Refactor preference syncing.

chrome/browser/sync/glue/generic_change_processor.cc

+// Copyright (c) 2011 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/generic_change_processor.h"
+
+#include "chrome/browser/sync/glue/model_associator.h"
+
+namespace browser_sync {
+
+GenericChangeProcessor::GenericChangeProcessor(
+    UnrecoverableErrorHandler* error_handler,
+    NewAssociatorInterface* model_associator)
+    : ChangeProcessor(error_handler),
+      model_associator_(model_associator) {
+  DCHECK(model_associator_);
+}
+GenericChangeProcessor::~GenericChangeProcessor() {
+  model_associator_ = NULL;
+}
+
+void GenericChangeProcessor::ApplyChangesFromSyncModel(
+    const sync_api::BaseTransaction* trans,
+    const sync_api::SyncManager::ChangeRecord* changes,
+    int change_count) {
+  model_associator_->ApplyChangesFromSync(trans, changes, change_count);
+}
+
+void GenericChangeProcessor::StartImpl(Profile* profile) {}
+
+void GenericChangeProcessor::StopImpl() {}
+
+}  // namespace browser_sync