tree 928e7399ec66abf7d56f139a067035344395db2e
parent 3122786ad52ae33009ee696896b8ab7b0a1ae93d
author Tom Robinson <robinsontom@google.com> 1562792067 -0700
committer GitHub <noreply@github.com> 1562792067 -0700
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Cleanup widgets/sliver_persistent_header.dart with resolution of dart-lang/sdk#31543 (#35828)

* Remove extra classes.

Now that https://github.com/dart-lang/sdk/issues/31543 is fixed, we
can remove extra classes.

* Add snapConfiguration to parameters for _RenderSliverFloatingPersistentHeaderForWidgets and _RenderSliverFloatingPinnedPersistentHeaderForWidgets constructors.