Moved ExtensionPrefs and related into extensions namespace

chrome/browser/extensions/extension_sorting.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/extensions/extension_sorting.h"
 
 #include "chrome/browser/extensions/extension_scoped_prefs.h"
 #include "chrome/browser/extensions/extension_service.h"
 #include "chrome/browser/prefs/pref_service.h"
 #include "chrome/common/chrome_notification_types.h"
 #include "content/public/browser/notification_service.h"
 
+using extensions::ExtensionPrefs;
+
 namespace {
 
 // The number of apps per page. This isn't a hard limit, but new apps installed
 // from the webstore will overflow onto a new page if this limit is reached.
 const size_t kNaturalAppPageSize = 18;
 
 // A preference determining the order of which the apps appear on the NTP.
 const char kPrefAppLaunchIndexDeprecated[] = "app_launcher_index";
 const char kPrefAppLaunchOrdinal[] = "app_launcher_ordinal";
 
@@ skipping 480 matching lines @@
     if (ext) {
       // It is possible for old extension to have ordinal values, but they
       // shouldn't so we clear them.
       if (!ext->is_app())
         ClearOrdinals(extension_id);
 
       extension_service_->SyncExtensionChangeIfNeeded(*ext);
     }
   }
 }