Steps to reproduce:
1.Open a page with VE
2.Add an image
3.Open the media settings for that image
4.Go to Advanced Settings tab
5.Change the image size to something different than what it is right now
6.Click on "Apply Changes"
7.Reopen the Media Settings again and go to Advanced Settings panel
Observed Results:
The Size values are still reflecting the previous value unless user saves the whole page and open the panel again it stays like this.
Test Environment: http://en.wikipedia.beta.wmflabs.org/
Browser: Chrome Version 26.0.1410.65 & FF 25
OS: MAC OS X 10. 8. 5
Page:http://en.wikipedia.beta.wmflabs.org/wiki/7thfeb?veaction=edit#cite_ref-2
Version: unspecified
Severity: normal