY_UNLOCK_SERVICE_SIGNIN_CHROMEOS_H_