Mac: remove some now-dead code and add a comment.

chrome/browser/importer/safari_importer.h

 // Copyright (c) 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_IMPORTER_SAFARI_IMPORTER_H_
 #define CHROME_BROWSER_IMPORTER_SAFARI_IMPORTER_H_
 
 #include "chrome/browser/importer/importer.h"
 
 #include <map>
@@ skipping 36 matching lines @@
   FRIEND_TEST(SafariImporterTest, HistoryImport);
 
   // Multiple URLs can share the same FavIcon, this is a map
   // of URLs -> IconIDs that we load as a temporary step before
   // actually loading the icons.
   typedef std::map<int64, std::set<GURL> > FaviconMap;
 
   void ImportBookmarks();
   void ImportPasswords();
   void ImportHistory();
-  void ImportHomepage();
 
   // Parse Safari's stored bookmarks.
   void ParseBookmarks(std::vector<ProfileWriter::BookmarkEntry>* bookmarks);
 
   // Function to recursively read Bookmarks out of Safari plist.
   // |bookmark_folder| The dictionary containing a folder to parse.
   // |parent_path_elements| Path elements up to this point.
   // |is_in_toolbar| Is this folder in the toolbar.
   // |out_bookmarks| BookMark element array to write into.
   void RecursiveReadBookmarksFolder(
@@ skipping 20 matching lines @@
   void LoadFaviconData(sqlite3* db,
                        const FaviconMap& favicon_map,
                        std::vector<history::ImportedFavIconUsage>* favicons);
 
   FilePath library_dir_;
 
   DISALLOW_COPY_AND_ASSIGN(SafariImporter);
 };
 
 #endif  // CHROME_BROWSER_IMPORTER_SAFARI_IMPORTER_H_