Input methods configuration on User Adding Screen should be consistent with signin screen.

chrome/browser/chromeos/login/ui/user_adding_screen_input_methods_controller.cc

+// 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.
+
+#include "chrome/browser/chromeos/login/ui/user_adding_screen_input_methods_controller.h"
+
+#include "components/user_manager/user_manager.h"
+
+namespace chromeos {
+
+UserAddingScreenInputMethodsController::UserAddingScreenInputMethodsController(
+    UserAddingScreen* screen)
+    : screen_(screen), active_user_on_show_(NULL) {
+  screen_->AddObserver(this);
+}
+
+UserAddingScreenInputMethodsController::
+    ~UserAddingScreenInputMethodsController() {
+  screen_->RemoveObserver(this);
+}
+
+void UserAddingScreenInputMethodsController::OnUserAddingStarted() {
+  active_user_on_show_ = user_manager::UserManager::Get()->GetActiveUser();
+  input_method::InputMethodManager* imm =
+      input_method::InputMethodManager::Get();
+  saved_ime_state_ = imm->GetActiveIMEState();
+  imm->SetState(saved_ime_state_->Clone());
+  imm->GetActiveIMEState()->EnableLockScreenLayouts();
+}
+
+void UserAddingScreenInputMethodsController::OnUserAddingFinished() {
+  if (user_manager::UserManager::Get()->GetActiveUser() == active_user_on_show_)
+    input_method::InputMethodManager::Get()->SetState(saved_ime_state_);
+
+  saved_ime_state_ = NULL;
+}
+
+}  // namespace chromeos