[Cleanup] Remove StringPrintf from global namespace

chrome/browser/ui/autofill/autofill_dialog_models.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 "chrome/browser/ui/autofill/autofill_dialog_models.h"
 
 #include "base/bind.h"
 #include "base/prefs/pref_service.h"
 #include "base/stringprintf.h"
 #include "base/strings/string_number_conversions.h"
@@ skipping 172 matching lines @@
 
 MonthComboboxModel::~MonthComboboxModel() {}
 
 int MonthComboboxModel::GetItemCount() const {
   // 12 months plus the empty entry.
   return 13;
 }
 
 // static
 string16 MonthComboboxModel::FormatMonth(int index) {
-  return ASCIIToUTF16(StringPrintf("%2d", index));
+  return ASCIIToUTF16(base::StringPrintf("%2d", index));
 }
 
 string16 MonthComboboxModel::GetItemAt(int index) {
   return index == 0 ? string16() : FormatMonth(index);
 }
 
 // YearComboboxModel -----------------------------------------------------------
 
 YearComboboxModel::YearComboboxModel() : this_year_(0) {
   base::Time time = base::Time::Now();
@@ skipping 10 matching lines @@
 }
 
 string16 YearComboboxModel::GetItemAt(int index) {
   if (index == 0)
     return string16();
 
   return base::IntToString16(this_year_ + index - 1);
 }
 
 }  // autofill