Display dialog when app install succeeds / fails on Athena

chrome/browser/ui/extensions/extension_install_ui_factory.h

+// Copyright 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef CHROME_BROWSER_UI_EXTENSIONS_EXTENSION_INSTALL_UI_FACTORY_H_
+#define CHROME_BROWSER_UI_EXTENSIONS_EXTENSION_INSTALL_UI_FACTORY_H_
+
+namespace content {
+class BrowserContext;
+}
+
+namespace extensions {
+class ExtensionInstallUI;
+
+extensions::ExtensionInstallUI* CreateExtensionInstallUI(
+    content::BrowserContext* context);
+
+}  // namespace extensions
+
+#endif  // CHROME_BROWSER_UI_EXTENSIONS_EXTENSION_INSTALL_UI_FACTORY_H_