Move kernel baseline tests to front_end.

pkg/front_end/test/fasta/implicit_this.dart

Index: pkg/front_end/test/fasta/implicit_this.dart
diff --git a/pkg/front_end/test/fasta/implicit_this.dart b/pkg/front_end/test/fasta/implicit_this.dart
deleted file mode 100644
index ed2a43534e93ad78e4eac50bb3f87de72ca968df..0000000000000000000000000000000000000000
--- a/pkg/front_end/test/fasta/implicit_this.dart
+++ /dev/null
@@ -1,24 +0,0 @@
-// Copyright (c) 2016, 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.
-
-class C {
-  m() {
-    print("Called m");
-  }
-
-  testC() {
-    m();
-  }
-}
-
-class D extends C {
-  testD() {
-    m();
-  }
-}
-
-main() {
-  new C().testC();
-  new D().testD();
-}