Remove IME related configuration preferences in Chrome OS.

chrome/browser/resources/options/options.js

 // Copyright (c) 2012 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.
 
 var AddLanguageOverlay = options.AddLanguageOverlay;
 var AlertOverlay = options.AlertOverlay;
 var AutofillEditAddressOverlay = options.AutofillEditAddressOverlay;
 var AutofillEditCreditCardOverlay = options.AutofillEditCreditCardOverlay;
 var AutofillOptions = options.AutofillOptions;
 var BrowserOptions = options.BrowserOptions;
@@ skipping 178 matching lines @@
     OptionsPage.registerOverlay(DisplayOverscan.getInstance(),
                                 DisplayOptions.getInstance());
     OptionsPage.registerOverlay(KeyboardOverlay.getInstance(),
                                 BrowserOptions.getInstance(),
                                 [$('keyboard-settings-button')]);
     OptionsPage.registerOverlay(PointerOverlay.getInstance(),
                                 BrowserOptions.getInstance(),
                                 [$('pointer-settings-button')]);
     OptionsPage.registerOverlay(PreferredNetworks.getInstance(),
                                 BrowserOptions.getInstance());
-    OptionsPage.registerOverlay(
-        new OptionsPage('languageChewing',
-                        loadTimeData.getString('languageChewingPageTabTitle'),
-                        'languageChewingPage'),
-        LanguageOptions.getInstance());
-    OptionsPage.registerOverlay(
-        new OptionsPage('languageHangul',
-                        loadTimeData.getString('languageHangulPageTabTitle'),
-                        'languageHangulPage'),
-        LanguageOptions.getInstance());
-    OptionsPage.registerOverlay(
-        new OptionsPage('languageMozc',
-                        loadTimeData.getString('languageMozcPageTabTitle'),
-                        'languageMozcPage'),
-        LanguageOptions.getInstance());
-    OptionsPage.registerOverlay(
-        new OptionsPage('languagePinyin',
-                        loadTimeData.getString('languagePinyinPageTabTitle'),
-                        'languagePinyinPage'),
-        LanguageOptions.getInstance());
   }
 
   if (!cr.isWindows && !cr.isMac) {
     OptionsPage.registerOverlay(CertificateBackupOverlay.getInstance(),
                                 CertificateManager.getInstance());
     OptionsPage.registerOverlay(CertificateEditCaTrustOverlay.getInstance(),
                                 CertificateManager.getInstance());
     OptionsPage.registerOverlay(CertificateImportErrorOverlay.getInstance(),
                                 CertificateManager.getInstance());
     OptionsPage.registerOverlay(CertificateManager.getInstance(),
@@ skipping 43 matching lines @@
   options.OptionsPage.willClose();
 };
 
 /**
  * Listener for the |popstate| event.
  * @param {Event} e The |popstate| event.
  */
 window.onpopstate = function(e) {
   options.OptionsPage.setState(e.state);
 };