GitLab

- message_center::UiController -> ash::MessageCenterUiCiontroller
- message_center::UiDelegate -> ash::MessageCenterUiDelegate

These CL moves these classes into ash/, since they are used only from ash.

Bug: 869278
Test: trybot passes

Change-Id: I15390ba972f5c522c5a95bad8c2e1b6281ee8d24
Reviewed-on: https://chromium-review.googlesource.com/1152756Reviewed-by: Tetsui Ohkubo <tetsui@chromium.org>
Commit-Queue: Yoshiki Iguchi <yoshiki@chromium.org>
Cr-Commit-Position: refs/heads/master@{#580110}