bookmarks: Move BookmarkNode into 'bookmarks' namespace.

chrome/browser/extensions/api/bookmarks/bookmark_api_helpers.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/bookmarks/bookmark_api_helpers.h"
 
 #include <math.h>  // For floor()
 #include <vector>
 
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/browser/bookmarks/chrome_bookmark_client.h"
 #include "chrome/browser/extensions/api/bookmarks/bookmark_api_constants.h"
 #include "chrome/common/extensions/api/bookmarks.h"
 #include "components/bookmarks/browser/bookmark_model.h"
 #include "components/bookmarks/browser/bookmark_utils.h"
 
 using bookmarks::BookmarkModel;
+using bookmarks::BookmarkNode;
 
 namespace extensions {
 
 namespace keys = bookmark_api_constants;
 using api::bookmarks::BookmarkTreeNode;
 
 namespace bookmark_api_helpers {
 
 namespace {
 
@@ skipping 124 matching lines @@
 
   if (node.is_folder()) {
     for (int i = 0; i < node.child_count(); ++i) {
       GetMetaInfo(*(node.GetChild(i)), id_to_meta_info_map);
     }
   }
 }
 
 }  // namespace bookmark_api_helpers
 }  // namespace extensions