bookmarks: Get rid of SetFileChanged() as it's called only once.

chrome/browser/bookmarks/bookmark_model.h

 // Copyright (c) 2011 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_H_
 #define CHROME_BROWSER_BOOKMARKS_BOOKMARK_MODEL_H_
 #pragma once
 
 #include <set>
 #include <vector>
@@ skipping 412 matching lines @@
                        const content::NotificationDetails& details) OVERRIDE;
 
   // Generates and returns the next node ID.
   int64 generate_next_node_id();
 
   // Sets the maximum node ID to the given value.
   // This is used by BookmarkCodec to report the maximum ID after it's done
   // decoding since during decoding codec assigns node IDs.
   void set_next_node_id(int64 id) { next_node_id_ = id; }
 
-  // Records that the bookmarks file was changed externally.
-  void SetFileChanged();
-
   // Creates and returns a new BookmarkLoadDetails. It's up to the caller to
   // delete the returned object.
   BookmarkLoadDetails* CreateLoadDetails();
 
   content::NotificationRegistrar registrar_;
 
   Profile* profile_;
 
   // Whether the initial set of data has been loaded.
   bool loaded_;
@@ skipping 33 matching lines @@
   scoped_ptr<BookmarkIndex> index_;
 
   base::WaitableEvent loaded_signal_;
 
   scoped_ptr<BookmarkExpandedStateTracker> expanded_state_tracker_;
 
   DISALLOW_COPY_AND_ASSIGN(BookmarkModel);
 };
 
 #endif  // CHROME_BROWSER_BOOKMARKS_BOOKMARK_MODEL_H_