Makes the instant url managed by group policy.

chrome/browser/policy/managed_prefs_banner_base.cc

 // Copyright (c) 2010 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/policy/managed_prefs_banner_base.h"
 
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/prefs/pref_service.h"
 #include "chrome/browser/prefs/pref_set_observer.h"
 #include "chrome/common/notification_details.h"
@@ skipping 44 matching lines @@
   switch (page) {
     case OPTIONS_PAGE_GENERAL:
       AddUserPref(prefs::kHomePage);
       AddUserPref(prefs::kHomePageIsNewTabPage);
       AddUserPref(prefs::kShowHomeButton);
       AddUserPref(prefs::kRestoreOnStartup);
       AddUserPref(prefs::kURLsToRestoreOnStartup);
       AddUserPref(prefs::kDefaultSearchProviderEnabled);
       AddUserPref(prefs::kDefaultSearchProviderName);
       AddUserPref(prefs::kDefaultSearchProviderKeyword);
+      AddUserPref(prefs::kDefaultSearchProviderInstantURL);
       AddUserPref(prefs::kDefaultSearchProviderSearchURL);
       AddUserPref(prefs::kDefaultSearchProviderSuggestURL);
       AddUserPref(prefs::kDefaultSearchProviderIconURL);
       AddUserPref(prefs::kDefaultSearchProviderEncodings);
       break;
     case OPTIONS_PAGE_CONTENT:
       AddUserPref(prefs::kSyncManaged);
       AddUserPref(prefs::kAutoFillEnabled);
       AddUserPref(prefs::kPasswordManagerEnabled);
 #if defined(OS_CHROMEOS)
@@ skipping 24 matching lines @@
                                      const NotificationDetails& details) {
   if (NotificationType::PREF_CHANGED == type) {
     std::string* pref = Details<std::string>(details).ptr();
     if (pref && (local_state_set_->IsObserved(*pref) ||
                  user_pref_set_->IsObserved(*pref)))
       OnUpdateVisibility();
   }
 }
 
 }  // namespace policy