Add support for the new function-type syntax.

pkg/front_end/test/fasta/function_type_recovery_test.dart

Index: pkg/front_end/test/fasta/function_type_recovery_test.dart
diff --git a/pkg/front_end/test/fasta/function_type_recovery_test.dart b/pkg/front_end/test/fasta/function_type_recovery_test.dart
new file mode 100644
index 0000000000000000000000000000000000000000..a7483273807f780b7e1e134496933c5bb843f38c
--- /dev/null
+++ b/pkg/front_end/test/fasta/function_type_recovery_test.dart
@@ -0,0 +1,13 @@
+// Copyright (c) 2017, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
+// Tests that an inline function type inside a `Function` type isn't a
+// parser error.
+
+typedef F = int Function(int f(String x));
+
+main() {
+  F f = null;
+  String Function(String g(int y)) g = null;
+}