Chrome Version : 61.0.3138.0 (Official Build) d2d3a3975e9c7f3c5c62ef0ecad2683332894600-refs/heads/master@{#481386} 32/64 bit
OS : Windows(7,8,10), Linux(14.04 LTS)

What steps will reproduce the problem?
1. Launch chrome, navigate to chrome://md-settings page and hit 'Ctrl + U' to open source code.
2. Reload source code page 2-3 times and observe the tab's title bar while reloading.

Actual Result : Loading spinner is not seen in tab's title bar while page is being loaded.

Expected Result : While reloading, spinner should appear in tab's title bar and it should keep spinning until page finishes loading.

This is a regression issue broken in ‘M-61’, below is the Manual Regression range and will soon update other info.
Good build : 61.0.3136.0
Bad build : 61.0.3137.0

Note : Issue is not seen in Mac(10.11.6, 10.12.3) OS i.e spinner appears in title bar while page is loading . 
 

Deleted: Actual_loading_spinner.mp4 1.4 MB

	Actual_loading_spinner.mp4 1.4 MB View Download

Deleted: Expected_loading_spinner.mp4 1.1 MB

	Expected_loading_spinner.mp4 1.1 MB View Download