Moves services implementations out of third_party/mojo_services

third_party/mojo_services/src/view_manager/public/cpp/tests/BUILD.gn

-# 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.
-
-import("//build/config/ui.gni")
-import("//testing/test.gni")
-
-test("mojo_view_manager_lib_unittests") {
-  sources = [
-    "run_all_unittests.cc",
-    "view_manager_test_suite.cc",
-    "view_manager_test_suite.h",
-    "view_unittest.cc",
-  ]
-
-  deps = [
-    "//base",
-    "//base/test:test_support",
-    # TODO(vtl): These non-public deps are illegal here. This should be
-    # converted to an apptest.
-    "//mojo/application",
-    "//mojo/edk/system",
-    "//mojo/environment:chromium",
-    "//mojo/public/cpp/application",
-    "//mojo/public/cpp/system",
-    "//mojo/services/geometry/public/cpp",
-    "//mojo/services/geometry/public/interfaces",
-    "//mojo/services/view_manager/public/cpp",
-    "//testing/gtest",
-  ]
-
-  if (use_x11) {
-    deps += [ "//ui/gfx/x" ]
-  }
-}