WebUI: Move test_browser_proxy.js one level up.

chrome/test/data/webui/settings/fake_language_settings_private.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 Fake implementation of chrome.languageSettingsPrivate
  * for testing.
  */
 cr.define('settings', function() {
   /**
@@ skipping 14 matching lines @@
    * @extends {TestBrowserProxy}
    * @implements {LanguageSettingsPrivate}
    */
   function FakeLanguageSettingsPrivate() {
     this.onSpellcheckDictionariesChanged = new FakeChromeEvent();
     this.onCustomDictionaryChanged = new FakeChromeEvent();
     this.onInputMethodAdded = new FakeChromeEvent();
     this.onInputMethodRemoved = new FakeChromeEvent();
 
     // List of method names expected to be tested with whenCalled()
-    settings.TestBrowserProxy.call(this, [
+    TestBrowserProxy.call(this, [
       'getSpellcheckWords',
     ]);
 
     /** @type {!Array<!chrome.languageSettingsPrivate.Language>} */
     this.languages = [{
       // English and some variants.
       code: 'en',
       displayName: 'English',
       nativeDisplayName: 'English',
       supportsTranslate: true,
@@ skipping 57 matching lines @@
       enabled: false,
     }, {
       id: '_comp_ime_abcdefghijklmnopqrstuvwxyzabcdefxkb:us:sw',
       displayName: 'US Swahili keyboard',
       languageCodes: ['en', 'en-US', 'sw'],
       enabled: false,
     }];
   }
 
   FakeLanguageSettingsPrivate.prototype = {
-    __proto__: settings.TestBrowserProxy.prototype,
+    __proto__: TestBrowserProxy.prototype,
     // Methods for use in testing.
 
     /** @param {SettingsPrefsElement} */
     setSettingsPrefs: function(settingsPrefs) {
       this.settingsPrefs_ = settingsPrefs;
     },
 
     // LanguageSettingsPrivate fake.
 
     /**
@@ skipping 212 matching lines @@
         value: false,
       });
     }
     return fakePrefs;
   }
   return {
     FakeLanguageSettingsPrivate: FakeLanguageSettingsPrivate,
     getFakeLanguagePrefs: getFakeLanguagePrefs,
   };
 });