Ok. If there is any possibility it won't make the cut (and perhaps anyway, just for good practice), can you fork it into a new branch? Else we might need to try and extract it to make a release...
Charts now return to their correct height once exiting full-screen mode. Tested with Chrome 46 and Internet Explorer 8. I'll test on other browsers at home, and if they work OK I'll close the issue. References issue #306.
I can confirm that the current code works on Firefox too.