Add confirmation dialog when enabling a 3rd party IME.

chrome/browser/resources/options/options_bundle.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.
 //
 // This file exists to aggregate all of the javascript used by the
 // settings page into a single file which will be flattened and served
 // as a single resource.
 <include src="preferences.js"></include>
 <include src="controlled_setting.js"></include>
 <include src="deletable_item_list.js"></include>
@@ skipping 20 matching lines @@
 <include src="chromeos/bluetooth_add_device_overlay.js"></include>
 <include src="chromeos/bluetooth_pair_device_overlay.js"></include>
 <include src="chromeos/accounts_options.js"></include>
 <include src="chromeos/proxy_rules_list.js"></include>
 <include src="chromeos/accounts_user_list.js"></include>
 <include src="chromeos/accounts_user_name_edit.js"></include>
 <include src="chromeos/display_options.js"></include>
 <include src="chromeos/display_overscan.js"></include>
 <include src="chromeos/keyboard_overlay.js"></include>
 <include src="chromeos/pointer_overlay.js"></include>
+<include src="chromeos/third_party_ime_confirm_overlay.js"></include>
 var AccountsOptions = options.AccountsOptions;
 var ChangePictureOptions = options.ChangePictureOptions;
 var DetailsInternetPage = options.internet.DetailsInternetPage;
 var DisplayOptions = options.DisplayOptions;
 var DisplayOverscan = options.DisplayOverscan;
 var BluetoothOptions = options.BluetoothOptions;
 var BluetoothPairing = options.BluetoothPairing;
 var KeyboardOverlay = options.KeyboardOverlay;
 var PointerOverlay = options.PointerOverlay;
 var UIAccountTweaks = uiAccountTweaks.UIAccountTweaks;
@@ skipping 58 matching lines @@
 <include src="search_engine_manager.js"></include>
 <include src="search_engine_manager_engine_list.js"></include>
 <include src="search_page.js"></include>
 <include src="startup_overlay.js"></include>
 <include src="../sync_setup_overlay.js"></include>
 <include src="../uber/uber_utils.js"></include>
 <include src="options.js"></include>
 <if expr="enable_settings_app">
 <include src="options_settings_app.js"></include>
 </if>