Update some uses of UTF conversions in chrome/browser to use the base:: namespace.

chrome/browser/ui/autofill/data_model_wrapper_unittest.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 "base/memory/scoped_ptr.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/browser/ui/autofill/autofill_dialog_models.h"
 #include "chrome/browser/ui/autofill/data_model_wrapper.h"
 #include "components/autofill/content/browser/wallet/wallet_items.h"
 #include "components/autofill/content/browser/wallet/wallet_test_util.h"
 #include "components/autofill/core/browser/autofill_profile.h"
 #include "components/autofill/core/browser/autofill_test_utils.h"
 #include "components/autofill/core/browser/credit_card.h"
 #include "components/autofill/core/browser/field_types.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
+using base::ASCIIToUTF16;
+
 namespace autofill {
 
 TEST(AutofillCreditCardWrapperTest, GetInfoCreditCardExpMonth) {
   CreditCard card;
   MonthComboboxModel model;
   for (int month = 1; month <= 12; ++month) {
     card.SetRawInfo(CREDIT_CARD_EXP_MONTH, base::IntToString16(month));
     AutofillCreditCardWrapper wrapper(&card);
     EXPECT_EQ(model.GetItemAt(month),
               wrapper.GetInfo(AutofillType(CREDIT_CARD_EXP_MONTH)));
@@ skipping 155 matching lines @@
   outputs[inputs[0].type] = ASCIIToUTF16("123 billing street");
   outputs[inputs[1].type] = ASCIIToUTF16("123 shipping street");
 
   FieldMapWrapper wrapper(outputs);
   wrapper.FillInputs(&inputs);
 
   EXPECT_NE(inputs[0].initial_value, inputs[1].initial_value);
 }
 
 }  // namespace autofill