sync: Remove unused function ChromeModelHasUserCreatedNodes.

chrome/browser/sync/glue/preference_model_associator.cc

 // Copyright (c) 2010 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/preference_model_associator.h"
 
 #include "base/json/json_reader.h"
 #include "base/logging.h"
 #include "base/values.h"
 #include "base/utf_string_conversions.h"
@@ skipping 136 matching lines @@
                << "might be running against an out-of-date server.";
     return false;
   }
 
   // The sync model has user created nodes if the preferences folder has any
   // children.
   *has_nodes = sync_api::kInvalidId != preferences_node.GetFirstChildId();
   return true;
 }
 
-bool PreferenceModelAssociator::ChromeModelHasUserCreatedNodes(
-    bool* has_nodes) {
-  DCHECK(has_nodes);
-  // Assume the preferences model always have user-created nodes.
-  *has_nodes = true;
-  return true;
-}
-
 int64 PreferenceModelAssociator::GetSyncIdFromChromeId(
     const std::wstring preference_name) {
   PreferenceNameToSyncIdMap::const_iterator iter =
       id_map_.find(preference_name);
   return iter == id_map_.end() ? sync_api::kInvalidId : iter->second;
 }
 
 void PreferenceModelAssociator::Associate(
     const PrefService::Preference* preference, int64 sync_id) {
   DCHECK(ChromeThread::CurrentlyOn(ChromeThread::UI));
@@ skipping 115 matching lines @@
       // Note that for all other types we want to preserve the "to"
       // values so we do nothing here.
     } else {
       result->SetWithoutPathExpansion(*key, from_value->DeepCopy());
     }
   }
   return result;
 }
 
 }  // namespace browser_sync