private FunctionComparisonProvider createProvider(FunctionComparisonModel model,
			Callback closeListener) {
		FunctionComparisonProvider provider =
			new FunctionComparisonProvider(this, model, closeListener);

		providers.add(provider);
		return provider;
	}
Overridden to listen for two event types:
<li>Object Restored: In the event of a redo/undo that affects a function
being shown in the comparison provider, this will allow tell the provider
to reload</li>
<li>Object Removed: If a function is deleted, this will tell the provider
to purge it from the view</li>
Ghidra/Features/CodeCompare/src/main/java/ghidra/features/codecompare/plugin/FunctionComparisonPlugin.java