Move StringToLowerASCII to base namespace

net/http/http_auth_sspi_win.cc

 // Copyright (c) 2011 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.
 
 // See "SSPI Sample Application" at
 // http://msdn.microsoft.com/en-us/library/aa918273.aspx
 
 #include "net/http/http_auth_sspi_win.h"
 
 #include "base/base64.h"
@@ skipping 211 matching lines @@
 void HttpAuthSSPI::ResetSecurityContext() {
   if (SecIsValidHandle(&ctxt_)) {
     library_->DeleteSecurityContext(&ctxt_);
     SecInvalidateHandle(&ctxt_);
   }
 }
 
 HttpAuth::AuthorizationResult HttpAuthSSPI::ParseChallenge(
     HttpAuthChallengeTokenizer* tok) {
   // Verify the challenge's auth-scheme.
-  if (!LowerCaseEqualsASCII(tok->scheme(), StringToLowerASCII(scheme_).c_str()))
+  if (!LowerCaseEqualsASCII(tok->scheme(),
+                            base::StringToLowerASCII(scheme_).c_str()))
     return HttpAuth::AUTHORIZATION_RESULT_INVALID;
 
   std::string encoded_auth_token = tok->base64_param();
   if (encoded_auth_token.empty()) {
     // If a context has already been established, an empty challenge
     // should be treated as a rejection of the current attempt.
     if (SecIsValidHandle(&ctxt_))
       return HttpAuth::AUTHORIZATION_RESULT_REJECT;
     DCHECK(decoded_server_auth_token_.empty());
     return HttpAuth::AUTHORIZATION_RESULT_ACCEPT;
@@ skipping 175 matching lines @@
   int token_length = pkg_info->cbMaxToken;
   status = library->FreeContextBuffer(pkg_info);
   rv = MapFreeContextBufferStatusToError(status);
   if (rv != OK)
     return rv;
   *max_token_length = token_length;
   return OK;
 }
 
 }  // namespace net