Jordan Rose c622f6b8dd Simplify swift::getInheritedForPrinting to take a PrintOptions ...

This lets us make some more assumptions in the next commit, but I
think it's also just a nice cleanup to /not/ allow random predicates
here.

There were three callers of this API:

- PrintAST, which was using PrintOptions::shouldPrint but /also/
  incorrectly notifying listeners that a declaration would be skipped.

- (IDE) Interface generation, which uses PrintOptions::shouldPrint to
  count how many "inherits" there will be.

- SwiftDocSupport's reportRelated, which does no filtering at all.
  Creating a PrintOptions here is a little more expensive, but still.

No intended functionality change.

2019-05-14 16:16:28 -07:00

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