Enable the syncing of extension and app settings by default.

chrome/browser/sync/profile_sync_components_factory_impl_unittest.cc

Index: chrome/browser/sync/profile_sync_components_factory_impl_unittest.cc
diff --git a/chrome/browser/sync/profile_sync_components_factory_impl_unittest.cc b/chrome/browser/sync/profile_sync_components_factory_impl_unittest.cc
index ad448531003fd211705154c630856c062c6f3b01..74cebe9798a9e6c665199686bd0f54c3aa26fe0a 100644
--- a/chrome/browser/sync/profile_sync_components_factory_impl_unittest.cc
+++ b/chrome/browser/sync/profile_sync_components_factory_impl_unittest.cc
@@ -33,17 +33,19 @@ class ProfileSyncComponentsFactoryImplTest : public testing::Test {
   // Returns the collection of default datatypes.
   static std::vector<syncable::ModelType> DefaultDatatypes() {
     std::vector<syncable::ModelType> datatypes;
-    datatypes.push_back(syncable::BOOKMARKS);
-    datatypes.push_back(syncable::PREFERENCES);
-    datatypes.push_back(syncable::AUTOFILL);
-    datatypes.push_back(syncable::THEMES);
-    datatypes.push_back(syncable::EXTENSIONS);
     datatypes.push_back(syncable::APPS);
     datatypes.push_back(syncable::APP_NOTIFICATIONS);
+    datatypes.push_back(syncable::APP_SETTINGS);
+    datatypes.push_back(syncable::AUTOFILL);
     datatypes.push_back(syncable::AUTOFILL_PROFILE);
+    datatypes.push_back(syncable::BOOKMARKS);
+    datatypes.push_back(syncable::EXTENSIONS);
+    datatypes.push_back(syncable::EXTENSION_SETTINGS);
     datatypes.push_back(syncable::PASSWORDS);
-    datatypes.push_back(syncable::TYPED_URLS);
+    datatypes.push_back(syncable::PREFERENCES);
     datatypes.push_back(syncable::SEARCH_ENGINES);
+    datatypes.push_back(syncable::THEMES);
+    datatypes.push_back(syncable::TYPED_URLS);
     return datatypes;
   }