[Sync] Device info should be enabled by default

chrome/browser/sync/test/integration/enable_disable_test.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 "chrome/browser/sync/profile_sync_service.h"
 #include "chrome/browser/sync/test/integration/profile_sync_service_harness.h"
 #include "chrome/browser/sync/test/integration/sync_test.h"
 #include "sync/internal_api/public/base/model_type.h"
 #include "sync/internal_api/public/read_node.h"
 #include "sync/internal_api/public/read_transaction.h"
@@ skipping 94 matching lines @@
 
   for (syncer::ModelTypeSet::Iterator it = registered_types.First();
        it.Good(); it.Inc()) {
     // SUPERVISED_USERS and SUPERVISED_USER_SHARED_SETTINGS are always synced.
     if (it.Get() == syncer::SUPERVISED_USERS ||
         it.Get() == syncer::SUPERVISED_USER_SHARED_SETTINGS ||
         it.Get() == syncer::SYNCED_NOTIFICATIONS ||
         it.Get() == syncer::SYNCED_NOTIFICATION_APP_INFO)
       continue;
 
+    // Device info cannot be disabled.
+    if (it.Get() == syncer::DEVICE_INFO)
+      continue;
+
     ASSERT_TRUE(GetClient(0)->DisableSyncForDatatype(it.Get()));
 
     // AUTOFILL_PROFILE is lumped together with AUTOFILL.
     // SESSIONS is lumped together with PROXY_TABS and TYPED_URLS.
     // HISTORY_DELETE_DIRECTIVES is lumped together with TYPED_URLS.
     // PRIORITY_PREFERENCES is lumped together with PREFERENCES.
     // Favicons are lumped together with PROXY_TABS and
     // HISTORY_DELETE_DIRECTIVES.
     if (it.Get() == syncer::AUTOFILL_PROFILE ||
         it.Get() == syncer::SESSIONS ||
@@ skipping 24 matching lines @@
       ASSERT_EQ(GetClient(0)->IsTypePreferred(syncer::TYPED_URLS),
                 DoesTopLevelNodeExist(user_share, syncer::SESSIONS));
     } else if (it.Get() == syncer::PREFERENCES) {
       ASSERT_FALSE(DoesTopLevelNodeExist(user_share,
                                          syncer::PRIORITY_PREFERENCES));
     }
   }
 }
 
 }  // namespace