Revert of Move file_handlers API from //chrome to //extensions

chrome/browser/chromeos/file_manager/file_tasks.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 "chrome/browser/chromeos/file_manager/file_tasks.h"
 
 #include <stddef.h>
 
 #include <map>
 
 #include "apps/launcher.h"
 #include "base/bind.h"
 #include "base/macros.h"
 #include "base/strings/string_split.h"
 #include "base/strings/stringprintf.h"
 #include "chrome/browser/chromeos/drive/file_system_util.h"
 #include "chrome/browser/chromeos/drive/file_task_executor.h"
 #include "chrome/browser/chromeos/file_manager/app_id.h"
 #include "chrome/browser/chromeos/file_manager/arc_file_tasks.h"
 #include "chrome/browser/chromeos/file_manager/file_browser_handlers.h"
 #include "chrome/browser/chromeos/file_manager/fileapi_util.h"
 #include "chrome/browser/chromeos/file_manager/open_util.h"
+#include "chrome/browser/extensions/api/file_handlers/mime_util.h"
 #include "chrome/browser/extensions/extension_tab_util.h"
 #include "chrome/browser/extensions/extension_util.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/extensions/application_launch.h"
 #include "chrome/browser/ui/webui/extensions/extension_icon_source.h"
 #include "chrome/common/extensions/api/file_browser_handlers/file_browser_handler.h"
 #include "chrome/common/extensions/api/file_manager_private.h"
 #include "chrome/common/extensions/extension_constants.h"
 #include "chrome/common/pref_names.h"
 #include "chromeos/chromeos_switches.h"
 #include "components/drive/drive_api_util.h"
 #include "components/drive/drive_app_registry.h"
 #include "components/mime_util/mime_util.h"
 #include "components/prefs/pref_service.h"
 #include "components/prefs/scoped_user_pref_update.h"
-#include "extensions/browser/api/file_handlers/mime_util.h"
 #include "extensions/browser/entry_info.h"
 #include "extensions/browser/extension_host.h"
 #include "extensions/browser/extension_registry.h"
 #include "extensions/browser/extension_system.h"
 #include "extensions/browser/extension_util.h"
 #include "extensions/common/constants.h"
 #include "extensions/common/extension_set.h"
 #include "storage/browser/fileapi/file_system_url.h"
 
 using extensions::Extension;
@@ skipping 591 matching lines @@
     DCHECK(!task->is_default());
     if (IsFallbackFileHandler(task->task_descriptor())) {
       task->set_is_default(true);
       return;
     }
   }
 }
 
 }  // namespace file_tasks
 }  // namespace file_manager