Revert "Delete the ViewManager and WindowManager services."

mojo/services/view_manager/interfaces/view_manager_constants.mojom

Index: mojo/services/view_manager/interfaces/view_manager_constants.mojom
diff --git a/mojo/public/interfaces/bindings/tests/no_module.mojom b/mojo/services/view_manager/interfaces/view_manager_constants.mojom
similarity index 66%
copy from mojo/public/interfaces/bindings/tests/no_module.mojom
copy to mojo/services/view_manager/interfaces/view_manager_constants.mojom
index f3800112904ec7413c2412ce4cf1ac3ab48d24be..c18fee7095bcbf98475e6b4edffb20ca5ce80173 100644
--- a/mojo/public/interfaces/bindings/tests/no_module.mojom
+++ b/mojo/services/view_manager/interfaces/view_manager_constants.mojom
@@ -2,8 +2,10 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-// Entities without module
+[DartPackage="mojo_services"]
+module mojo;
 
-enum EnumWithoutModule {
-  A
+enum OrderDirection {
+  ABOVE = 1,
+  BELOW,
 };