Revert of Merge apps/pref* to extensions/browser/pref*

extensions/browser/extension_prefs.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 "extensions/browser/extension_prefs.h"
 
 #include <iterator>
 
 #include "base/command_line.h"
 #include "base/prefs/pref_notifier.h"
@@ skipping 1977 matching lines @@
   registry->RegisterListPref(pref_names::kNativeMessagingWhitelist,
                              user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
   registry->RegisterBooleanPref(
       pref_names::kNativeMessagingUserLevelHosts,
       true,  // default value
       user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
   registry->RegisterIntegerPref(
       kCorruptedDisableCount,
       0,  // default value
       user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
-
-#if !defined(OS_MACOSX)
-  registry->RegisterBooleanPref(
-      pref_names::kAppFullscreenAllowed, true,
-      user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
-#endif
 }
 
 template <class ExtensionIdContainer>
 bool ExtensionPrefs::GetUserExtensionPrefIntoContainer(
     const char* pref,
     ExtensionIdContainer* id_container_out) {
   DCHECK(id_container_out->empty());
 
   const base::Value* user_pref_value = prefs_->GetUserPrefValue(pref);
   const base::ListValue* user_pref_as_list;
@@ skipping 172 matching lines @@
   extension_pref_value_map_->RegisterExtension(
       extension_id, install_time, is_enabled, is_incognito_enabled);
 
   FOR_EACH_OBSERVER(
       ExtensionPrefsObserver,
       observer_list_,
       OnExtensionRegistered(extension_id, install_time, is_enabled));
 }
 
 }  // namespace extensions