Convert //base to use std::unique_ptr

base/i18n/timezone.cc

 // 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.
 
 #include "base/i18n/timezone.h"
 
 #include <stddef.h>
 #include <string.h>
 
 #include <map>
@@ skipping 589 matching lines @@
     }
   };
   std::map<const char*, const char*, CompareCStrings> map_;
 
   DISALLOW_COPY_AND_ASSIGN(TimezoneMap);
 };
 
 }  // namespace
 
 std::string CountryCodeForCurrentTimezone() {
-  scoped_ptr<icu::TimeZone> zone(icu::TimeZone::createDefault());
+  std::unique_ptr<icu::TimeZone> zone(icu::TimeZone::createDefault());
   icu::UnicodeString id;
   zone->getID(id);
   string16 olson_code(id.getBuffer(), id.length());
   return TimezoneMap::GetInstance()->CountryCodeForTimezone(
       UTF16ToUTF8(olson_code));
 }
 
 }  // namespace base