Remove stl_util's deletion functions from chromeos/.

chrome/browser/chromeos/system/timezone_util.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 "chrome/browser/chromeos/system/timezone_util.h"
 
 #include <stddef.h>
 
 #include <memory>
 #include <string>
@@ skipping 131 matching lines @@
   return result;
 }
 
 }  // namespace
 
 namespace chromeos {
 namespace system {
 
 // Creates a list of pairs of each timezone's ID and name.
 std::unique_ptr<base::ListValue> GetTimezoneList() {
-  const std::vector<icu::TimeZone*> &timezones =
+  const auto& timezones =
       chromeos::system::TimezoneSettings::GetInstance()->GetTimezoneList();
   std::unique_ptr<base::ListValue> timezoneList(new base::ListValue());
-  for (std::vector<icu::TimeZone*>::const_iterator iter = timezones.begin();
-       iter != timezones.end(); ++iter) {
-    const icu::TimeZone* timezone = *iter;
+  for (const auto& timezone : timezones) {
     auto option = base::MakeUnique<base::ListValue>();
     option->AppendString(
         chromeos::system::TimezoneSettings::GetTimezoneID(*timezone));
     option->AppendString(GetTimezoneName(*timezone));
     timezoneList->Append(std::move(option));
   }
   return timezoneList;
 }
 
 bool HasSystemTimezonePolicy() {
@@ skipping 24 matching lines @@
     VLOG(1) << "Refresh TimeZone: setting timezone to '" << timezone->timeZoneId
             << "'";
 
     chromeos::system::TimezoneSettings::GetInstance()->SetTimezoneFromID(
         base::UTF8ToUTF16(timezone->timeZoneId));
   }
 }
 
 }  // namespace system
 }  // namespace chromeos