I created a skin that is a copy of the TabBarButtonSkin and I see where there's a property set: useChromeColor = true;
I have some CSS that uses a different chromeColor for the selected tab vs the unselected tab and I'm wondering how that value gets integrated into the skin. I don't see chrome used anywhere else in that skin file other than that one line. There's no <fill> or anything that uses the chromeColor. Since I'm not sure how to access the compound CSS rule (the selected tab's chromeColor) from setStyle(), I figured that maybe I would set the chromeColor in the skin for the specific states I want. I guess I should have indicated upfront that I need this chromeColor to change at runtime, so I can't hardcode it into the CSS.