The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/c7b92666d510df1c3f33db9ec6cc9b17b8d5360a

commit c7b92666d510df1c3f33db9ec6cc9b17b8d5360a
Author: edcourtney <edcourtney@chromium.org>
Date: Tue Feb 14 05:36:53 2017

Add UpdateNotificationSize to MessageCenterController.

ArcCustomNotificationView can have its underlying surface change size
without a notification update happening afterwards. So, add a method to
force re-layout of it.

BUG= 690813 

Review-Url: https://codereview.chromium.org/2685283002
Cr-Commit-Position: refs/heads/master@{#450270}

[modify] https://crrev.com/c7b92666d510df1c3f33db9ec6cc9b17b8d5360a/ui/message_center/views/custom_notification_view.cc
[modify] https://crrev.com/c7b92666d510df1c3f33db9ec6cc9b17b8d5360a/ui/message_center/views/custom_notification_view.h
[modify] https://crrev.com/c7b92666d510df1c3f33db9ec6cc9b17b8d5360a/ui/message_center/views/custom_notification_view_unittest.cc
[modify] https://crrev.com/c7b92666d510df1c3f33db9ec6cc9b17b8d5360a/ui/message_center/views/message_center_controller.h
[modify] https://crrev.com/c7b92666d510df1c3f33db9ec6cc9b17b8d5360a/ui/message_center/views/message_center_view.cc
[modify] https://crrev.com/c7b92666d510df1c3f33db9ec6cc9b17b8d5360a/ui/message_center/views/message_center_view.h
[modify] https://crrev.com/c7b92666d510df1c3f33db9ec6cc9b17b8d5360a/ui/message_center/views/message_center_view_unittest.cc
[modify] https://crrev.com/c7b92666d510df1c3f33db9ec6cc9b17b8d5360a/ui/message_center/views/message_list_view_unittest.cc
[modify] https://crrev.com/c7b92666d510df1c3f33db9ec6cc9b17b8d5360a/ui/message_center/views/message_popup_collection.cc
[modify] https://crrev.com/c7b92666d510df1c3f33db9ec6cc9b17b8d5360a/ui/message_center/views/message_popup_collection.h
[modify] https://crrev.com/c7b92666d510df1c3f33db9ec6cc9b17b8d5360a/ui/message_center/views/notification_view_unittest.cc
[modify] https://crrev.com/c7b92666d510df1c3f33db9ec6cc9b17b8d5360a/ui/message_center/views/toast_contents_view.cc
[modify] https://crrev.com/c7b92666d510df1c3f33db9ec6cc9b17b8d5360a/ui/message_center/views/toast_contents_view.h