We should switch the keyboard layout to the layout the user set according to

chrome/common/pref_names.cc

 // 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.
 
 #include "chrome/common/pref_names.h"
 
 #include "base/basictypes.h"
 #include "chrome/common/pref_font_webkit_names.h"
 
 namespace prefs {
@@ skipping 2485 matching lines @@
 extern const char kLastAppListAppLaunchPing[] = "app_list.last_app_launch_ping";
 
 // How often the bubble has been shown.
 extern const char kModuleConflictBubbleShown[] = "module_conflict.bubble_shown";
 
 // A string pref for storing the salt used to compute the pepper device ID.
 const char kDRMSalt[] = "settings.privacy.drm_salt";
 // A boolean pref that enables the (private) pepper GetDeviceID() call.
 const char kEnableDRM[] = "settings.privacy.drm_enabled";
 
+#if defined(OS_CHROMEOS)
+// Dictionary of per-user Least Recently Used input method
+// (used at login screen)

[Mattias Nissler (ping if slow), 2013/07/11 10:05:49]

nit: Missing period, not using the full line width on line 2507 for the comment.

[Alexander Alekseev, 2013/07/12 20:10:49]

Done.

+extern const char kUsersLRUInputMethod[] = "UsersLRUInputMethod";

[Mattias Nissler (ping if slow), 2013/07/11 10:05:49]

This should be earlier in this file (the file as three sections "PROFILE PREFS",
"LOCAL STATE", "SERVICE PREFS") in the "LOCAL STATE" section, note that there's
a whole section of Chrome OS section there where you can add your pref. I know
I'm fighting a lost battle here, but still :)

[Alexander Alekseev, 2013/07/12 20:10:49]

Done.

+#endif
+
 }  // namespace prefs