Revert 257524 "Move IsStringASCII/UTF8 to base namespace."

trunk/src/components/autofill/core/browser/validation.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/autofill/core/browser/validation.h"
 
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/string_piece.h"
 #include "base/strings/string_util.h"
 #include "base/strings/utf_string_conversions.h"
@@ skipping 164 matching lines @@
   //
   // References for current practices:
   //   http://www.socialsecurity.gov/employer/randomization.html
   //   http://www.socialsecurity.gov/employer/randomizationfaqs.html
   //
   // References for historic practices:
   //   http://www.socialsecurity.gov/history/ssn/geocard.html
   //   http://www.socialsecurity.gov/employer/stateweb.htm
   //   http://www.socialsecurity.gov/employer/ssnvhighgroup.htm
 
-  if (number_string.length() != 9 || !base::IsStringASCII(number_string))
+  if (number_string.length() != 9 || !IsStringASCII(number_string))
     return false;
 
   int area;
   if (!base::StringToInt(StringPiece16(number_string.begin(),
                                        number_string.begin() + 3),
                          &area)) {
     return false;
   }
   if (area < 1 ||
       area == 666 ||
@@ skipping 14 matching lines @@
                                        number_string.begin() + 9),
                          &serial)
       || serial == 0) {
     return false;
   }
 
   return true;
 }
 
 }  // namespace autofill