Move RemoveChars, ReplaceChars, TrimString, and TruncateUTF8ToByteSize to base namespace.

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 139 matching lines @@
          !state_names::GetNameForAbbreviation(text).empty();
 }
 
 bool IsValidZip(const base::string16& text) {
   const base::string16 kZipPattern = ASCIIToUTF16("^\\d{5}(-\\d{4})?$");
   return MatchesPattern(text, kZipPattern);
 }
 
 bool IsSSN(const string16& text) {
   string16 number_string;
-  RemoveChars(text, kSSNSeparators, &number_string);
+  base::RemoveChars(text, kSSNSeparators, &number_string);
 
   // A SSN is of the form AAA-GG-SSSS (A = area number, G = group number, S =
   // serial number). The validation we do here is simply checking if the area,
   // group, and serial numbers are valid.
   //
   // Historically, the area number was assigned per state, with the group number
   // ascending in an alternating even/odd sequence. With that scheme it was
   // possible to check for validity by referencing a table that had the highest
   // group number assigned for a given area number. (This was something that
   // Chromium never did though, because the "high group" values were constantly
@@ skipping 40 matching lines @@
                                        number_string.begin() + 9),
                          &serial)
       || serial == 0) {
     return false;
   }
 
   return true;
 }
 
 }  // namespace autofill