net: Update the include paths of base/string_piece.h to its new location.

net/cert/x509_util_openssl.cc

 // Copyright (c) 2012 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 "net/cert/x509_util.h"
 #include "net/cert/x509_util_openssl.h"
 
 #include <algorithm>
 
 #include "base/logging.h"
-#include "base/string_piece.h"
+#include "base/strings/string_piece.h"
 #include "net/cert/x509_cert_types.h"
 
 namespace net {
 
 namespace x509_util {
 
 bool IsSupportedValidityRange(base::Time not_valid_before,
                               base::Time not_valid_after) {
   if (not_valid_before > not_valid_after)
     return false;
@@ skipping 88 matching lines @@
                              x509_time->length);
 
   CertDateFormat format = x509_time->type == V_ASN1_UTCTIME ?
       CERT_DATE_FORMAT_UTC_TIME : CERT_DATE_FORMAT_GENERALIZED_TIME;
   return ParseCertificateDate(str_date, format, time);
 }
 
 }  // namespace x509_util
 
 }  // namespace net