MD Settings: Eliminate SettingsSubpageBrowsertest.

chrome/test/data/webui/BUILD.gn

 # Copyright 2017 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("//chrome/common/features.gni")
 import("//chrome/test/base/js2gtest.gni")
 
 js2gtest("interactive_ui_tests_js_webui") {
   test_type = "webui"
 
@@ skipping 96 matching lines @@
     "settings/basic_page_browsertest.js",
     "settings/cr_settings_browsertest.js",
     "settings/help_page_browsertest.js",
     "settings/on_startup_browsertest.js",
     "settings/passwords_and_autofill_fake_data.js",
     "settings/passwords_and_forms_browsertest.js",
     "settings/settings_autofill_section_browsertest.js",
     "settings/settings_idle_load_browsertest.js",
     "settings/settings_page_browsertest.js",
     "settings/settings_passwords_section_browsertest.js",
-    "settings/settings_subpage_browsertest.js",
     "settings/settings_ui_browsertest.js",
     "settings/site_settings_page_browsertest.js",
     "text_defaults_browsertest.js",
     "webui_resource_async_browsertest.js",
   ]
 
   if (is_chromeos) {
     sources += [ "settings/easy_unlock_browsertest_chromeos.js" ]
   }
 
@@ skipping 54 matching lines @@
       "../../../browser/resources/chromeos/braille_ime/braille_ime_unittest.gtestjs",
       "../../../browser/resources/chromeos/select_to_speak/select_to_speak_unittest.gtestjs",
     ]
     extra_js_files += [
       "../../../browser/resources/chromeos/braille_ime/braille_ime.js",
       "../../../browser/resources/chromeos/select_to_speak/select_to_speak.js",
       "../../../browser/resources/chromeos/select_to_speak/test_support.js",
     ]
   }
 }