Regression: Extra space is seen on 'Reset Site setting' overlay.
 
Chrome Version: 68.0.3440.7 (Official Build) Revision 9bbd2d0687bd83181f22ac13565501690ee5b4c7-refs/branch-heads/3440@{#16}  (32/64-bit)
 	
OS: Win(7,8,8.1,10), Mac(10.12.6, 10.13.1, 10.13.5) and Linux(14.04 LTS).

What steps will reproduce the problem?
1. Launch chrome, navigate to any to any page, click on Secure chip icon in omnibox and click on Site Settings.
2. Click on Reset Site Setting on navigated site permission page and observe the overlay.

Actual Result: Extra space is seen on 'Reset Site setting' overlay.
Expected Result: Extra space should not be seen.

This is a regression issue, broken in M-68  series, and Using per-revision bisect to provide the bisect results,

Good Build:64.0.3267.0 (Revision:515868)
Bad Build: 64.0.3268.0 (Revision:516147)

You are probably looking for a change made after 561364 (known good), but no later than 561365 (first known bad).

CHANGE-LOG 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/2d085ab3bdfac01d330584c3447ca00f84417811..29bc0a300e670bb159425a47a5ad7bade2cdf386

Suspect: https://chromium.googlesource.com/chromium/src/+/29bc0a300e670bb159425a47a5ad7bade2cdf386

aee@: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.
  
Thank You!
 

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