map tile projection default does not update after resize

[davelandry]

Expected Behavior

When resizing a visualization, the coordinate points and underlying tiles should update to fit the new screen size.

Current Behavior

The coordinate points seem to be updating, but the tile projection is not.

Steps to Reproduce (for bugs)

http://jsfiddle.net/srbuy7ez/4/

Your Environment

• Browser Name: Chrome
• Operating System and Version: macOS High Sierra