[Extensions] Convert APIs to use movable types [7]

chrome/common/extensions/api/language_settings_private.idl

 // Copyright 2015 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.
 
 // Use the <code>chrome.languageSettingsPrivate</code> API to get or change
 // language and input method settings.
-namespace languageSettingsPrivate {
+[use_movable_types=true] namespace languageSettingsPrivate {
   dictionary Language {
     // The unique code identifying the language.
     DOMString code;
 
     // The name of the language, in the current UI language.
     DOMString displayName;
 
     // The name of the language as it is in its own language.
     DOMString nativeDisplayName;
 
@@ skipping 107 matching lines @@
     static void onCustomDictionaryChanged(
         DOMString[] wordsAdded, DOMString[] wordsRemoved);
 
     // Called when an input method is added.
     static void onInputMethodAdded(DOMString inputMethodId);
 
     // Called when an input method is removed.
     static void onInputMethodRemoved(DOMString inputMethodId);
   };
 };