Revert of Change base::Value::ListStorage to std::vector<base::Value>

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

 // Copyright (c) 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.
 
 #include "chrome/browser/ui/webui/chromeos/login/signin_screen_handler.h"
 
 #include <stddef.h>
 
 #include <algorithm>
 #include <vector>
@@ skipping 229 matching lines @@
 
   std::vector<std::string> allowed_input_methods;
 
   // Add user's input method first so it is pre-selected.
   if (!user_input_method.empty()) {
     allowed_input_methods.push_back(user_input_method);
   }
 
   std::string input_method;
   for (const auto& input_method_entry : *login_screen_input_methods) {
-    if (input_method_entry.GetAsString(&input_method))
+    if (input_method_entry->GetAsString(&input_method))
       allowed_input_methods.push_back(input_method);
   }
   chromeos::input_method::InputMethodManager* imm =
       chromeos::input_method::InputMethodManager::Get();
   imm->GetActiveIMEState()->SetAllowedInputMethods(allowed_input_methods);
 }
 
 void StopEnforcingPolicyInputMethods() {
   // Empty means all input methods are allowed
   std::vector<std::string> allowed_input_methods;
@@ skipping 1394 matching lines @@
   rate.initial_delay_in_ms = auto_repeat_delay;
   rate.repeat_interval_in_ms = auto_repeat_interval;
   input_method::InputMethodManager::Get()
       ->GetImeKeyboard()
       ->SetAutoRepeatEnabled(true);
   input_method::InputMethodManager::Get()->GetImeKeyboard()->SetAutoRepeatRate(
       rate);
 }
 
 }  // namespace chromeos