Remove unneeded stringprintf.h usage in chrome/ and net/

chrome/browser/chromeos/login/auth/cryptohome_authenticator_unittest.cc

 // Copyright 2014 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 <stdint.h>
 
 #include <memory>
 #include <string>
 #include <utility>
 #include <vector>
 
 #include "base/command_line.h"
 #include "base/files/file_path.h"
 #include "base/files/file_util.h"
 #include "base/macros.h"
 #include "base/memory/ptr_util.h"
 #include "base/message_loop/message_loop.h"
 #include "base/run_loop.h"
 #include "base/strings/string_util.h"
-#include "base/strings/stringprintf.h"
 #include "chrome/browser/chromeos/login/auth/chrome_cryptohome_authenticator.h"
 #include "chrome/browser/chromeos/login/users/fake_chrome_user_manager.h"
 #include "chrome/browser/chromeos/login/users/scoped_user_manager_enabler.h"
 #include "chrome/browser/chromeos/ownership/owner_settings_service_chromeos.h"
 #include "chrome/browser/chromeos/ownership/owner_settings_service_chromeos_factory.h"
 #include "chrome/browser/chromeos/profiles/profile_helper.h"
 #include "chrome/browser/chromeos/settings/cros_settings.h"
 #include "chrome/browser/chromeos/settings/device_settings_test_helper.h"
 #include "chrome/browser/chromeos/settings/scoped_cros_settings_test_helper.h"
 #include "chrome/test/base/testing_browser_process.h"
@@ skipping 751 matching lines @@
   // pre-hashed key was used to create the cryptohome but without the required
   // salt.
   ExpectGetKeyDataExCall(base::MakeUnique<int64_t>(Key::KEY_TYPE_SALTED_SHA256),
                          std::unique_ptr<std::string>());
 
   auth_->AuthenticateToLogin(NULL, user_context_);
   base::RunLoop().Run();
 }
 
 }  // namespace chromeos