[sync] use std::multimap for BookmarkNodeMap

components/sync_bookmarks/bookmark_model_associator.cc

 // Copyright 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.
 
 #include "components/sync_bookmarks/bookmark_model_associator.h"
 
 #include <utility>
 
 #include "base/bind.h"
 #include "base/command_line.h"
@@ skipping 76 matching lines @@
   // |title|, and |is_folder| flags.
   static bool NodeMatches(const BookmarkNode* bookmark_node,
                           const GURL& url,
                           const std::string& title,
                           bool is_folder);
 
  private:
   // Maps bookmark node titles to instances, duplicates allowed.
   // Titles are converted to the sync internal format before
   // being used as keys for the map.
-  using BookmarkNodeMap = base::hash_multimap<std::string, const BookmarkNode*>;
+  using BookmarkNodeMap = std::multimap<std::string, const BookmarkNode*>;
   using BookmarkNodeRange =
       std::pair<BookmarkNodeMap::iterator, BookmarkNodeMap::iterator>;
 
   // Converts and truncates bookmark titles in the form sync does internally
   // to avoid mismatches due to sync munging titles.
   static void ConvertTitleToSyncInternalFormat(const std::string& input,
                                                std::string* output);
 
   const BookmarkNode* parent_node_;
   BookmarkNodeMap child_nodes_;
@@ skipping 895 matching lines @@
                                  syncer::BOOKMARKS);
       } else {
         context->set_native_model_sync_state(BEHIND);
       }
     }
   }
   return syncer::SyncError();
 }
 
 }  // namespace sync_bookmarks