Install default apps if sync is disabled.

chrome/browser/extensions/external_provider_impl.cc

Index: chrome/browser/extensions/external_provider_impl.cc
diff --git a/chrome/browser/extensions/external_provider_impl.cc b/chrome/browser/extensions/external_provider_impl.cc
index 9966755d07db3e8aa3612060925a8829c2b03ed6..edc6138a94e2d4da57a727e8e6101b9d9ad4b348 100644
--- a/chrome/browser/extensions/external_provider_impl.cc
+++ b/chrome/browser/extensions/external_provider_impl.cc
@@ -473,15 +473,15 @@ void ExternalProviderImpl::CreateExternalProviders(
     int external_apps_path_id = profile->IsSupervised() ?
         chrome::DIR_SUPERVISED_USERS_DEFAULT_APPS :
         chrome::DIR_STANDALONE_EXTERNAL_EXTENSIONS;
+    ExternalPrefLoader::Options pref_load_flags =
+        profile->IsNewProfile()
+            ? ExternalPrefLoader::DELAY_LOAD_UNTIL_PRIORITY_SYNC
+            : ExternalPrefLoader::NONE;
     provider_list->push_back(
         linked_ptr<ExternalProviderInterface>(new ExternalProviderImpl(
-            service,
-            new ExternalPrefLoader(external_apps_path_id,
-                                   ExternalPrefLoader::NONE,
-                                   profile),
-            profile,
-            Manifest::EXTERNAL_PREF,
-            Manifest::EXTERNAL_PREF_DOWNLOAD,
+            service, new ExternalPrefLoader(external_apps_path_id,
+                                            pref_load_flags, profile),
+            profile, Manifest::EXTERNAL_PREF, Manifest::EXTERNAL_PREF_DOWNLOAD,
             bundled_extension_creation_flags)));
 
     // OEM default apps.