WebUI: Move test_browser_proxy.js one level up.

chrome/test/data/webui/md_user_manager/user_manager_browsertest.js

 // Copyright 2016 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.
 
 /** @fileoverview Tests for the Material Design user manager page. */
 
 /** @const {string} Path to root from chrome/test/data/webui/md_user_manager/ */
 var ROOT_PATH = '../../../../../';
 
 // Polymer BrowserTest fixture.
 GEN_INCLUDE(
     [ROOT_PATH + 'chrome/test/data/webui/polymer_browser_test_base.js']);
 
 /**
  * @constructor
  * @extends {PolymerTest}
  */
 function UserManagerBrowserTest() {}
 
 UserManagerBrowserTest.prototype = {
   __proto__: PolymerTest.prototype,
 
   /** @override */
   browsePreload: 'chrome://md-user-manager/',
 
   /** @override */
   extraLibraries: PolymerTest.getLibraries(ROOT_PATH).concat([
-    '../settings/test_browser_proxy.js',
+    '../test_browser_proxy.js',
     'control_bar_tests.js',
     'create_profile_tests.js',
     'import_supervised_user_tests.js',
     'test_profile_browser_proxy.js',
     'user_manager_pages_tests.js',
   ]),
 
   /** @override */
   runAccessibilityChecks: false,
 };
 
 GEN('#if defined(OS_WIN)');
 GEN('#define MAYBE_UserManagerTest DISABLED_UserManagerTest');
 GEN('#else');
 GEN('#define MAYBE_UserManagerTest UserManagerTest');
 GEN('#endif');
 TEST_F('UserManagerBrowserTest', 'MAYBE_UserManagerTest', function() {
   user_manager.control_bar_tests.registerTests();
   user_manager.create_profile_tests.registerTests();
   user_manager.import_supervised_user_tests.registerTests();
   user_manager.user_manager_pages_tests.registerTests();
   mocha.run();
 });