Replace ToLower calls to the new format

components/policy/core/common/preg_parser_win.cc

 // Copyright (c) 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 "components/policy/core/common/preg_parser_win.h"
 
 #include <windows.h>
 
 #include <algorithm>
 #include <iterator>
@@ skipping 168 matching lines @@
 
   std::string value_name(base::UTF16ToUTF8(value));
   if (!base::StartsWith(value_name, kActionTriggerPrefix,
                         base::CompareCase::SENSITIVE)) {
     scoped_ptr<base::Value> value;
     if (DecodePRegValue(type, data, &value))
       dict->SetValue(value_name, value.Pass());
     return;
   }
 
-  std::string action_trigger(base::StringToLowerASCII(value_name.substr(
+  std::string action_trigger(base::ToLowerASCII(value_name.substr(
       arraysize(kActionTriggerPrefix) - 1)));
   if (action_trigger == kActionTriggerDeleteValues) {
     for (const std::string& value :
          base::SplitString(DecodePRegStringValue(data), ";",
                            base::KEEP_WHITESPACE, base::SPLIT_WANT_NONEMPTY))
       dict->RemoveValue(value);
   } else if (base::StartsWith(action_trigger, kActionTriggerDeleteKeys,
                               base::CompareCase::SENSITIVE)) {
     for (const std::string& key :
          base::SplitString(DecodePRegStringValue(data), ";",
@@ skipping 106 matching lines @@
   }
 
   LOG(ERROR) << "Error parsing " << file_path.value() << " at offset "
              << reinterpret_cast<const uint8*>(cursor - 1) - mapped_file.data();
   status->Add(POLICY_LOAD_STATUS_PARSE_ERROR);
   return false;
 }
 
 }  // namespace preg_parser
 }  // namespace policy