Dart: Reorganize files

mojo/dart/test/core_types_test.dart

Index: mojo/dart/test/core_types_test.dart
diff --git a/mojo/dart/test/core_types_test.dart b/mojo/dart/test/core_types_test.dart
deleted file mode 100644
index 190f13913300fa7db38a6185bd72424fafd6f052..0000000000000000000000000000000000000000
--- a/mojo/dart/test/core_types_test.dart
+++ /dev/null
@@ -1,19 +0,0 @@
-// Copyright 2014 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-int returnInt() => 0;
-bool returnBool() => true;
-double returnDouble() => 0.42;
-String returnString() => "String";
-List<int> returnIntList() => [1,2,3,4,5];
-Map<String, int> returnMap() => {'thing1': 1, 'thing2': 2};
-
-int main() {
-  returnInt();
-  returnBool();
-  returnDouble();
-  returnString();
-  returnIntList();
-  returnMap();
-}