Chrome version: 67.0.3382.0 (Official Build)  Revision148f8c6decc123bb840a37b013caa8eed27759fd-refs/heads/master@{#546346}(32/64-bit)
OS: Windows (7,8,8.1,10),Linux (14.04 LTS),Mac OS X(10.12.6,10.13.1,10.13.4)

What steps will reproduce the problem?
1. Launch chrome,navigate to NTP and open devtools
2. Now press 'Esc' key to open console drawer and click on 'More tools' iron icon and select any option from it.
3. Now try to drag console drawer by placing mouse pointer over tab name(Ex. changes tab) and observe
 
Actual: Unable to drag console drawer upwards/downwards after placing mouse pointer over tab name
Expected: Should be able to drag console drawer upwards/downwards after placing mouse pointer over tab name

This is regression issue, broken in ‘M 67’ and below is the bisect info :
Good build: 67.0.3371.0  (Revision: 543279).
Bad build: 67.0.3372.0 (Revision: 543592).

You are probably looking for a change made after 543546 (known good), but no later than 543547 (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/beaf12c52ec58e3891e8054542f3b28b035b6f72..89abaf826732cad0542766ccc6e68716ab180250

Suspect : https://chromium.googlesource.com/chromium/src/+/89abaf826732cad0542766ccc6e68716ab180250

From the CL above, assigning the issue to the concern owner 

@pfeldman- Could you please check whether this is caused with respect to your change, if not please help us in assigning it to the right owner.
 

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	Actual_video.mp4 496 KB View Download

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	Expected_video.mp4 403 KB View Download