I like this feature!
I'm going to make it clickable when the active volume is Downloads.
For other volumes (e.g. Google Drive, SD card, etc..), I'll keep it unclickable.

pada666@live.ca

A feature request.

Just a link to Storage page required - pure UI request.

Is it a good first bug?

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/6bbcab8d9171a230449b76638c7f8bfe6771197e

commit 6bbcab8d9171a230449b76638c7f8bfe6771197e
Author: Alexey Baskakov <loyso@chromium.org>
Date: Tue Apr 10 05:55:33 2018

FilesApp: Open storage settings on "GB available" click in gear menu.

In the Files App Settings menu, the storage indicator should be clickable
and link to the Settings -> Device -> "Storage management" UI.

Bug:  680347 
Test: Manually tested
Cq-Include-Trybots: master.tryserver.chromium.linux:closure_compilation
Change-Id: I3703b2d94852a3011e7e6d91b2afe010400795b5
Reviewed-on: https://chromium-review.googlesource.com/999240
Commit-Queue: Alexey Baskakov <loyso@chromium.org>
Reviewed-by: Mark Pearson <mpearson@chromium.org>
Reviewed-by: Naoki Fukino <fukino@chromium.org>
Cr-Commit-Position: refs/heads/master@{#549431}
[modify] https://crrev.com/6bbcab8d9171a230449b76638c7f8bfe6771197e/chrome/browser/chromeos/extensions/file_manager/private_api_misc.cc
[modify] https://crrev.com/6bbcab8d9171a230449b76638c7f8bfe6771197e/chrome/browser/chromeos/extensions/file_manager/private_api_misc.h
[modify] https://crrev.com/6bbcab8d9171a230449b76638c7f8bfe6771197e/chrome/common/extensions/api/file_manager_private.idl
[modify] https://crrev.com/6bbcab8d9171a230449b76638c7f8bfe6771197e/extensions/browser/extension_function_histogram_value.h
[modify] https://crrev.com/6bbcab8d9171a230449b76638c7f8bfe6771197e/third_party/closure_compiler/externs/file_manager_private.js
[modify] https://crrev.com/6bbcab8d9171a230449b76638c7f8bfe6771197e/tools/metrics/histograms/enums.xml
[modify] https://crrev.com/6bbcab8d9171a230449b76638c7f8bfe6771197e/ui/file_manager/file_manager/foreground/js/file_manager_commands.js
[modify] https://crrev.com/6bbcab8d9171a230449b76638c7f8bfe6771197e/ui/file_manager/file_manager/foreground/js/gear_menu_controller.js
[modify] https://crrev.com/6bbcab8d9171a230449b76638c7f8bfe6771197e/ui/file_manager/file_manager/foreground/js/ui/files_menu.js
[modify] https://crrev.com/6bbcab8d9171a230449b76638c7f8bfe6771197e/ui/file_manager/file_manager/main.html
[modify] https://crrev.com/6bbcab8d9171a230449b76638c7f8bfe6771197e/ui/file_manager/file_manager/test/js/chrome_file_manager.js