Apply transformations after comparing to golden files.

pkg/front_end/testcases/inference/future_then_conditional_4.dart.strong.expect

Index: pkg/front_end/testcases/inference/future_then_conditional_4.dart.strong.expect
diff --git a/pkg/front_end/testcases/inference/future_then_conditional_4.dart.strong.expect b/pkg/front_end/testcases/inference/future_then_conditional_4.dart.strong.expect
index 453f1a7c309eb4e430af97a647f3de232e495ce8..57084b1d71f6f80a440b7aaae34121da0c5cb992 100644
--- a/pkg/front_end/testcases/inference/future_then_conditional_4.dart.strong.expect
+++ b/pkg/front_end/testcases/inference/future_then_conditional_4.dart.strong.expect
@@ -14,68 +14,9 @@ class MyFuture<T extends core::Object> extends core::Object implements asy::Futu
 }
 static method test() → void {
   self::MyFuture<core::bool> f;
-  self::MyFuture<core::int> t1 = f.{self::MyFuture::then}<core::int>((core::bool x) → asy::Future<core::int> /* originally async */ {
-    final asy::Completer<asy::FutureOr<core::int>> :completer = asy::Completer::sync<asy::FutureOr<core::int>>();
-    asy::FutureOr<core::int> :return_value;
-    dynamic :async_op_then;
-    dynamic :async_op_error;
-    dynamic :await_jump_var = 0;
-    dynamic :await_ctx_var;
-    dynamic :saved_try_context_var0;
-    dynamic :async_temporary_0;
-    function :async_op([dynamic :result, dynamic :exception, dynamic :stack_trace]) → dynamic yielding 
-      try {
-        #L1:
-        {
-          if(x) {
-            :async_temporary_0 = 2;
-          }
-          else {
-            asy::_awaitHelper(new self::MyFuture::value<core::int>(3), :async_op_then, :async_op_error, :async_op);
-            [yield] null;
-            :async_temporary_0 = :result;
-          }
-          :return_value = :async_temporary_0;
-          break #L1;
-        }
-        :completer.complete(:return_value);
-        return;
-      }
-      on dynamic catch(dynamic :exception, dynamic :stack_trace) {
-        :completer.completeError(:exception, :stack_trace);
-      }
-    :async_op_then = asy::_asyncThenWrapperHelper(:async_op);
-    :async_op_error = asy::_asyncErrorWrapperHelper(:async_op);
-    asy::Future::microtask<dynamic>(:async_op);
-    return :completer.future;
-  });
-  self::MyFuture<core::int> t2 = f.{self::MyFuture::then}<core::int>((core::bool x) → asy::Future<core::int> /* originally async */ {
-    final asy::Completer<asy::FutureOr<core::int>> :completer = asy::Completer::sync<asy::FutureOr<core::int>>();
-    asy::FutureOr<core::int> :return_value;
-    dynamic :async_op_then;
-    dynamic :async_op_error;
-    dynamic :await_jump_var = 0;
-    dynamic :await_ctx_var;
-    dynamic :saved_try_context_var0;
-    function :async_op([dynamic :result, dynamic :exception, dynamic :stack_trace]) → dynamic yielding 
-      try {
-        #L2:
-        {
-          asy::_awaitHelper(x, :async_op_then, :async_op_error, :async_op);
-          [yield] null;
-          :return_value = :result ? 2 : new self::MyFuture::value<core::int>(3);
-          break #L2;
-        }
-        :completer.complete(:return_value);
-        return;
-      }
-      on dynamic catch(dynamic :exception, dynamic :stack_trace) {
-        :completer.completeError(:exception, :stack_trace);
-      }
-    :async_op_then = asy::_asyncThenWrapperHelper(:async_op);
-    :async_op_error = asy::_asyncErrorWrapperHelper(:async_op);
-    asy::Future::microtask<dynamic>(:async_op);
-    return :completer.future;
+  self::MyFuture<core::int> t1 = f.{self::MyFuture::then}<core::int>((core::bool x) → asy::Future<core::int> async => x ? 2 : await new self::MyFuture::value<core::int>(3));
+  self::MyFuture<core::int> t2 = f.{self::MyFuture::then}<core::int>((core::bool x) → asy::Future<core::int> async {
+    return await x ? 2 : new self::MyFuture::value<core::int>(3);
   });
   self::MyFuture<core::int> t5 = f.{self::MyFuture::then}<core::int>((core::bool x) → core::Object => x ? 2 : new self::MyFuture::value<core::int>(3));
   self::MyFuture<core::int> t6 = f.{self::MyFuture::then}<core::int>((core::bool x) → asy::FutureOr<core::int> {