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

chrome/browser/ui/webui/chromeos/login/signin_screen_handler.h

Index: chrome/browser/ui/webui/chromeos/login/signin_screen_handler.h
diff --git a/chrome/browser/ui/webui/chromeos/login/signin_screen_handler.h b/chrome/browser/ui/webui/chromeos/login/signin_screen_handler.h
index 1c17b8cc328142821050a835e1c8bba980d71230..c77bc35b11fa875ce4d5d2321c1c0d7cb9fae9c8 100644
--- a/chrome/browser/ui/webui/chromeos/login/signin_screen_handler.h
+++ b/chrome/browser/ui/webui/chromeos/login/signin_screen_handler.h
@@ -193,6 +193,9 @@ class SigninScreenHandler
   virtual void UpdateState(NetworkStateInformer::State state,
                            ErrorScreenActor::ErrorReason reason) OVERRIDE;
 
+  // Required Local State preferences

[Nikita (slow), 2013/07/15 12:56:38]

nit: dot is missing.

[Alexander Alekseev, 2013/07/22 14:24:21]

Done.

+  static void RegisterPrefs(PrefRegistrySimple* registry);
+
  private:
   enum UIState {
     UI_STATE_UNKNOWN = 0,
@@ -379,6 +382,12 @@ class SigninScreenHandler
   // Attempts login for test.
   void SubmitLoginFormForTest();
 
+  // Update current input method (namely keyboard layout) to LRU by this user

[Nikita (slow), 2013/07/15 12:56:38]

nit: dot is missing.

[Alexander Alekseev, 2013/07/22 14:24:21]

Done.

+  void SetUserInputMethod(const std::string& username);
+
+  // Update current input method to HW default

[Nikita (slow), 2013/07/15 12:56:38]

nit: dot is missing.

[Alexander Alekseev, 2013/07/22 14:24:21]

Done.

+  void SetUserInputMethodHWDefault();
+
   // Current UI state of the signin screen.
   UIState ui_state_;