The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/6a4b20804417e0cdbb4a442a521012f241c51647

commit 6a4b20804417e0cdbb4a442a521012f241c51647
Author: Noel Gordon <noel@chromium.org>
Date: Mon Dec 10 04:49:10 2018

Closure compile content_metadata_provider_unittest

  - remove content_metadata_provider_unittest.html
  - add BUILD rules to auto-generate and compile the unittest
  - Fix Closure compile errors

Bug:  913311 
Change-Id: Ibc20b90bae87e9619d23882dc918dbf0653504a2
Reviewed-on: https://chromium-review.googlesource.com/c/1369544
Reviewed-by: Luciano Pacheco <lucmult@chromium.org>
Commit-Queue: Noel Gordon <noel@chromium.org>
Cr-Commit-Position: refs/heads/master@{#615046}
[modify] https://crrev.com/6a4b20804417e0cdbb4a442a521012f241c51647/chrome/browser/chromeos/file_manager/file_manager_jstest.cc
[modify] https://crrev.com/6a4b20804417e0cdbb4a442a521012f241c51647/ui/file_manager/file_manager/foreground/js/metadata/BUILD.gn
[delete] https://crrev.com/4078dcc31aafc197f97ac909520ad524b46be4f0/ui/file_manager/file_manager/foreground/js/metadata/content_metadata_provider_unittest.html
[modify] https://crrev.com/6a4b20804417e0cdbb4a442a521012f241c51647/ui/file_manager/file_manager/foreground/js/metadata/content_metadata_provider_unittest.js