Move StringToLowerASCII to base namespace

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 1569 matching lines @@
 
     bool has_no_store_header = false;
     std::string cache_control =
         response.httpHeaderField("cache-control").utf8();
 
     std::vector<std::string> values;
     base::SplitString(cache_control, ',', &values);
     for (std::vector<std::string>::const_iterator it = values.begin();
          it != values.end();
          ++it) {
-      if (StringToLowerASCII(*it) == "no-store")
+      if (base::StringToLowerASCII(*it) == "no-store")
         has_no_store_header = true;
     }
 
     GetNexeFd(instance_,
               pexe_url_,
               pexe_opt_level_,
               last_modified_time,
               etag,
               has_no_store_header,
               base::Bind(&PexeDownloader::didGetNexeFd,
@@ skipping 143 matching lines @@
   &StreamPexe
 };
 
 }  // namespace
 
 const PPB_NaCl_Private* GetNaClPrivateInterface() {
   return &nacl_interface;
 }
 
 }  // namespace nacl