[MediaPlayer] Improved zoom button behavior
|Reported by:||mmadia||Owned by:||stippi|
resize to display the video at 1:1 size, assuming it fits on screen. If the 1:1 size is larger than the current resolution, then scale the video to be a best fit.
Note: as of hrev44244, full screen can be entered with CMD-Enter, as well as double-clicking the content area.