sync: Specialize functions that fetch type root

chrome/browser/sync/glue/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 "chrome/browser/sync/glue/bookmark_model_associator.h"
 
 #include <stack>
 
 #include "base/bind.h"
 #include "base/command_line.h"
@@ skipping 369 matching lines @@
     return false;
 
   Associate(permanent_node, sync_id);
   return true;
 }
 
 bool BookmarkModelAssociator::GetSyncIdForTaggedNode(const std::string& tag,
                                                      int64* sync_id) {
   syncer::ReadTransaction trans(FROM_HERE, user_share_);
   syncer::ReadNode sync_node(&trans);
-  if (sync_node.InitByTagLookup(tag.c_str()) != syncer::BaseNode::INIT_OK)
+  if (sync_node.InitByTagLookupForBookmarks(
+      tag.c_str()) != syncer::BaseNode::INIT_OK)
     return false;
   *sync_id = sync_node.GetId();
   return true;
 }
 
 syncer::SyncError BookmarkModelAssociator::AssociateModels(
     syncer::SyncMergeResult* local_merge_result,
     syncer::SyncMergeResult* syncer_merge_result) {
   // Since any changes to the bookmark model made here are not user initiated,
   // these change should not be undoable and so suspend the undo tracking.
@@ skipping 76 matching lines @@
   // WARNING: The order in which we push these should match their order in the
   // bookmark model (see BookmarkModel::DoneLoading(..)).
   std::stack<int64> dfs_stack;
   dfs_stack.push(bookmark_bar_sync_id);
   dfs_stack.push(other_bookmarks_sync_id);
   if (mobile_bookmarks_sync_id != syncer::kInvalidId)
     dfs_stack.push(mobile_bookmarks_sync_id);
 
   syncer::WriteTransaction trans(FROM_HERE, user_share_);
   syncer::ReadNode bm_root(&trans);
-  if (bm_root.InitByTagLookup(syncer::ModelTypeToRootTag(syncer::BOOKMARKS)) ==
-      syncer::BaseNode::INIT_OK) {
+  if (bm_root.InitTypeRoot(syncer::BOOKMARKS) == syncer::BaseNode::INIT_OK) {
     syncer_merge_result->set_num_items_before_association(
         bm_root.GetTotalNodeCount());
   }
   local_merge_result->set_num_items_before_association(
       bookmark_model_->root_node()->GetTotalNodeCount());
 
   // Remove obsolete bookmarks according to sync delete journal.
   local_merge_result->set_num_items_deleted(
       ApplyDeletesFromSyncJournal(&trans));
 
@@ skipping 276 matching lines @@
                                  syncer::SyncError::PERSISTENCE_ERROR,
                                  message,
                                  syncer::BOOKMARKS);
       }
     }
   }
   return syncer::SyncError();
 }
 
 }  // namespace browser_sync