Center lock screen user pod when virtual keyboard is shown.

chrome/browser/resources/chromeos/login/login_common.js

 // Copyright 2013 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.
 
 /**
  * @fileoverview Common OOBE controller methods.
  */
 
 <include src="../../login/screen.js"></include>
 <include src="../user_images_grid.js"></include>
@@ skipping 292 matching lines @@
   };
 
   /**
    * Shows/hides login UI control bar with buttons like [Shut down].
    */
   Oobe.showControlBar = function(show) {
     Oobe.getInstance().headerHidden = !show;
   };
 
   /**
-   * Sets the current state of the virtual keyboard (shown/hidden).
+   * Sets the current state of the virtual keyboard (shown/hidden, size).
    */
-  Oobe.setKeyboardState = function(shown) {
+  Oobe.setKeyboardState = function(shown, width, height) {
     Oobe.getInstance().virtualKeyboardShown = shown;
+    Oobe.getInstance().setVirtualKeyboardSize(width, height);
   };
 
   /**
    * Sets the current size of the client area (display size).
    * @param {number} width client area width
    * @param {number} height client area height
    */
   Oobe.setClientAreaSize = function(width, height) {
     Oobe.getInstance().setClientAreaSize(width, height);
   };
@@ skipping 32 matching lines @@
   cr.ui.login.ResourceLoader.loadAssets(SCREEN_OOBE_ENROLLMENT, function() {
     // This screen is async-loaded so we manually trigger i18n processing.
     i18nTemplate.process($('oauth-enrollment'), loadTimeData);
     // Delayed binding since this isn't defined yet.
     login.OAuthEnrollmentScreen.register();
   });
 
   // Delayed binding since this isn't defined yet.
   cr.ui.Oobe.initialize();
 });