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Add JS modules for //ui/file_manager/file_manager/foreground/js/ :
- task_history.js
- quick_view_model.js
- metadata_update_controller.js
- last_modified_controller.js

Add JS modules for //ui/file_manager/file_manager/foreground/js/ui/ :
- actions_submenu.js
- actions_submenu_unittest.m.js

Remove tearDown() from actions_submmenu_unittest because now the setUp()
always replace the whole DOM content, so the DOM reset in tearDown()
isn't necessary anymore.

Bug: 1133186
Change-Id: I8ca80a94dd2be9e5f354bcc54b6883b8df3cedd5
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2626678
Commit-Queue: Luciano Pacheco <lucmult@chromium.org>
Reviewed-by: Jeremie Boulic <jboulic@chromium.org>
Cr-Commit-Position: refs/heads/master@{#842918}