Chrome Version: 51.0.2695.0 (Official Build)723dfe66b1985ff2178590b15d1cc63911300737-refs/heads/master@{#384157}(32/64-bit)
OS:Windows(Aero enabled),Mac

URL:https://chrome.google.com/webstore/detail/earth-view-from-google-ea/bhloflhklmhfpedakmangadcdofhnnoh/related?hl=en

What steps will reproduce the problem?
(1)Launch chrome,navigate to above url and click on 'ADD TO Chrome' 
(2)Open new tab and observe

Actual:Extension does not work properly
Expected:Extension should work properly

This is a Regression issue broken in M-50,below is the Narrow bisect information:
https://chromium.googlesource.com/chromium/src/+log/58e9361d766646213fca23e5761313f9ff502667..3f4c95f66bcaa0bde1fbaaaf8da99c29468e82e5?pretty=fuller&n=100 

Good build:50.0.2655.0
Bad build:50.0.2656.0

Suspecting:r376635?

Note:Will soon update Linux info.

Please help to reassign if your change is not the cause for this issue.