bookmarks: Move BookmarkNode into 'bookmarks' namespace.

components/bookmarks/test/bookmark_test_helpers.h

 // 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.
 
 #ifndef COMPONENTS_BOOKMARKS_TEST_BOOKMARK_TEST_HELPERS_H_
 #define COMPONENTS_BOOKMARKS_TEST_BOOKMARK_TEST_HELPERS_H_
 
 #include <string>
 
+namespace bookmarks {
+
+class BookmarkModel;
 class BookmarkNode;
 
-namespace bookmarks {
-class BookmarkModel;
-
 namespace test {
 
 // Blocks until |model| finishes loading.
 void WaitForBookmarkModelToLoad(BookmarkModel* model);
 
 // Return the descendants of |node| as a string useful for verifying node
 // modifications. The format of the resulting string is:
 //
 //           result = node " " , { node " " }
 //             node = bookmark title | folder
@@ skipping 15 matching lines @@
 // NOTE: The string format is very rigid and easily broken if not followed
 //       exactly (since we're using a very simple parser).
 void AddNodesFromModelString(BookmarkModel* model,
                              const BookmarkNode* node,
                              const std::string& model_string);
 
 }  // namespace test
 }  // namespace bookmarks
 
 #endif  // COMPONENTS_BOOKMARKS_TEST_BOOKMARK_TEST_HELPERS_H_