1 files changed, 7 insertions, 0 deletions
diff --git a/chrome/browser/extensions/test_extension_prefs.cc b/chrome/browser/extensions/test_extension_prefs.cc
index 4c98c5a..11f8317 100644
--- a/chrome/browser/extensions/test_extension_prefs.cc
+++ b/chrome/browser/extensions/test_extension_prefs.cc
@@ -176,6 +176,13 @@ std::string TestExtensionPrefs::AddExtensionAndReturnId(
   return extension->id();
 }
 
+void TestExtensionPrefs::AddExtension(Extension* extension) {
+  prefs_->OnExtensionInstalled(extension,
+                               Extension::ENABLED,
+                               syncer::StringOrdinal::CreateInitialOrdinal(),
+                               std::string());
+}
+
 PrefService* TestExtensionPrefs::CreateIncognitoPrefService() const {
   return pref_service_->CreateIncognitoPrefService(
       new ExtensionPrefStore(extension_pref_value_map_.get(), true));