Delay default apps installation on Chrome OS for first time sign-in

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 9c74cca1f7fccc9068a5f2f0be5e7b7b25aae399..c2a41b95cdf792a5b079fa14138696b727c9bff3 100644
--- a/chrome/browser/extensions/external_provider_impl.cc
+++ b/chrome/browser/extensions/external_provider_impl.cc
@@ -483,7 +483,8 @@ void ExternalProviderImpl::CreateExternalProviders(
                 service,
                 new ExternalPrefLoader(
                     chrome::DIR_STANDALONE_EXTERNAL_EXTENSIONS,
-                    ExternalPrefLoader::NONE),
+                    ExternalPrefLoader::NONE,
+                    NULL),
                 profile,
                 Manifest::EXTERNAL_PREF,
                 Manifest::EXTERNAL_PREF_DOWNLOAD,
@@ -496,11 +497,15 @@ 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),
+                                   pref_load_flags,
+                                   profile),
             profile,
             Manifest::EXTERNAL_PREF,
             Manifest::EXTERNAL_PREF_DOWNLOAD,
@@ -542,7 +547,8 @@ void ExternalProviderImpl::CreateExternalProviders(
             new ExternalProviderImpl(
                 service,
                 new ExternalPrefLoader(chrome::DIR_EXTERNAL_EXTENSIONS,
-                                       check_admin_permissions_on_mac),
+                                       check_admin_permissions_on_mac,
+                                       NULL),
                 profile,
                 Manifest::EXTERNAL_PREF,
                 Manifest::EXTERNAL_PREF_DOWNLOAD,
@@ -556,7 +562,8 @@ void ExternalProviderImpl::CreateExternalProviders(
             new ExternalProviderImpl(
                 service,
                 new ExternalPrefLoader(chrome::DIR_USER_EXTERNAL_EXTENSIONS,
-                                       ExternalPrefLoader::NONE),
+                                       ExternalPrefLoader::NONE,
+                                       NULL),
                 profile,
                 Manifest::EXTERNAL_PREF,
                 Manifest::EXTERNAL_PREF_DOWNLOAD,
@@ -584,7 +591,8 @@ void ExternalProviderImpl::CreateExternalProviders(
                 profile,
                 service,
                 new ExternalPrefLoader(chrome::DIR_DEFAULT_APPS,
-                                       ExternalPrefLoader::NONE),
+                                       ExternalPrefLoader::NONE,
+                                       NULL),
                 Manifest::INTERNAL,
                 Manifest::INTERNAL,
                 Extension::FROM_WEBSTORE |