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Issue 820066 link

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Issue metadata

Status: Verified
Owner:
Closed: Mar 2018
Cc:
EstimatedDays: ----
NextAction: ----
OS: iOS
Pri: 2
Type: Bug-Regression



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Grey patch is displayed at bottom for web pages.

Project Member Reported by pmadalla@chromium.org, Mar 8 2018

Issue description

App Version:  66.0.3359.17 beta
iOS Version: 11.2.6
Device : iPhone X Only

Pre-Condition :
1. Enable #slim-navigation-manager from chrome flags

Steps to reproduce : 
1. Launch chrome. 
2. Goto any webpage say : facebook.com.
3. Scroll the screen upwards and downwards.

Observed results:
Grey patch is displayed at bottom

Expected results:
Grey patch should not be displayed

Number of times you were able to reproduce: 5/5
Bug reproducible after clean install: Yes
Bug reproducible after clearing cache and cookies: Yes
Bug reproducible on Chrome Mobile on Android: NA
Bug reproducible on Dolphin/Safari/Firefox: Safari : NA
Bug reproducible on current stable build (App Version, iOS Version): No in M64
Bug reproducible on the current beta channel build (App Version, iOS Version): No in M65

Link to Video :
https://drive.google.com/file/d/1XBvZ7vMh-2tFAuvZM9_tZKp4c2wmsJRW/view?usp=sharing

 
Cc: danyao@chromium.org
Cc: -danyao@chromium.org
Components: Mobile>WebView>Glue
Owner: danyao@chromium.org
Status: Assigned (was: Untriaged)
Cc: mard...@chromium.org
Labels: ReleaseBlock-Stable
Labels: M-66
Obviously this is RBS only if we're planning to have the flag on by default in M66. 

Comment 6 by danyao@chromium.org, Mar 20 2018

We don't plan to have the flag on by default in M66 stable. It's on for 50% flag in Dev/Canary. Should this still be release blocking?
Labels: -ReleaseBlock-Stable
No. In that case, it is not. Thanks. 
Cc: linds...@chromium.org
Labels: ReleaseBlock-Stable
This is reproduced on iPhoneX with 11.3 beta#6 and 11.2.6 on fresh installation of M66.0.3359.30 beta channel build. (without manually enabling any flags). 

Doesn't look like related to #slim-navigation-manager.

lindsayw@ Can you reassign?
Cc: kkhorimoto@chromium.org eugene...@chromium.org
Eugene and Kurt, Is this potentially related to web or fullscreen instead of slim-manager since with the flag off it still repro's?
Labels: Needs-Feedback
I don't think we recently had any changes in ios/web which could affect this. Pramod, cold you please bisect good and bad version for this regression.
Labels: -Needs-Feedback
Good Version: 66.0.3357.0 #837639b
 Bad Version: 66.0.3358.0 #9c9aa3b
Owner: gambard@chromium.org
https://chromium-review.googlesource.com/931466 looks suspicious. Gauthier, could you please take a look.
Labels: -Proj-WKBackForwardList
Removing Proj-WKBackForwardList per comment 8.
Labels: Merge-Request-66
Status: Fixed (was: Assigned)
Should be fixed with https://chromium-review.googlesource.com/c/chromium/src/+/977663.
Requesting a merge.
Project Member

Comment 15 by sheriffbot@chromium.org, Mar 23 2018

Labels: -Merge-Request-66 Merge-Review-66 Hotlist-Merge-Review
This bug requires manual review: Less than 21 days to go before AppStore submit on M66
Please contact the milestone owner if you have questions.
Owners: cmasso@(Android), cmasso@(iOS), josafat@(ChromeOS), abdulsyed@(Desktop)

For more details visit https://www.chromium.org/issue-tracking/autotriage - Your friendly Sheriffbot
Cc: cma...@chromium.org
+cmasso@ for merge request.

Comment 17 by cmasso@google.com, Mar 23 2018

Please confirm the fix is verified in canary
Project Member

Comment 18 by bugdroid1@chromium.org, Mar 23 2018

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/6d5050da5e1f93146ebdcde58ca2cb05d874cc59

commit 6d5050da5e1f93146ebdcde58ca2cb05d874cc59
Author: Gauthier Ambard <gambard@chromium.org>
Date: Fri Mar 23 09:45:48 2018

Return the correct height of the bottom toolbar

This CL adjusts the function returning the height of the bottom toolbar,
returning 0 when the toolbar isn't enabled.

Bug:  820066 
Cq-Include-Trybots: master.tryserver.chromium.mac:ios-simulator-cronet;master.tryserver.chromium.mac:ios-simulator-full-configs
Change-Id: I31bd8561c831d447f2a45e5beb72d55ebfff1737
Reviewed-on: https://chromium-review.googlesource.com/977663
Commit-Queue: Gauthier Ambard <gambard@chromium.org>
Reviewed-by: Mark Cogan <marq@chromium.org>
Cr-Commit-Position: refs/heads/master@{#545394}
[modify] https://crrev.com/6d5050da5e1f93146ebdcde58ca2cb05d874cc59/ios/chrome/browser/ui/uikit_ui_util.mm

Comment 19 by cmasso@google.com, Mar 26 2018

Are more cls coming?
No, the CL was landed before the merge request. There was a delay before it was added to the bug, I don't know why.
Status: Verified (was: Fixed)
Issue verified 
Version: Chrome Canary  67.0.3382.0
Device: iPhone X
iOS: 11.2.6

No Grey patch displayed at bottom for web pages.
https://drive.google.com/open?id=1AFeLm0IjcHjyNCuzA-BhbEG3TP1vnHZe

Comment 22 by cmasso@google.com, Mar 27 2018

Labels: -Hotlist-Merge-Review -Merge-Review-66 Merge-Approved-66
Project Member

Comment 23 by bugdroid1@chromium.org, Mar 28 2018

Labels: -merge-approved-66 merge-merged-3359
The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/593edc0aeec9a825e364ee94a71590e01e71f494

commit 593edc0aeec9a825e364ee94a71590e01e71f494
Author: Gauthier Ambard <gambard@chromium.org>
Date: Wed Mar 28 06:46:00 2018

Return the correct height of the bottom toolbar

This CL adjusts the function returning the height of the bottom toolbar,
returning 0 when the toolbar isn't enabled.

Bug:  820066 
Cq-Include-Trybots: master.tryserver.chromium.mac:ios-simulator-cronet;master.tryserver.chromium.mac:ios-simulator-full-configs
Change-Id: I31bd8561c831d447f2a45e5beb72d55ebfff1737
Reviewed-on: https://chromium-review.googlesource.com/977663
Commit-Queue: Gauthier Ambard <gambard@chromium.org>
Reviewed-by: Mark Cogan <marq@chromium.org>
Cr-Original-Commit-Position: refs/heads/master@{#545394}(cherry picked from commit 6d5050da5e1f93146ebdcde58ca2cb05d874cc59)
Reviewed-on: https://chromium-review.googlesource.com/983212
Reviewed-by: Gauthier Ambard <gambard@chromium.org>
Cr-Commit-Position: refs/branch-heads/3359@{#481}
Cr-Branched-From: 66afc5e5d10127546cc4b98b9117aff588b5e66b-refs/heads/master@{#540276}
[modify] https://crrev.com/593edc0aeec9a825e364ee94a71590e01e71f494/ios/chrome/browser/ui/uikit_ui_util.mm

Verified in 66.0.3359.71 Beta,  iPhone X iOS 11.3.

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