The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/c3b0effbe9f638243dae263af97794bf010170c1

commit c3b0effbe9f638243dae263af97794bf010170c1
Author: Peter Kasting <pkasting@chromium.org>
Date: Tue Jul 24 15:45:42 2018

Fix NTB X coordinate for painting.

Things still look wrong even with this patch, because the Y coordinate is also
wrong; that's a deeper issue tracked in  bug 866671 .

Bug:  866665 
Change-Id: I6a5f8fb159b3a70d71d1d17c904d2bd2d6d4fc6f
Reviewed-on: https://chromium-review.googlesource.com/1147085
Reviewed-by: Allen Bauer <kylixrd@chromium.org>
Commit-Queue: Peter Kasting <pkasting@chromium.org>
Cr-Commit-Position: refs/heads/master@{#577558}
[modify] https://crrev.com/c3b0effbe9f638243dae263af97794bf010170c1/chrome/browser/ui/views/tabs/new_tab_button.cc

Your change meets the bar and is auto-approved for M69. Please go ahead and merge the CL to branch 3497 manually. Please contact milestone owner if you have questions.
Owners: amineer@(Android), kariahda@(iOS), cindyb@(ChromeOS), govind@(Desktop)

For more details visit https://www.chromium.org/issue-tracking/autotriage - Your friendly Sheriffbot

Pls merge your change to M69 branch 3497 latest by 3:00 PM PT today, Wednesday (07/25/18). Thank you.

Please merge your change to M69 branch 3497 by 4:00 PM PT today, so we can pick it up for next week last M69 Dev release. Thank you.

Please merge your change to M69 branch 3497 by 4:00 PM PT today, so we can pick it up for next week LAST M69 Dev release before Beta promotion. Thank you.

Please merge your change to M69 branch 3497 by 2:00 PM PT Monday, 07/30, so we can pick it up for next week last M69 Dev release. Thank you.

This issue has been approved for a merge. Please merge the fix to any appropriate branches as soon as possible!

If all merges have been completed, please remove any remaining Merge-Approved labels from this issue.

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For more details visit https://www.chromium.org/issue-tracking/autotriage - Your friendly Sheriffbot

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/61afb6d2ba249d2ed396dde694a44ae1c2a6f9d5

commit 61afb6d2ba249d2ed396dde694a44ae1c2a6f9d5
Author: Peter Kasting <pkasting@chromium.org>
Date: Mon Jul 30 19:18:58 2018

Fix NTB X coordinate for painting.

Things still look wrong even with this patch, because the Y coordinate is also
wrong; that's a deeper issue tracked in  bug 866671 .

Bug:  866665 
Change-Id: I6a5f8fb159b3a70d71d1d17c904d2bd2d6d4fc6f
Reviewed-on: https://chromium-review.googlesource.com/1147085
Reviewed-by: Allen Bauer <kylixrd@chromium.org>
Commit-Queue: Peter Kasting <pkasting@chromium.org>
Cr-Original-Commit-Position: refs/heads/master@{#577558}(cherry picked from commit c3b0effbe9f638243dae263af97794bf010170c1)
Reviewed-on: https://chromium-review.googlesource.com/1155488
Reviewed-by: Peter Kasting <pkasting@chromium.org>
Cr-Commit-Position: refs/branch-heads/3497@{#228}
Cr-Branched-From: 271eaf50594eb818c9295dc78d364aea18c82ea8-refs/heads/master@{#576753}
[modify] https://crrev.com/61afb6d2ba249d2ed396dde694a44ae1c2a6f9d5/chrome/browser/ui/views/tabs/new_tab_button.cc

@Peter Kasting: Could you please provide manual reproducible steps with actual and excepted behaviour which helps us in verifying the fix from the TE end.

Thanks!

Not really.  This particular patch can't easily be testing in isolation from a variety of other patches.

+abdulsyed@ fyi, M69 merges taken for Proj-MdRefresh .