najeira 0c188ca473 Map iOS touches to Flutter view coordinate system (flutter/engine#4425)
This change ensures that touches are mapped to the Flutter view
co-ordinate system. In the case of a Flutter view that doesn't share the
same origin and orientation as the screen co-ordinate system, touches
were appled in the wrong location. This bug affected Flutter views whose
origin was not the screen origin and Flutter apps running with the
in-call status bar on iPhones other than the iPhone X.
2017-12-12 13:22:53 -08:00
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