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

chrome/browser/media/webrtc/webrtc_log_uploader.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 "chrome/browser/media/webrtc/webrtc_log_uploader.h"
 
 #include <stddef.h>
 #include <utility>
 
 #include "base/files/file_enumerator.h"
 #include "base/files/file_path.h"
 #include "base/files/file_util.h"
 #include "base/logging.h"
 #include "base/pickle.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/string_split.h"
-#include "base/strings/stringprintf.h"
 #include "base/time/time.h"
 #include "build/build_config.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/media/media_url_constants.h"
 #include "chrome/browser/media/webrtc/webrtc_log_list.h"
 #include "chrome/browser/media/webrtc/webrtc_log_util.h"
 #include "chrome/common/partial_circular_buffer.h"
 #include "components/version_info/version_info.h"
 #include "content/public/browser/browser_thread.h"
 #include "net/base/mime_util.h"
@@ skipping 564 matching lines @@
     std::string error_message;
     if (!success) {
       error_message = "Uploading failed, response code: " +
                       base::IntToString(response_code);
     }
     BrowserThread::PostTask(BrowserThread::UI, FROM_HERE,
                             base::Bind(upload_done_data.callback, success,
                                        report_id, error_message));
   }
 }