They don't rely on anything from that object, so simplify things and remove the
cross-file reference by making them normal functions.
MozReview-Commit-ID: 6iAjBWsO5zo
These are mac-only functions used to support the dock and application menu for
non browser windows (anything that includes macWindow.inc.xul). Make this more
straightforward by splitting the code out into a new script file that gets loaded
directly by macWindow.inc.xul rather than unconditionally adding the functions
and only calling them when needed.
MozReview-Commit-ID: 8y3rij5vqyh
