Ian Hickson 83a4cf269f Port AppBar to Scrollable2 (#7996)
Move the back button and drawer opening logic into the app bar.

Move the tap-status-bar-to-scroll-to-top logic to using
ScrollControllers. Provide a PrimaryScrollController and a `primary`
flag on scroll views.

Make it possible to track when a route becomes or stops being poppable.
2017-02-08 18:16:19 -08:00
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2017-01-13 23:26:05 -08:00
2017-01-13 23:26:05 -08:00
2017-02-02 16:16:20 -08:00