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

chrome/common/extensions/api/launcher_page.idl

 // Copyright 2014 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.
 
 // The <code>chrome.launcherPage</code> API provides launcher pages in the
 // Chrome Launcher with the capabilities and events they need.
-namespace launcherPage {
+[use_movable_types=true] namespace launcherPage {
   callback PushSubpageCallback = void();
   callback ShowCallback = void();
   callback HideCallback = void();
   callback SetEnabledCallback = void();
 
   interface Functions {
     // Pushes a subpage state onto a state stack for the launcher page. This
     // state will be popped when the launcher's back button is pressed,
     // preventing the launcher from hiding the launcher page and sending an
     // onPopSubpage event to the launcher page. Once all states are popped, the
@@ skipping 26 matching lines @@
     // It's possible for this to be called with a pushed subpage so this
     // event handler should account for transitioning from any subpage to a
     // collapsed view.
     static void onTransitionChanged(double progress);
 
     // Fired when the launcher's back button is pressed if there are remaining
     // subpages on the state stack pushed by pushSubpage().
     static void onPopSubpage();
   };
 };