GN build rules for all unit test targets in mojo/

mojo/services/BUILD.gn

Index: mojo/services/BUILD.gn
diff --git a/mojo/services/BUILD.gn b/mojo/services/BUILD.gn
index 2d7f34a12bc6d8706ca3369a41155587ad7d3655..f35e5d7cc7a58f1b86fdf2310132bcd4ff354d20 100644
--- a/mojo/services/BUILD.gn
+++ b/mojo/services/BUILD.gn
@@ -2,6 +2,8 @@
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
+import("//build/config/ui.gni")
+
 group("services") {
   deps = [
     "//mojo/services/dbus_echo:bindings",
@@ -15,9 +17,14 @@ group("services") {
     "//mojo/services/public/interfaces/navigation",
     "//mojo/services/public/interfaces/network",
     "//mojo/services/public/interfaces/surfaces",
-    "//mojo/services/public/interfaces/view_manager",
-    "//mojo/services/public/interfaces/window_manager",
     "//mojo/services/surfaces",
     "//mojo/services/test_service:bindings",
   ]
+  if (use_aura) {
+    deps += [
+      "//mojo/services/public/interfaces/view_manager",
+      "//mojo/services/public/interfaces/window_manager",
+      "//mojo/services/window_manager",
+    ]
+  }
 }