bookmarks: Cleanup, remove BookmarkModelTestUtils class.

chrome/browser/bookmarks/bookmark_model_test_utils.h

-// Copyright (c) 2006-2009 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 CHROME_BROWSER_BOOKMARKS_BOOKMARK_MODEL_TEST_UTILS_H_
-#define CHROME_BROWSER_BOOKMARKS_BOOKMARK_MODEL_TEST_UTILS_H_
-
-#include <string>
-
-#include "base/basictypes.h"
-
-class BookmarkModel;
-class BookmarkNode;
-
-// Contains utilities for bookmark model related tests.
-class BookmarkModelTestUtils {
- public:
-  // 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
-  //           folder = folder title ":[ " { node " " } "]"
-  //   bookmark title = (* string with no spaces *)
-  //     folder title = (* string with no spaces *)
-  //
-  // Example: "a f1:[ b d c ] d f2:[ e f g ] h "
-  //
-  // (Logically, we should use |string16|s, but it's more convenient for test
-  // purposes to use (UTF-8) |std::string|s.)
-  static std::string ModelStringFromNode(const BookmarkNode* node);
-
-  // Create and add the node hierarchy specified by |nodeString| to the
-  // bookmark node given by |node|. The string has the same format as
-  // specified for ModelStringFromNode. The new nodes added to |node|
-  // are appended to the end of node's existing subnodes, if any.
-  // |model| must be the model of which |node| is a member.
-  // NOTE: The string format is very rigid and easily broken if not followed
-  //       exactly (since we're using a very simple parser).
-  static void AddNodesFromModelString(BookmarkModel* model,
-                                      const BookmarkNode* node,
-                                      const std::string& model_string);
-
- private:
-  DISALLOW_IMPLICIT_CONSTRUCTORS(BookmarkModelTestUtils);
-};
-
-#endif  // CHROME_BROWSER_BOOKMARKS_BOOKMARK_MODEL_TEST_UTILS_H_