Added classes to enable session sync functionality....

chrome/browser/sync/glue/data_type_manager_impl.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 <algorithm>
 #include <functional>
 
 #include "base/logging.h"
 #include "base/task.h"
 #include "chrome/browser/chrome_thread.h"
 #include "chrome/browser/sync/glue/data_type_controller.h"
 #include "chrome/browser/sync/glue/data_type_manager_impl.h"
 #include "chrome/browser/sync/glue/sync_backend_host.h"
 #include "chrome/common/notification_details.h"
 #include "chrome/common/notification_service.h"
 #include "chrome/common/notification_source.h"
 
 namespace browser_sync {
 
 namespace {
 
 static const syncable::ModelType kStartOrder[] = {
   syncable::BOOKMARKS,
   syncable::PREFERENCES,
   syncable::AUTOFILL,
   syncable::THEMES,
   syncable::TYPED_URLS,
   syncable::PASSWORDS,
+  syncable::SESSIONS,
 };
 
 // Comparator used when sorting data type controllers.
 class SortComparator : public std::binary_function<DataTypeController*,
                                                    DataTypeController*,
                                                    bool> {
  public:
   explicit SortComparator(std::map<syncable::ModelType, int>* order)
       : order_(order) { }
 
@@ skipping 393 matching lines @@
 
 void DataTypeManagerImpl::PauseSyncer() {
   AddObserver(NotificationType::SYNC_PAUSED);
   if (!backend_->RequestPause()) {
     RemoveObserver(NotificationType::SYNC_PAUSED);
     FinishStopAndNotify(UNRECOVERABLE_ERROR);
   }
 }
 
 }  // namespace browser_sync