Add a SigninAllowed policy.

chrome/browser/profiles/profile_io_data.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/browser/profiles/profile_io_data.h"
 
 #include <string>
 
 #include "base/basictypes.h"
 #include "base/bind.h"
@@ skipping 301 matching lines @@
     reverse_autologin_enabled_.Init(
         prefs::kReverseAutologinEnabled, pref_service);
     reverse_autologin_enabled_.MoveToThread(io_message_loop_proxy);
 
     one_click_signin_rejected_email_list_.Init(
         prefs::kReverseAutologinRejectedEmailList, pref_service);
     one_click_signin_rejected_email_list_.MoveToThread(io_message_loop_proxy);
 
     sync_disabled_.Init(prefs::kSyncManaged, pref_service);
     sync_disabled_.MoveToThread(io_message_loop_proxy);
+
+    signin_allowed_.Init(prefs::kSigninAllowed, pref_service);
+    signin_allowed_.MoveToThread(io_message_loop_proxy);
   }
 
   // The URLBlacklistManager has to be created on the UI thread to register
   // observers of |pref_service|, and it also has to clean up on
   // ShutdownOnUIThread to release these observers on the right thread.
   // Don't pass it in |profile_params_| to make sure it is correctly cleaned up,
   // in particular when this ProfileIOData isn't |initialized_| during deletion.
 #if defined(ENABLE_CONFIGURATION_POLICY)
   url_blacklist_manager_.reset(new policy::URLBlacklistManager(pref_service));
 #endif
@@ skipping 435 matching lines @@
   one_click_signin_rejected_email_list_.Destroy();
   enable_referrers_.Destroy();
   enable_do_not_track_.Destroy();
   force_safesearch_.Destroy();
 #if !defined(OS_CHROMEOS)
   enable_metrics_.Destroy();
 #endif
   safe_browsing_enabled_.Destroy();
   printing_enabled_.Destroy();
   sync_disabled_.Destroy();
+  signin_allowed_.Destroy();
   session_startup_pref_.Destroy();
 #if defined(ENABLE_CONFIGURATION_POLICY)
   if (url_blacklist_manager_.get())
     url_blacklist_manager_->ShutdownOnUIThread();
 #endif
   if (chrome_http_user_agent_settings_.get())
     chrome_http_user_agent_settings_->CleanupOnUIThread();
   bool posted = BrowserThread::DeleteSoon(BrowserThread::IO, FROM_HERE, this);
   if (!posted)
     delete this;
@@ skipping 34 matching lines @@
 void ProfileIOData::SetCookieSettingsForTesting(
     CookieSettings* cookie_settings) {
   DCHECK(!cookie_settings_.get());
   cookie_settings_ = cookie_settings;
 }
 
 void ProfileIOData::set_signin_names_for_testing(
     SigninNamesOnIOThread* signin_names) {
   signin_names_.reset(signin_names);
 }