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

chrome/browser/chromeos/login/signin/token_handle_util.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 CHROME_BROWSER_CHROMEOS_LOGIN_SIGNIN_TOKEN_HANDLE_UTIL_H_
 #define CHROME_BROWSER_CHROMEOS_LOGIN_SIGNIN_TOKEN_HANDLE_UTIL_H_
 
 #include <string>
 
 #include "base/callback.h"
@@ skipping 50 matching lines @@
   class TokenDelegate : public gaia::GaiaOAuthClient::Delegate {
    public:
     TokenDelegate(const base::WeakPtr<TokenHandleUtil>& owner,
                   const AccountId& account_id,
                   const std::string& token,
                   const TokenValidationCallback& callback);
     ~TokenDelegate() override;
     void OnOAuthError() override;
     void OnNetworkError(int response_code) override;
     void OnGetTokenInfoResponse(
-        scoped_ptr<base::DictionaryValue> token_info) override;
+        std::unique_ptr<base::DictionaryValue> token_info) override;
     void NotifyDone();
 
    private:
     base::WeakPtr<TokenHandleUtil> owner_;
     AccountId account_id_;
     std::string token_;
     base::TimeTicks tokeninfo_response_start_time_;
     TokenValidationCallback callback_;
 
     DISALLOW_COPY_AND_ASSIGN(TokenDelegate);
   };
 
   void OnValidationComplete(const std::string& token);
   void OnObtainTokenComplete(const AccountId& account_id);
 
   // Map of pending check operations.
-  base::ScopedPtrHashMap<std::string, scoped_ptr<TokenDelegate>>
+  base::ScopedPtrHashMap<std::string, std::unique_ptr<TokenDelegate>>
       validation_delegates_;
 
   // Map of pending obtain operations.
-  base::ScopedPtrHashMap<AccountId, scoped_ptr<TokenDelegate>>
+  base::ScopedPtrHashMap<AccountId, std::unique_ptr<TokenDelegate>>
       obtain_delegates_;
 
   // Instance of GAIA Client.
-  scoped_ptr<gaia::GaiaOAuthClient> gaia_client_;
+  std::unique_ptr<gaia::GaiaOAuthClient> gaia_client_;
 
   base::WeakPtrFactory<TokenHandleUtil> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(TokenHandleUtil);
 };
 
 #endif  // CHROME_BROWSER_CHROMEOS_LOGIN_SIGNIN_TOKEN_HANDLE_UTIL_H_