WebUI: Move test_browser_proxy.js one level up.

chrome/test/data/webui/settings/android_apps_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.
 
 /**
  * @constructor
  * @implements {settings.AndroidAppsBrowserProxy}
- * @extends {settings.TestBrowserProxy}
+ * @extends {test.TestBrowserProxy}
  */
 function TestAndroidAppsBrowserProxy() {
-  settings.TestBrowserProxy.call(this, [
+  test.TestBrowserProxy.call(this, [
     'requestAndroidAppsInfo',
     'showAndroidAppsSettings',
   ]);
 }
 
 TestAndroidAppsBrowserProxy.prototype = {
-  __proto__: settings.TestBrowserProxy.prototype,
+  __proto__: test.TestBrowserProxy.prototype,
 
   /** @override */
   requestAndroidAppsInfo: function() {
     this.methodCalled('requestAndroidAppsInfo');
     this.setAndroidAppsState(false, false);
   },
 
   /** override */
   showAndroidAppsSettings: function(keyboardAction) {
     this.methodCalled('showAndroidAppsSettings');
@@ skipping 149 matching lines @@
           });
     });
 
     test('Sanity', function() {
       Polymer.dom.flush();
       assertTrue(!!subpage.$$('#manageApps'));
       assertFalse(!!subpage.$$('#remove'));
     });
   });
 });