Cleanup some duplicated includes.

chrome/browser/shell_integration_linux.cc

 // Copyright (c) 2010 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/shell_integration.h"
 
 #include <fcntl.h>
 #include <stdlib.h>
 #include <sys/stat.h>
 #include <sys/types.h>
@@ skipping 10 matching lines @@
 #include "base/i18n/file_util_icu.h"
 #include "base/message_loop.h"
 #include "base/path_service.h"
 #include "base/process_util.h"
 #include "base/scoped_temp_dir.h"
 #include "base/string_number_conversions.h"
 #include "base/string_tokenizer.h"
 #include "base/string_util.h"
 #include "base/task.h"
 #include "base/thread.h"
-#include "base/string_number_conversions.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/common/chrome_constants.h"
 #include "chrome/common/chrome_paths.h"
 #include "chrome/common/chrome_plugin_util.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/browser/chrome_thread.h"
 #include "gfx/codec/png_codec.h"
 #include "googleurl/src/gurl.h"
 
@@ skipping 339 matching lines @@
   std::string contents = GetDesktopFileContents(
       shortcut_template, shortcut_info.url, shortcut_info.extension_id,
       shortcut_info.title, icon_name);
 
   if (shortcut_info.create_on_desktop)
     CreateShortcutOnDesktop(shortcut_filename, contents);
 
   if (shortcut_info.create_in_applications_menu)
     CreateShortcutInApplicationsMenu(shortcut_filename, contents);
 }