Chris Yang bb909453ea Reland "IOS Platform view transform/clipping (#9075)" and fix the breakage. (flutter/engine#9483)
* Revert "Revert "IOS Platform view transform/clipping (#9075)" (#9480)"

This reverts commit 52ceaee505a26b6bad893e38b33c522d1e0ba571.

* fix fuschia buid
2019-06-25 15:29:47 -07:00
..