4th attempt to land change to remove NativeViewportService and

mojo/services/view_manager/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")
+
 # GYP version: mojo/mojo_services.gypi:mojo_view_manager
-component("view_manager") {
-  public_deps = [
-    "//mojo/services/public/cpp/view_manager:common",
-  ]
+shared_library("view_manager") {
+  output_name = "mojo_view_manager"
+
   deps = [
     "//base",
     "//cc/surfaces",
     "//mojo/application",
     "//mojo/common",
     "//mojo/environment:chromium",
-    "//mojo/public/c/system:for_component",
+    "//mojo/public/c/system:for_shared_library",
     "//mojo/public/cpp/bindings",
     "//mojo/public/interfaces/application",
     "//mojo/services/public/cpp/geometry",
     "//mojo/services/public/cpp/input_events",
     "//mojo/services/public/cpp/surfaces",
     "//mojo/services/public/interfaces/geometry",
     "//mojo/services/public/interfaces/input_events",
     "//mojo/services/public/interfaces/native_viewport",
     "//mojo/services/public/interfaces/surfaces",
     "//mojo/services/public/interfaces/view_manager",
@@ skipping 10 matching lines @@
 
   sources = [
     "access_policy.h",
     "access_policy_delegate.h",
     "connection_manager.cc",
     "connection_manager.h",
     "default_access_policy.cc",
     "default_access_policy.h",
     "display_manager.cc",
     "display_manager.h",
-    "ids.h",
     "main.cc",
     "server_view.cc",
     "server_view.h",
     "server_view_delegate.h",
     "view_manager_export.h",
     "view_manager_init_service_context.cc",
     "view_manager_init_service_context.h",
     "view_manager_init_service_impl.cc",
     "view_manager_init_service_impl.h",
     "view_manager_service_impl.cc",
     "view_manager_service_impl.h",
     "window_manager_access_policy.cc",
     "window_manager_access_policy.h",
   ]
 }
 
 # GYP version: mojo/mojo_services.gypi:mojo_view_manager_unittests
 test("mojo_view_manager_unittests") {
   deps = [
-    ":view_manager",
     "//base",
     "//base/test:test_support",
     "//mojo/application",
     "//mojo/application_manager",
     "//mojo/environment:chromium",
     "//mojo/public/cpp/bindings",
     "//mojo/services/public/cpp/input_events",
     "//mojo/services/public/cpp/geometry",
     "//mojo/services/public/cpp/view_manager",
     "//mojo/services/public/cpp/view_manager/lib:run_unittests",
-    "//mojo/services/public/cpp/view_manager:common",
-    "//mojo/services/public/interfaces/input_events",
-    "//mojo/services/public/interfaces/geometry",
-    "//mojo/services/public/interfaces/view_manager",
     "//mojo/shell:test_support",
     "//mojo/system",
     "//testing/gtest",
     "//ui/gfx/geometry",
   ]
 
+  if (use_x11) {
+    deps += ["//ui/gfx/x"]
+  }
+
+  if (is_component_build) {
+    deps += ["//ui/gl"]
+  }
+
   sources = [
     "test_change_tracker.cc",
     "test_change_tracker.h",
     "view_manager_unittest.cc",
   ]
 }