Description of the issue:
**Steps to Reproduce (add as many as necessary): 1.visit extension details page 2.select the drop down menu under permissions and click on specific sites 3. enter https://chrome.google.com/webstore **
Actual Result (gifs and screenshots are welcome!):
invalid url
Expected result:
Reproduces how often:
Brave Version(about:brave):
Version 0.58.21 Chromium: 71.0.3578.98
Reproducible on current live release (yes/no):
Additional Information: