@Override
	public void activeFunctionChanged(Side side, Function function) {
		updateTabAndTitle();
		tool.contextChanged(this);
		if (navigateToAction.isSelected()) {
			goToFunction(function);
		}
	}
Dockable provider that displays function comparisons  Clients create/modify
these comparisons using the {@link FunctionComparisonService}, which in turn 
creates instances of this provider as-needed.
Ghidra/Features/CodeCompare/src/main/java/ghidra/features/codecompare/plugin/FunctionComparisonProvider.java