Revert of Remove header dependencies from sequence_checker.h to sequenced_worker_pool.h

chrome/browser/android/shortcut_helper.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/android/shortcut_helper.h"
 
 #include <jni.h>
 #include <utility>
 
 #include "base/android/jni_android.h"
 #include "base/android/jni_array.h"
 #include "base/android/jni_string.h"
 #include "base/bind.h"
 #include "base/callback.h"
 #include "base/command_line.h"
 #include "base/strings/string16.h"
 #include "base/strings/utf_string_conversions.h"
-#include "base/threading/sequenced_worker_pool.h"
 #include "chrome/browser/android/webapk/chrome_webapk_host.h"
 #include "chrome/browser/android/webapk/webapk_install_service.h"
 #include "chrome/browser/manifest/manifest_icon_downloader.h"
 #include "chrome/common/chrome_switches.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/web_contents.h"
 #include "jni/ShortcutHelper_jni.h"
 #include "ui/gfx/android/java_bitmap.h"
 #include "ui/gfx/color_analysis.h"
 #include "url/gurl.h"
@@ skipping 319 matching lines @@
 
   ShortcutHelper::WebApkInfoCallback* webapk_list_callback =
       reinterpret_cast<ShortcutHelper::WebApkInfoCallback*>(jcallback_pointer);
   webapk_list_callback->Run(webapk_list);
   delete webapk_list_callback;
 }
 
 bool ShortcutHelper::RegisterShortcutHelper(JNIEnv* env) {
   return RegisterNativesImpl(env);
 }