Update engine

Also, update callers of deprecated methods.

examples/raw/hello_world.dart

@@ -34,7 +34,7 @@ ui.Scene composite(ui.Picture picture, ui.Rect paintBounds) {
     ..[15] = 1.0;
   ui.SceneBuilder sceneBuilder = new ui.SceneBuilder(sceneBounds)
     ..pushTransform(deviceTransform)
-    ..addPicture(ui.Offset.zero, picture, paintBounds)
+    ..addPicture(ui.Offset.zero, picture)
     ..pop();
   return sceneBuilder.build();
 }

examples/raw/painting.dart

@@ -103,7 +103,7 @@ ui.Scene composite(ui.Picture picture, ui.Rect paintBounds) {
     ..[15] = 1.0;
   ui.SceneBuilder sceneBuilder = new ui.SceneBuilder(sceneBounds)
     ..pushTransform(deviceTransform)
-    ..addPicture(ui.Offset.zero, picture, paintBounds)
+    ..addPicture(ui.Offset.zero, picture)
     ..pop();
   return sceneBuilder.build();
 }

examples/raw/shadow.dart

@@ -46,7 +46,7 @@ ui.Scene composite(ui.Picture picture, ui.Rect paintBounds) {
     ..[15] = 1.0;
   ui.SceneBuilder sceneBuilder = new ui.SceneBuilder(sceneBounds)
     ..pushTransform(deviceTransform)
-    ..addPicture(ui.Offset.zero, picture, paintBounds)
+    ..addPicture(ui.Offset.zero, picture)
     ..pop();
   return sceneBuilder.build();
 }

examples/raw/spinning_arabic.dart

@@ -38,7 +38,7 @@ ui.Scene composite(ui.Picture picture, ui.Rect paintBounds) {
     ..[15] = 1.0;
   ui.SceneBuilder sceneBuilder = new ui.SceneBuilder(sceneBounds)
     ..pushTransform(deviceTransform)
-    ..addPicture(ui.Offset.zero, picture, paintBounds)
+    ..addPicture(ui.Offset.zero, picture)
     ..pop();
   return sceneBuilder.build();
 }

examples/raw/spinning_image.dart

@@ -54,7 +54,7 @@ ui.Scene composite(ui.Picture picture, ui.Rect paintBounds) {
     ..[15] = 1.0;
   ui.SceneBuilder sceneBuilder = new ui.SceneBuilder(sceneBounds)
     ..pushTransform(deviceTransform)
-    ..addPicture(ui.Offset.zero, picture, paintBounds)
+    ..addPicture(ui.Offset.zero, picture)
     ..pop();
   return sceneBuilder.build();
 }

examples/raw/spinning_square.dart

@@ -35,7 +35,7 @@ void beginFrame(Duration timeStamp) {
       ..[15] = 1.0;
     ui.SceneBuilder sceneBuilder = new ui.SceneBuilder(sceneBounds)
       ..pushTransform(deviceTransform)
-      ..addPicture(ui.Offset.zero, picture, paintBounds)
+      ..addPicture(ui.Offset.zero, picture)
       ..pop();
     ui.window.render(sceneBuilder.build());
   });

packages/flutter/lib/src/rendering/layer.dart

@@ -361,7 +361,7 @@ class OpacityLayer extends ContainerLayer {
 
   void addToScene(ui.SceneBuilder builder, Offset layerOffset) {
     Offset childOffset = offset + layerOffset;
-    builder.pushOpacity(alpha, null);
+    builder.pushOpacity(alpha);
     addChildrenToScene(builder, childOffset);
     builder.pop();
   }

packages/flutter/pubspec.yaml

@@ -8,8 +8,8 @@ dependencies:
   collection: '>=1.1.3 <2.0.0'
   intl: '>=0.12.4+2 <0.13.0'
   material_design_icons: '>=0.0.3 <0.1.0'
-  sky_engine: 0.0.80
-  sky_services: 0.0.80
+  sky_engine: 0.0.81
+  sky_services: 0.0.81
   vector_math: '>=1.4.3 <2.0.0'
   quiver: '>=0.21.4 <0.22.0'