The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/f16e90904fb2df1866eb8580543c32528e557a60

commit f16e90904fb2df1866eb8580543c32528e557a60
Author: yoshiki iguchi <yoshiki@chromium.org>
Date: Fri Aug 25 06:54:38 2017

Change the notification small image size to 18px

In new-style notification, the small image size should be 18px (see the mock).

Bug:  758814 
Change-Id: Iaf92d4241da77bedea7c7649b7ddfcec5de2a1da
Reviewed-on: https://chromium-review.googlesource.com/633322
Commit-Queue: Yoshiki Iguchi <yoshiki@chromium.org>
Reviewed-by: Naoki Fukino <fukino@chromium.org>
Cr-Commit-Position: refs/heads/master@{#497340}
[modify] https://crrev.com/f16e90904fb2df1866eb8580543c32528e557a60/ui/message_center/message_center_style.h
[modify] https://crrev.com/f16e90904fb2df1866eb8580543c32528e557a60/ui/message_center/views/notification_header_view.cc

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/94fb7310f6b7f6156e57cac956d4e5b207a09a13

commit 94fb7310f6b7f6156e57cac956d4e5b207a09a13
Author: yoshiki iguchi <yoshiki@chromium.org>
Date: Tue Aug 29 03:50:27 2017

Adjust the header style of new style notification

This CL changes the margins/paddings in new-styled notification header.

Bug:  758814 
Change-Id: Id7476c6ce15087837a4197f6cd987a1aade72506
Reviewed-on: https://chromium-review.googlesource.com/635043
Reviewed-by: Naoki Fukino <fukino@chromium.org>
Commit-Queue: Yoshiki Iguchi <yoshiki@chromium.org>
Cr-Commit-Position: refs/heads/master@{#498012}
[modify] https://crrev.com/94fb7310f6b7f6156e57cac956d4e5b207a09a13/ui/message_center/views/notification_header_view.cc
[modify] https://crrev.com/94fb7310f6b7f6156e57cac956d4e5b207a09a13/ui/message_center/views/notification_view_md.cc

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/09e3ff07c620efed74e68b9fdf34eb9b51b5747b

commit 09e3ff07c620efed74e68b9fdf34eb9b51b5747b
Author: yoshiki iguchi <yoshiki@chromium.org>
Date: Tue Aug 29 03:51:48 2017

Fix the left padding  of "Left Contents" in New-Styled Notification

Previously we set both the innser insets and border for "Left Contents" container wrongly and it applied the padding doubly. This patch removes the inner insets and fixes the layout.

Bug:  758814 
Change-Id: I8d8f64e25635e84842bd75b4a81adb14c0389cbf
Reviewed-on: https://chromium-review.googlesource.com/637289
Commit-Queue: Yoshiki Iguchi <yoshiki@chromium.org>
Reviewed-by: Naoki Fukino <fukino@chromium.org>
Cr-Commit-Position: refs/heads/master@{#498014}
[modify] https://crrev.com/09e3ff07c620efed74e68b9fdf34eb9b51b5747b/ui/message_center/views/notification_view_md.cc

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/759999299f001d69d7eb4152c961e0dac9a234c1

commit 759999299f001d69d7eb4152c961e0dac9a234c1
Author: yoshiki iguchi <yoshiki@chromium.org>
Date: Thu Aug 31 08:54:20 2017

Fix layout misc cleanup in ArcNotificationView

- Add a width DCHECK to prevent future width inconsistency with Android
- Fix the bug of calculating the height of the contents view
- Prevent double Lauout calling

These changes don't affect actual behavior. They are just cleanups.

Bug:  758814 
Change-Id: I68b8156fff83369187de45573f7aa948d6afe86c
Reviewed-on: https://chromium-review.googlesource.com/645046
Reviewed-by: Yuichiro Hanada <yhanada@chromium.org>
Commit-Queue: Yoshiki Iguchi <yoshiki@chromium.org>
Cr-Commit-Position: refs/heads/master@{#498791}
[modify] https://crrev.com/759999299f001d69d7eb4152c961e0dac9a234c1/ui/arc/notification/arc_notification_content_view.cc
[modify] https://crrev.com/759999299f001d69d7eb4152c961e0dac9a234c1/ui/arc/notification/arc_notification_view.cc

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/15925f47c1f2731fd7b62cf1a867bf7088754ebb

commit 15925f47c1f2731fd7b62cf1a867bf7088754ebb
Author: yoshiki iguchi <yoshiki@chromium.org>
Date: Thu Sep 07 00:35:41 2017

Change the paddings of new-style notification

* Bottom padding of the contents:
  According to the mock, it should be 16px, not 12px.
* Top padding of the contents;
  According to the mock, the 2px top-padding should be applied only to the left content.

Bug:  758814 
Test: manual
Change-Id: Ie26acb2e1056b7c3878b89df53af07ff5513fb42
Reviewed-on: https://chromium-review.googlesource.com/650073
Commit-Queue: Yoshiki Iguchi <yoshiki@chromium.org>
Reviewed-by: Naoki Fukino <fukino@chromium.org>
Cr-Commit-Position: refs/heads/master@{#500157}
[modify] https://crrev.com/15925f47c1f2731fd7b62cf1a867bf7088754ebb/ui/message_center/views/message_popup_collection_unittest.cc
[modify] https://crrev.com/15925f47c1f2731fd7b62cf1a867bf7088754ebb/ui/message_center/views/notification_view_md.cc

We still have several UI works, but they are filed separatedly.