Extract GetNodeByID() method from BookmarkModel.

chrome/browser/bookmarks/bookmark_model.h

 // 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.
 
 #ifndef CHROME_BROWSER_BOOKMARKS_BOOKMARK_MODEL_H_
 #define CHROME_BROWSER_BOOKMARKS_BOOKMARK_MODEL_H_
 
 #include <map>
 #include <set>
 #include <vector>
@@ skipping 155 matching lines @@
   // Returns all the bookmarked urls and their titles.
   // This method is thread safe.
   // See BookmarkService for more details on this.
   virtual void GetBookmarks(
       std::vector<BookmarkService::URLAndTitle>* urls) OVERRIDE;
 
   // Blocks until loaded; this is NOT invoked on the main thread.
   // See BookmarkService for more details on this.
   virtual void BlockTillLoaded() OVERRIDE;
 
-  // Returns the node with |id|, or NULL if there is no node with |id|.
-  const BookmarkNode* GetNodeByID(int64 id) const;
-
   // Adds a new folder node at the specified position.
   const BookmarkNode* AddFolder(const BookmarkNode* parent,
                                 int index,
                                 const base::string16& title);
 
   // Adds a url at the specified position.
   const BookmarkNode* AddURL(const BookmarkNode* parent,
                              int index,
                              const base::string16& title,
                              const GURL& url);
@@ skipping 206 matching lines @@
 
   // See description of IsDoingExtensiveChanges above.
   int extensive_changes_;
 
   scoped_ptr<BookmarkExpandedStateTracker> expanded_state_tracker_;
 
   DISALLOW_COPY_AND_ASSIGN(BookmarkModel);
 };
 
 #endif  // CHROME_BROWSER_BOOKMARKS_BOOKMARK_MODEL_H_