components: Move user_prefs into user_prefs namespace.

chrome/browser/extensions/api/bookmark_manager_private/bookmark_manager_private_api.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/api/bookmark_manager_private/bookmark_manager_private_api.h"
 
 #include <vector>
 
 #include "base/json/json_writer.h"
 #include "base/prefs/pref_service.h"
@@ skipping 495 matching lines @@
   scoped_ptr<ListValue> json(new ListValue());
   if (params->folders_only)
     bookmark_api_helpers::AddNodeFoldersOnly(node, json.get(), true);
   else
     bookmark_api_helpers::AddNode(node, json.get(), true);
   SetResult(json.release());
   return true;
 }
 
 bool BookmarkManagerPrivateCanEditFunction::RunImpl() {
-  PrefService* prefs = components::UserPrefs::Get(profile_);
+  PrefService* prefs = user_prefs::UserPrefs::Get(profile_);
   SetResult(new base::FundamentalValue(
       prefs->GetBoolean(prefs::kEditBookmarksEnabled)));
   return true;
 }
 
 bool BookmarkManagerPrivateRecordLaunchFunction::RunImpl() {
   bookmark_utils::RecordBookmarkLaunch(bookmark_utils::LAUNCH_MANAGER);
   return true;
 }
 
 bool BookmarkManagerPrivateCanOpenNewWindowsFunction::RunImpl() {
   bool can_open_new_windows = true;
 
 #if defined(OS_WIN)
   if (win8::IsSingleWindowMetroMode())
     can_open_new_windows = false;
 #endif  // OS_WIN
 
   SetResult(new base::FundamentalValue(can_open_new_windows));
   return true;
 }
 
 }  // namespace extensions