Update some uses of char16 to use the base:: namespace.

components/autofill/core/browser/credit_card.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/credit_card.h"
 
 #include <stddef.h>
 
 #include <algorithm>
 #include <ostream>
@@ skipping 21 matching lines @@
 // TODO(blundell): Eliminate the need for this conditional include.
 // crbug.com/328150
 #if !defined(OS_IOS)
 #include "grit/webkit_resources.h"
 #endif
 
 namespace autofill {
 
 namespace {
 
-const char16 kCreditCardObfuscationSymbol = '*';
+const base::char16 kCreditCardObfuscationSymbol = '*';
 
 // This is the maximum obfuscated symbols displayed.
 // It is introduced to avoid rare cases where the credit card number is
 // too large and fills the screen.
 const size_t kMaxObfuscationSize = 20;
 
 bool ConvertYear(const base::string16& year, int* num) {
   // If the |year| is empty, clear the stored value.
   if (year.empty()) {
     *num = 0;
@@ skipping 645 matching lines @@
 const char* const kAmericanExpressCard = "americanExpressCC";
 const char* const kDinersCard = "dinersCC";
 const char* const kDiscoverCard = "discoverCC";
 const char* const kGenericCard = "genericCC";
 const char* const kJCBCard = "jcbCC";
 const char* const kMasterCard = "masterCardCC";
 const char* const kUnionPay = "unionPayCC";
 const char* const kVisaCard = "visaCC";
 
 }  // namespace autofill