Opt16: WebPageRoute: Avoid allocating when coercing interface method to Func.
Opt25: MVC: ActionDescriptorHelper: Prevent per-call allocation with static inline delegates.
Opt26: MVC: ReflectedAttributeCache: Prevent per-call allocation with static cached delegate.
Opt27: MVC: DependencyResolver: Prevent per-call delegate allocation by caching instance delegate.
Opt28: MVC: InvokeActionResultWithFilters: Avoid chain of stateful delegates.
Opt30: MVC: AsyncResultWrapper: Avoid allocating delegates and closures in BeginSynchronous calls.