[Cleanup] Remove StringPrintf from global namespace

google_apis/gaia/oauth2_mint_token_flow.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 "google_apis/gaia/oauth2_mint_token_flow.h"
 
 #include <string>
 #include <vector>
 
 #include "base/basictypes.h"
@@ skipping 121 matching lines @@
 
 std::string OAuth2MintTokenFlow::CreateApiCallBody() {
   const char* force_value =
       (parameters_.mode == MODE_MINT_TOKEN_FORCE ||
        parameters_.mode == MODE_RECORD_GRANT)
           ? kForceValueTrue : kForceValueFalse;
   const char* response_type_value =
       (parameters_.mode == MODE_MINT_TOKEN_NO_FORCE ||
        parameters_.mode == MODE_MINT_TOKEN_FORCE)
           ? kResponseTypeValueToken : kResponseTypeValueNone;
-  return StringPrintf(
+  return base::StringPrintf(
       kOAuth2IssueTokenBodyFormat,
       net::EscapeUrlEncodedData(force_value, true).c_str(),
       net::EscapeUrlEncodedData(response_type_value, true).c_str(),
       net::EscapeUrlEncodedData(
           JoinString(parameters_.scopes, ' '), true).c_str(),
       net::EscapeUrlEncodedData(parameters_.client_id, true).c_str(),
       net::EscapeUrlEncodedData(parameters_.extension_id, true).c_str());
 }
 
 void OAuth2MintTokenFlow::ProcessApiCallSuccess(
@@ skipping 86 matching lines @@
     for (size_t i = 0; i < entry.details.size(); i++)
       TrimWhitespace(entry.details[i], TRIM_ALL, &entry.details[i]);
     issue_advice->push_back(entry);
   }
 
   if (!success)
     issue_advice->clear();
 
   return success;
 }