Add PrinterSpecifics to the sync protos.

components/sync/driver/model_association_manager.cc

 // Copyright 2014 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 "components/sync/driver/model_association_manager.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <algorithm>
@@ skipping 29 matching lines @@
 
     // UI thread data types.
     syncer::BOOKMARKS,
     syncer::SUPERVISED_USERS,  //  Syncing supervised users on initial login
                                //  might block creating a new supervised user,
                                //  so we want to do it early.
     syncer::PREFERENCES, syncer::PRIORITY_PREFERENCES, syncer::EXTENSIONS,
     syncer::APPS, syncer::APP_LIST, syncer::ARC_PACKAGE, syncer::THEMES,
     syncer::SEARCH_ENGINES, syncer::SESSIONS, syncer::APP_NOTIFICATIONS,
     syncer::DICTIONARY, syncer::FAVICON_IMAGES, syncer::FAVICON_TRACKING,
-    syncer::SUPERVISED_USER_SETTINGS, syncer::SUPERVISED_USER_SHARED_SETTINGS,
-    syncer::SUPERVISED_USER_WHITELISTS, syncer::ARTICLES,
-    syncer::WIFI_CREDENTIALS,
+    syncer::PRINTER, syncer::SUPERVISED_USER_SETTINGS,
+    syncer::SUPERVISED_USER_SHARED_SETTINGS, syncer::SUPERVISED_USER_WHITELISTS,
+    syncer::ARTICLES, syncer::WIFI_CREDENTIALS,
 };
 
 static_assert(arraysize(kStartOrder) ==
                   syncer::MODEL_TYPE_COUNT - syncer::FIRST_REAL_MODEL_TYPE,
               "kStartOrder must have MODEL_TYPE_COUNT - "
               "FIRST_REAL_MODEL_TYPE elements");
 
 // The amount of time we wait for association to finish. If some types haven't
 // finished association by the time, DataTypeManager is notified of the
 // unfinished types.
@@ skipping 354 matching lines @@
       // At least one type is not ready.
       return;
     }
   }
 
   notified_about_ready_for_configure_ = true;
   delegate_->OnAllDataTypesReadyForConfigure();
 }
 
 }  // namespace sync_driver