Chrome Version:59.0.3046.0 dev
OS:Ubuntu 14.04,Windows
What steps will reproduce the problem?(1)Launch chrome,goto chrome://md-settings/content/zoomLevels and Observe. 
Actual:"No sites have been zoomed in or out" message is missing in the zoom levels page. 
Expected:Instead,"No sites have been zoomed in or out"message should appear. 
This is a regression issue broken in M-59
Manual Bisect Info:
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Good Build:59.0.3042.0 dev
Bad Build :59.0.3043.0 dev

Tested the issue on Windows-7,Mac 10.12.3 and Linux Ubuntu-14.04 using Chrome version 59.0.3047.0 as per the comment #0. 
Observed that the fix is working as expected. Hence adding the verified labels. 
Please find the attached screen cast for reference. 
Thanks.