mus: Use TooltipManagerAura in NativeWidgetMus.

services/ui/public/cpp/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")
 
 # This is the public target. It contains only the public headers. The
 # implementation (and private haders) are in 'internal'.
 source_set("cpp") {
   sources = [
@@ skipping 55 matching lines @@
     ":internal",
     ":internal_or_test",
   ]
 }
 
 # This target is for use internally and by tests.
 source_set("internal_or_test") {
   visibility = [
     "./*",
     "//services/ui/ws:mus_ws_unittests",
+    "//ui/views/mus:views_mus_unittests",
   ]
 
   sources = [
     "window_private.h",
   ]
 
   deps = [
     "//base",
     "//mojo/public/cpp/bindings",
   ]
@@ skipping 63 matching lines @@
   data_deps = [
     "//services/ui",
   ]
 
   defines = [ "GL_GLEXT_PROTOTYPES" ]
 
   if (use_ozone) {
     deps += [ "//ui/ozone" ]
   }
 }