Sync: Don't set/use Parent ID for non-hierarchical sync data types.

chrome/browser/sync/glue/typed_url_model_associator.cc

 // 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.
 
 #include "chrome/browser/sync/glue/typed_url_model_associator.h"
 
 #include <algorithm>
 #include <set>
 
 #include "base/location.h"
@@ skipping 292 matching lines @@
         }
         if (difference & DIFF_LOCAL_VISITS_ADDED) {
           new_visits.push_back(
               std::pair<GURL, std::vector<history::VisitInfo> >(ix->url(),
                                                                 added_visits));
         }
       } else {
         // Sync has never seen this URL before.
         syncer::WriteNode node(&trans);
         syncer::WriteNode::InitUniqueByCreationResult result =
-            node.InitUniqueByCreation(syncer::TYPED_URLS,
-                                      typed_url_root, tag);
+            node.InitUniqueByCreation(syncer::TYPED_URLS, tag);
         if (result != syncer::WriteNode::INIT_SUCCESS) {
           return error_handler_->CreateAndUploadError(
               FROM_HERE,
               "Failed to create typed_url sync node: " + tag,
               model_type());
         }
 
         node.SetTitle(tag);
         WriteToSyncNode(*ix, visits, &node);
         syncer_merge_result->set_num_items_added(
@@ skipping 528 matching lines @@
 
 bool TypedUrlModelAssociator::CryptoReadyIfNecessary() {
   // We only access the cryptographer while holding a transaction.
   syncer::ReadTransaction trans(FROM_HERE, sync_service_->GetUserShare());
   const syncer::ModelTypeSet encrypted_types = trans.GetEncryptedTypes();
   return !encrypted_types.Has(syncer::TYPED_URLS) ||
          sync_service_->IsCryptographerReady(&trans);
 }
 
 }  // namespace browser_sync