Replace ToLower calls to the new format

components/nacl/renderer/ppb_nacl_private_impl.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 "components/nacl/renderer/ppb_nacl_private_impl.h"
 
 #include <numeric>
 #include <string>
 #include <vector>
 
@@ skipping 1541 matching lines @@
         response.httpHeaderField("last-modified").utf8();
     base::Time last_modified_time;
     base::Time::FromString(last_modified.c_str(), &last_modified_time);
 
     bool has_no_store_header = false;
     std::string cache_control =
         response.httpHeaderField("cache-control").utf8();
 
     for (const std::string& cur : base::SplitString(
              cache_control, ",", base::TRIM_WHITESPACE, base::SPLIT_WANT_ALL)) {
-      if (base::StringToLowerASCII(cur) == "no-store")
+      if (base::ToLowerASCII(cur) == "no-store")
         has_no_store_header = true;
     }
 
     GetNexeFd(
         instance_, pexe_url_, pexe_opt_level_, last_modified_time, etag,
         has_no_store_header, use_subzero_,
         base::Bind(&PexeDownloader::didGetNexeFd, weak_factory_.GetWeakPtr()));
   }
 
   void didGetNexeFd(int32_t pp_error,
@@ skipping 129 matching lines @@
   &StreamPexe
 };
 
 }  // namespace
 
 const PPB_NaCl_Private* GetNaClPrivateInterface() {
   return &nacl_interface;
 }
 
 }  // namespace nacl