Macro style::css_properties_accessors

macro_rules! css_properties_accessors {
    ($macro_name: ident) => { ... };
}

Call the given macro with tokens like this for each longhand and shorthand properties that is enabled in content:

[CamelCaseName, SetCamelCaseName, PropertyId::Longhand(LonghandId::CamelCaseName)],

NOTE(emilio): Callers are responsible to deal with prefs.