Extensions: Keep track of loaded extensions in RendererStartupHelper.

extensions/shell/browser/shell_extension_system.cc

Index: extensions/shell/browser/shell_extension_system.cc
diff --git a/extensions/shell/browser/shell_extension_system.cc b/extensions/shell/browser/shell_extension_system.cc
index df9c433e6ecbc8c809b2f3f3e261adc7a800c2ba..b1497c11aff5bcc9acca6695d4c44f00428e894d 100644
--- a/extensions/shell/browser/shell_extension_system.cc
+++ b/extensions/shell/browser/shell_extension_system.cc
@@ -21,6 +21,7 @@
 #include "extensions/browser/notification_types.h"
 #include "extensions/browser/null_app_sorting.h"
 #include "extensions/browser/quota_service.h"
+#include "extensions/browser/renderer_startup_helper.h"
 #include "extensions/browser/runtime_data.h"
 #include "extensions/browser/service_worker_manager.h"
 #include "extensions/browser/value_store/value_store_factory_impl.h"
@@ -78,6 +79,9 @@ const Extension* ShellExtensionSystem::LoadApp(const base::FilePath& app_dir) {
           &ShellExtensionSystem::OnExtensionRegisteredWithRequestContexts,
           weak_factory_.GetWeakPtr(), extension));
 
+  RendererStartupHelperFactory::GetForBrowserContext(browser_context_)
+      ->OnExtensionLoaded(*extension);
+
   content::NotificationService::current()->Notify(
       NOTIFICATION_EXTENSION_LOADED_DEPRECATED,
       content::Source<BrowserContext>(browser_context_),