[Cleanup] Remove StringPrintf from global namespace

components/autofill/browser/wallet/encryption_escrow_client.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/browser/wallet/encryption_escrow_client.h"
 
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/string_number_conversions.h"
 #include "base/stringprintf.h"
@@ skipping 42 matching lines @@
 
 void EncryptionEscrowClient::EncryptOneTimePad(
     const std::vector<uint8>& one_time_pad) {
   DCHECK_EQ(NO_PENDING_REQUEST, request_type_);
   size_t num_bits = one_time_pad.size() * 8;
   DCHECK_LE(num_bits, kMaxBits);
   DCHECK_GE(num_bits, kMinBits);
 
   request_type_ = ENCRYPT_ONE_TIME_PAD;
 
-  std::string post_body = StringPrintf(
+  std::string post_body = base::StringPrintf(
       kEncryptOtpBodyFormat,
       base::HexEncode(&num_bits, 1).c_str(),
       base::HexEncode(&(one_time_pad[0]), one_time_pad.size()).c_str());
 
   MakeRequest(GetEncryptionUrl(), post_body);
 }
 
 void EncryptionEscrowClient::EscrowInstrumentInformation(
     const Instrument& new_instrument,
     const std::string& obfuscated_gaia_id) {
   DCHECK_EQ(NO_PENDING_REQUEST, request_type_);
   request_type_ = ESCROW_INSTRUMENT_INFORMATION;
 
   const std::string& primary_account_number =
       net::EscapeUrlEncodedData(
           UTF16ToUTF8(new_instrument.primary_account_number()), true);
   const std::string& card_verification_number =
       net::EscapeUrlEncodedData(
           UTF16ToUTF8(new_instrument.card_verification_number()), true);
 
-  std::string post_body = StringPrintf(
+  std::string post_body = base::StringPrintf(
       kEscrowInstrumentInformationFormat,
       obfuscated_gaia_id.c_str(),
       primary_account_number.c_str(),
       card_verification_number.c_str());
 
   MakeRequest(GetEscrowUrl(), post_body);
 }
 
 void EncryptionEscrowClient::EscrowCardVerificationNumber(
     const std::string& card_verification_number,
     const std::string& obfuscated_gaia_id) {
   DCHECK_EQ(NO_PENDING_REQUEST, request_type_);
   request_type_ = ESCROW_CARD_VERIFICATION_NUMBER;
 
-  std::string post_body = StringPrintf(
+  std::string post_body = base::StringPrintf(
       kEscrowCardVerficationNumberFormat,
       obfuscated_gaia_id.c_str(),
       card_verification_number.c_str());
 
   MakeRequest(GetEscrowUrl(), post_body);
 }
 
 void EncryptionEscrowClient::MakeRequest(const GURL& url,
                                          const std::string& post_body) {
   DCHECK(!request_.get());
@@ skipping 61 matching lines @@
 }
 
 void EncryptionEscrowClient::HandleMalformedResponse(net::URLFetcher* request) {
   // Called to inform exponential backoff logic of the error.
   request->ReceivedContentWasMalformed();
   observer_->OnMalformedResponse();
 }
 
 }  // namespace wallet
 }  // namespace autofill