WebUI: Move test_browser_proxy.js one level up.

chrome/test/data/webui/settings/privacy_page_test.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.
 
 cr.define('settings_privacy_page', function() {
   /**
    * @constructor
    * @extends {TestBrowserProxy}
    * @implements {settings.ClearBrowsingDataBrowserProxy}
    */
   function TestClearBrowsingDataBrowserProxy() {
-    settings.TestBrowserProxy.call(
+    TestBrowserProxy.call(
         this, ['initialize', 'clearBrowsingData', 'getImportantSites']);
 
     /**
      * The promise to return from |clearBrowsingData|.
      * Allows testing code to test what happens after the call is made, and
      * before the browser responds.
      * @private {?Promise}
      */
     this.clearBrowsingDataPromise_ = null;
 
     /**
      * Response for |getImportantSites|.
      * @private {!Array<!ImportantSite>}
      */
     this.importantSites_ = [];
   }
 
   TestClearBrowsingDataBrowserProxy.prototype = {
-    __proto__: settings.TestBrowserProxy.prototype,
+    __proto__: TestBrowserProxy.prototype,
 
     /** @param {!Promise} promise */
     setClearBrowsingDataPromise: function(promise) {
       this.clearBrowsingDataPromise_ = promise;
     },
 
     /** @override */
     clearBrowsingData: function(importantSites) {
       this.methodCalled('clearBrowsingData', importantSites);
       cr.webUIListenerCallback('browsing-data-removing', true);
@@ skipping 340 matching lines @@
     registerTests: function() {
       if (cr.isMac || cr.isWin)
         registerNativeCertificateManagerTests();
 
       registerClearBrowsingDataTests();
       registerPrivacyPageTests();
       registerSafeBrowsingExtendedReportingTests();
     },
   };
 });