Apply transformations after comparing to golden files.

pkg/front_end/testcases/rasta/issue_000080.dart.direct.expect

Index: pkg/front_end/testcases/rasta/issue_000080.dart.direct.expect
diff --git a/pkg/front_end/testcases/rasta/issue_000080.dart.direct.expect b/pkg/front_end/testcases/rasta/issue_000080.dart.direct.expect
index 8c241096b98cc2e9f205a27cf8513ceb6c8f2591..351344d7e6a8de6045f9e6a23e50e74b246540cd 100644
--- a/pkg/front_end/testcases/rasta/issue_000080.dart.direct.expect
+++ b/pkg/front_end/testcases/rasta/issue_000080.dart.direct.expect
@@ -10,22 +10,16 @@ class Mixin extends core::Object {
   method foo() → dynamic
     return 87;
 }
-abstract class Object&Mixin extends core::Object implements self::Mixin {
-  field dynamic field = null;
-  constructor •() → void
-    : super core::Object::•()
-    ;
-  method foo() → dynamic
-    return 87;
+abstract class Object&Mixin = core::Object with self::Mixin {
 }
 class Foo extends self::Object&Mixin {
   constructor •() → void
-    : super self::Object&Mixin::•()
+    : super core::Object::•()
     ;
   method foo() → dynamic
-    return this.{=self::Object&Mixin::foo}();
+    return super.foo();
   method bar() → dynamic
-    return this.{=self::Object&Mixin::field};
+    return super.{self::Mixin::field};
 }
 static method main() → dynamic {
   dynamic f = new self::Foo::•();