[null-safety] fix types of layer code (flutter#21959)

Jonah Williams · web-flow · commit 895940081c05 · 2020-10-19T16:22:40.000-07:00
diff --git a/lib/ui/compositing.dart b/lib/ui/compositing.dart
@@ -538,7 +538,7 @@ class SceneBuilder extends NativeFieldWrapperClass2 {
     return layer;
   }
 
-  EngineLayer _pushShaderMask(
+  void _pushShaderMask(
       EngineLayer engineLayer,
       Shader shader,
       double maskRectLeft,
@@ -587,7 +587,7 @@ class SceneBuilder extends NativeFieldWrapperClass2 {
     return layer;
   }
 
-  EngineLayer _pushPhysicalShape(EngineLayer outEngineLayer, Path path, double elevation, int color, int shadowColor,
+  void _pushPhysicalShape(EngineLayer outEngineLayer, Path path, double elevation, int color, int shadowColor,
       int clipBehavior) native 'SceneBuilder_pushPhysicalShape';
 
   /// Ends the effect of the most recently pushed operation.

Original file line number	Diff line number	Diff line change
`@@ -538,7 +538,7 @@ class SceneBuilder extends NativeFieldWrapperClass2 {`
`538`	`538`	`return layer;`
`539`	`539`	`}`
`540`	`540`
`541`		`- EngineLayer _pushShaderMask(`
	`541`	`+ void _pushShaderMask(`
`542`	`542`	`EngineLayer engineLayer,`
`543`	`543`	`Shader shader,`
`544`	`544`	`double maskRectLeft,`
`@@ -587,7 +587,7 @@ class SceneBuilder extends NativeFieldWrapperClass2 {`
`587`	`587`	`return layer;`
`588`	`588`	`}`
`589`	`589`
`590`		`- EngineLayer _pushPhysicalShape(EngineLayer outEngineLayer, Path path, double elevation, int color, int shadowColor,`
	`590`	`+ void _pushPhysicalShape(EngineLayer outEngineLayer, Path path, double elevation, int color, int shadowColor,`
`591`	`591`	`int clipBehavior) native 'SceneBuilder_pushPhysicalShape';`
`592`	`592`
`593`	`593`	`/// Ends the effect of the most recently pushed operation.`