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

chrome/browser/signin/signin_manager_unittest.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 "components/signin/core/browser/signin_manager.h"
 
 #include <memory>
 #include <utility>
 #include <vector>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/compiler_specific.h"
 #include "base/memory/ptr_util.h"
 #include "base/run_loop.h"
-#include "base/strings/stringprintf.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/chrome_notification_types.h"
 #include "chrome/browser/prefs/browser_prefs.h"
 #include "chrome/browser/signin/account_fetcher_service_factory.h"
 #include "chrome/browser/signin/account_tracker_service_factory.h"
 #include "chrome/browser/signin/chrome_signin_client_factory.h"
 #include "chrome/browser/signin/fake_account_fetcher_service_builder.h"
 #include "chrome/browser/signin/fake_profile_oauth2_token_service_builder.h"
 #include "chrome/browser/signin/gaia_cookie_manager_service_factory.h"
 #include "chrome/browser/signin/profile_oauth2_token_service_factory.h"
@@ skipping 562 matching lines @@
 
     EXPECT_EQ(gaia_id, manager_->GetAuthenticatedAccountId());
     EXPECT_EQ(gaia_id, profile()->GetPrefs()->GetString(
                            prefs::kGoogleServicesAccountId));
 
     base::RunLoop().RunUntilIdle();
     EXPECT_EQ(AccountTrackerService::MIGRATION_DONE,
               tracker->GetMigrationState());
   }
 }