Add confirmation dialog when enabling a 3rd party IME.

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 AutomaticSettingsResetBanner = options.AutomaticSettingsResetBanner;
@@ skipping 23 matching lines @@
 var OptionsPage = options.OptionsPage;
 var PasswordManager = options.PasswordManager;
 var Preferences = options.Preferences;
 var PreferredNetworks = options.PreferredNetworks;
 var ResetProfileSettingsBanner = options.ResetProfileSettingsBanner;
 var ResetProfileSettingsOverlay = options.ResetProfileSettingsOverlay;
 var SearchEngineManager = options.SearchEngineManager;
 var SearchPage = options.SearchPage;
 var StartupOverlay = options.StartupOverlay;
 var SyncSetupOverlay = options.SyncSetupOverlay;
+var ThirdPartyImeConfirmOverlay = options.ThirdPartyImeConfirmOverlay;
 
 /**
  * DOMContentLoaded handler, sets up the page.
  */
 function load() {
   // Decorate the existing elements in the document.
   cr.ui.decorate('input[pref][type=checkbox]', options.PrefCheckbox);
   cr.ui.decorate('input[pref][type=number]', options.PrefNumber);
   cr.ui.decorate('input[pref][type=radio]', options.PrefRadio);
   cr.ui.decorate('input[pref][type=range]', options.PrefRange);
@@ skipping 140 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(ThirdPartyImeConfirmOverlay.getInstance(),
+                                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);
 };