* Revert "Remove references to BindingBase.window (#122119)" This reverts commitc7681f00cf. * Revert "Remove another reference to BindingBase.window (#122341)" This reverts commit6ec4445063. * Revert "Reland (2): Removes single window assumptions from `flutter_test` (#122233)" This reverts commiteb3d317ea0. * Revert "Remove single view assumption from TestViewConfiguration (#122352)" This reverts commit927289fb4e. * Revert "Updates `flutter/test/cupertino` to no longer use `TestWindow` (#122325)" This reverts commit67e17e45f0. * Revert "Updates `flutter/test/gestures` to no longer reference `TestWindow` (#122327)" This reverts commitc2a5111cc0. * Revert "Updates `flutter/test/rendering` to no longer use `TestWindow` (#122347)" This reverts commit28b65e089b. * Revert "Updates `flutter_localizations/test` to stop using `TestWindow` (#122321)" This reverts commit01367d52d7.