Add support for converted closures with explicit contexts to VM

pkg/kernel/testcases/closures/instance_tear_off.dart.expect

Index: pkg/kernel/testcases/closures/instance_tear_off.dart.expect
diff --git a/pkg/kernel/testcases/closures/instance_tear_off.dart.expect b/pkg/kernel/testcases/closures/instance_tear_off.dart.expect
index 62725d2e8d3578b28261c9169b0f8cc0cd8693be..924348bb7d44847ad0ef614f8b5f81c5d43fa250 100644
--- a/pkg/kernel/testcases/closures/instance_tear_off.dart.expect
+++ b/pkg/kernel/testcases/closures/instance_tear_off.dart.expect
@@ -138,17 +138,17 @@ static method test(dynamic o) → dynamic {
   self::expect("g(42)", o.g(42));
   self::expect("g(42)", o.g.call(42));
   self::expect("a", o.a());
-  self::expect("a", o.a#get().call());
+  self::expect("a", o.a#get.call());
   self::expect(42, o.b(42));
-  self::expect(42, o.b#get().call(42));
+  self::expect(42, o.b#get.call(42));
   self::expect(42, o.c(40));
-  self::expect(42, o.c#get().call(40));
+  self::expect(42, o.c#get.call(40));
   self::expect(87, o.c(80, 7));
-  self::expect(87, o.c#get().call(80, 7));
+  self::expect(87, o.c#get.call(80, 7));
   self::expect(42, o.d(40));
-  self::expect(42, o.d#get().call(40));
+  self::expect(42, o.d#get.call(40));
   self::expect(87, o.d(80, y: 7));
-  self::expect(87, o.d#get().call(80, y: 7));
+  self::expect(87, o.d#get.call(80, y: 7));
 }
 static method main(dynamic arguments) → dynamic {
   self::test(new self::C::•());