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

chrome/browser/ssl/captive_portal_blocking_page_browsertest.cc

 // Copyright 2015 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 "chrome/browser/ssl/captive_portal_blocking_page.h"
 
 #include <string>
 #include <utility>
 
 #include "base/callback.h"
 #include "base/logging.h"
 #include "base/macros.h"
 #include "base/run_loop.h"
-#include "base/strings/stringprintf.h"
 #include "chrome/browser/interstitials/security_interstitial_page_test_utils.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ssl/cert_report_helper.h"
 #include "chrome/browser/ssl/certificate_reporting_test_utils.h"
 #include "chrome/browser/ssl/security_state_tab_helper.h"
 #include "chrome/browser/ssl/ssl_cert_reporter.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/tabs/tab_strip_model.h"
 #include "chrome/common/pref_names.h"
 #include "chrome/test/base/in_process_browser_test.h"
@@ skipping 311 matching lines @@
             false, "");
     return blocking_page;
   }
 };
 
 // Test that an IDN login domain is decoded properly.
 IN_PROC_BROWSER_TEST_F(CaptivePortalBlockingPageIDNTest,
                        ShowLoginIDNIfPortalRedirectsDetectionURL) {
   EXPECT_TRUE(VerifyIDNDecoded());
 }