[Sync] Add history delete directive type

chrome/browser/sync/glue/model_association_manager.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 <algorithm>
 #include <functional>
 
 #include "base/debug/trace_event.h"
 
 #include "base/logging.h"
@@ skipping 34 matching lines @@
   syncer::THEMES,
   syncer::SEARCH_ENGINES,
   syncer::SESSIONS,
   syncer::APP_NOTIFICATIONS,
   syncer::AUTOFILL,             // Non-UI thread datatypes.
   syncer::AUTOFILL_PROFILE,
   syncer::EXTENSION_SETTINGS,
   syncer::APP_SETTINGS,
   syncer::TYPED_URLS,
   syncer::PASSWORDS,
+  syncer::HISTORY_DELETE_DIRECTIVES,
 };
 
 COMPILE_ASSERT(arraysize(kStartOrder) ==
                syncer::MODEL_TYPE_COUNT - syncer::FIRST_REAL_MODEL_TYPE,
                kStartOrder_IncorrectSize);
 
 // Comparator used when sorting data type controllers.
 class SortComparator : public std::binary_function<DataTypeController*,
                                                    DataTypeController*,
                                                    bool> {
@@ skipping 437 matching lines @@
   }
   return result;
 }
 
 base::OneShotTimer<ModelAssociationManager>*
     ModelAssociationManager::GetTimerForTesting() {
   return &timer_;
 }
 
 }  // namespace browser_sync