arc: Fix ArcPackageSyncableService initialization issue.

chrome/browser/sync/test/integration/migration_test.cc

 // Copyright 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 "base/compiler_specific.h"
 #include "base/macros.h"
 #include "base/memory/scoped_vector.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/sync/test/integration/bookmarks_helper.h"
 #include "chrome/browser/sync/test/integration/migration_waiter.h"
@@ skipping 88 matching lines @@
     // Supervised user data types will be "unready" during this test, so we
     // should not request that they be migrated.
     preferred_data_types.Remove(syncer::SUPERVISED_USER_SETTINGS);
     preferred_data_types.Remove(syncer::SUPERVISED_USER_WHITELISTS);
 
     // Autofill wallet will be unready during this test, so we should not
     // request that it be migrated.
     preferred_data_types.Remove(syncer::AUTOFILL_WALLET_DATA);
     preferred_data_types.Remove(syncer::AUTOFILL_WALLET_METADATA);
 
+    // Arc package will be unready during this test, so we should not request
+    // that it be migrated.
+    preferred_data_types.Remove(syncer::ARC_PACKAGE);
+
     // Make sure all clients have the same preferred data types.
     for (int i = 1; i < num_clients(); ++i) {
       const syncer::ModelTypeSet other_preferred_data_types =
           GetSyncService((i))->GetPreferredDataTypes();
       EXPECT_EQ(other_preferred_data_types, preferred_data_types);
     }
     return preferred_data_types;
   }
 
   // Returns a MigrationList with every enabled data type in its own
@@ skipping 304 matching lines @@
     // Do not add optional datatypes.
   }
 
   ~MigrationReconfigureTest() override {}
 
  private:
   DISALLOW_COPY_AND_ASSIGN(MigrationReconfigureTest);
 };
 
 }  // namespace