CHANGELOG URL:
  https://chromium.googlesource.com/chromium/src/+log/905b111f901585bd25901e72b2141a7dc4bae246..69da898ef90feb49e414476934abf708ed04c093

Suspecting https://codereview.chromium.org/1815743002 from changelog.

@estade:Please help in re-assigning if it is not related to your change.

NOTE: Issue is not seen in Windows.

Confirming this issue able to repro only on Ubuntu 14.04 using chrome latest Dev M51-51.0.2686.0. Issue not seen on Mac OS 10.11.3 as well.

 

Good Build: 51.0.2683.0 dev
Bad Build: 51.0.2684.0 dev

Checked the issue on 51.0.2687.0  and is still reproducible. UI of bookmark bar is not as expected[Some painting effect is still seen].  Attaching screencast of same.

This issue got duplicated into  Issue  595978  which got fixed with commit position Cr-Commit-Position: refs/heads/master@{#382079}

Latest build[51.0.2687.0] commit position is 382459 which is greater than fixed bug commit position 382079 and issue is still reproducible.

Hence reopening the issue.

@estade: Please feel free to change the status if any.

Thanks!

estade@: Can we get an update on this issue as this issue is still seen as per C#6.

Thank you!

@estade: Hey, would you mind providing an update on the above issue as it is reproducible on Ubuntu 14.04 with chrome version '51.0.2693.2'.

Appreciate your response.

Thank you!

Issue still persists on latest 51.0.2699.0.

@estade: Request you to please take a look into it as issue still exists on M51 Canary 51.0.2699.0 on Linux OS. Issue is marked with a beta blocker and M51 is approaching Beta soon.

can you check to see if this is a problem on m50 on chromeos?

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/046ca0c1fd8e435ee0b15a5a84f517f0a3ca2da8

commit 046ca0c1fd8e435ee0b15a5a84f517f0a3ca2da8
Author: estade <estade@chromium.org>
Date: Thu Apr 07 22:05:59 2016

Make sure to fill canvas opaquely when painting bookmark bar background.

BUG= 596370 

Review URL: https://codereview.chromium.org/1861783002

Cr-Commit-Position: refs/heads/master@{#385892}

[modify] https://crrev.com/046ca0c1fd8e435ee0b15a5a84f517f0a3ca2da8/chrome/browser/ui/views/frame/browser_view.cc

Reproduce the issue on Chrome 50.0.2661.67/ CrOS 7978.48.0 nyan_blaze 

Deleted: Screenshot 2016-04-07 at 3.37.28 PM.png 858 KB

	Screenshot 2016-04-07 at 3.37.28 PM.png 858 KB View Download

Seen on crOS Beta Build 7978.48.0/50.0.2661.67 - Parrot Device as well.

This is a low risk change. Requesting merge to m50. Note that it affects an unknown number of custom themes, but seemingly not very many of them.

Adding "Merge-Request-50" label based on comment #17.

Merge approved for M50 (branch 2661). 
Please merge your change by 5:00 PM PST on April 8th,Friday to make into the desktop Stable final build cut. Thank you.

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/55427ea57b47260d67c83d166a7917f9bdb36dc0

commit 55427ea57b47260d67c83d166a7917f9bdb36dc0
Author: Evan Stade <estade@chromium.org>
Date: Thu Apr 07 23:20:20 2016

Make sure to fill canvas opaquely when painting bookmark bar background.

BUG= 596370 

Review URL: https://codereview.chromium.org/1861783002

Cr-Commit-Position: refs/heads/master@{#385892}
(cherry picked from commit 046ca0c1fd8e435ee0b15a5a84f517f0a3ca2da8)

Review URL: https://codereview.chromium.org/1871793002 .

Cr-Commit-Position: refs/branch-heads/2661@{#516}
Cr-Branched-From: ef6f6ae5e4c96622286b563658d5cd62a6cf1197-refs/heads/master@{#378081}

[modify] https://crrev.com/55427ea57b47260d67c83d166a7917f9bdb36dc0/chrome/browser/ui/views/frame/browser_view.cc

Verified the issue on Ubuntu 14.04 using Beta # 50.0.2661.75 and its working fine.Please find the attached screen shot for the same.

Deleted: 596370_Apr_13.png 1.3 MB

	596370_Apr_13.png 1.3 MB View Download