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Issue 716337 link

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Issue metadata

Status: Fixed
Owner:
Closed: May 2017
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux , Windows , Mac
Pri: 1
Type: Bug-Regression



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Regression : Unwanted blue dot is seen in 'Performance' section of devtools.

Reported by rp...@etouch.net, Apr 28 2017

Issue description

Version: 60.0.3083.0 1423a66d68562cda92de55d3f247ae1c8a155241-refs/heads/master@{#467821}
OS: Windows (7,8,8.1,10),Linux (14.04 LTS),Mac OS X(10.11.6,10.12.1)

What steps will reproduce the problem?
1. Launch chrome, navigate to NTP and open devtools
2. Now go to 'Performance' section and press 'Ctrl + E' to capture new recording.
3. Now hover mouse over screenshot capture area and observe above in capture tab (Refer screen cast)

Actual: Unwanted blue dot is seen after mouse cursor is moved in screenshot capture area
Expected: Unwanted blue dot should not be seen after mouse cursor is moved in screenshot capture area

This is regression issue, broken in ‘M 60’ and will soon update other info :
Good build:60.0.3082.0
Bad build: 60.0.3083.0
 
Actual_video.mp4
1.1 MB View Download
Expected_video.mp4
845 KB View Download
Actual_screenshot.png
221 KB View Download
Expected_screenshot.png
225 KB View Download

Comment 1 by rp...@etouch.net, Apr 28 2017

Correction : 
This is regression issue, broken in ‘M 60’ and will soon update other info :
Good build:60.0.3081.0
Bad build: 60.0.3082.0
Labels: hasbisect-per-revision
Owner: alph@chromium.org
Status: Assigned (was: Unconfirmed)
Able to reproduce this issue on windows 7, Mac 10.12.4,Linux Ubuntu 14.04 with Chrome Canary-60.0.3082.3
Manual Bisect:
------------
Good build:60.0.3081.0-Revision-467177
Bad build: 60.0.3082.0-Revision-467534

Per revision Bisect Tool Info:
--------------------------------
You are probably looking for a change made after 467201 (known good), but no later than 467202 (first known bad).
CHANGELOG URL:
The script might not always return single CL as suspect as some perf builds might get missing due to failure.

https://chromium.googlesource.com/chromium/src/+log/de2639a09ee8be98b746c6785d83bb57ee6fa9c2..3a0fdce4d4151a52fdfc3c67870887f25eb68ee9

alph@ Kindly take a look and please help us to reassign this issue to a right owner if not with respect to this change.

Thanks.!
Project Member

Comment 3 by bugdroid1@chromium.org, May 3 2017

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/0da9a5fad5370f949189ba918c3d1d4934730d1c

commit 0da9a5fad5370f949189ba918c3d1d4934730d1c
Author: alph <alph@chromium.org>
Date: Wed May 03 21:45:22 2017

DevTools: Fix "Unwanted blue dot is seen in 'Performance' section of devtools"

NOTRY=true
BUG= 716337 

Review-Url: https://codereview.chromium.org/2852333005
Cr-Commit-Position: refs/heads/master@{#469140}

[modify] https://crrev.com/0da9a5fad5370f949189ba918c3d1d4934730d1c/third_party/WebKit/Source/devtools/front_end/perf_ui/timelineOverviewInfo.css

Comment 4 by alph@chromium.org, May 3 2017

Status: Fixed (was: Assigned)

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