The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/a9a4f34665b9c6022ad095dbf094505ce8e10fff

commit a9a4f34665b9c6022ad095dbf094505ce8e10fff
Author: Noel Gordon <noel@chromium.org>
Date: Fri Nov 23 04:46:34 2018

Add Progress Center's externs file to the BUILD and make it compile

Bug:  907962 
Change-Id: Ia16246c0c4685b07b721e18e48d4c4f23bc210e6
Reviewed-on: https://chromium-review.googlesource.com/c/1349139
Reviewed-by: Stuart Langley <slangley@chromium.org>
Commit-Queue: Noel Gordon <noel@chromium.org>
Cr-Commit-Position: refs/heads/master@{#610534}
[modify] https://crrev.com/a9a4f34665b9c6022ad095dbf094505ce8e10fff/ui/file_manager/file_manager/background/js/BUILD.gn
[modify] https://crrev.com/a9a4f34665b9c6022ad095dbf094505ce8e10fff/ui/file_manager/file_manager/background/js/progress_center.js

I should compile the mock progress center while I am at it.  Patch coming.

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/55e90d76f824128acd550819fa5413a7c35594a2

commit 55e90d76f824128acd550819fa5413a7c35594a2
Author: Noel Gordon <noel@chromium.org>
Date: Fri Nov 23 06:13:28 2018

Closure compile mock_progess_center

Add a work-around for CSSRule.KEYFRAMES_RULE not being defined Closure,
which does not define experimental web features.

No change in behavior, no new tests.

Bug:  907962 
No-presubmit: true
Change-Id: I4dd62588da812dbea641be898cf908056a842257
Reviewed-on: https://chromium-review.googlesource.com/c/1349147
Commit-Queue: Noel Gordon <noel@chromium.org>
Reviewed-by: Stuart Langley <slangley@chromium.org>
Cr-Commit-Position: refs/heads/master@{#610541}
[modify] https://crrev.com/55e90d76f824128acd550819fa5413a7c35594a2/ui/file_manager/file_manager/background/js/BUILD.gn
[modify] https://crrev.com/55e90d76f824128acd550819fa5413a7c35594a2/ui/file_manager/file_manager/foreground/js/ui/progress_center_panel.js