kiosk: Defer app update until platform matches

chrome/browser/chromeos/app_mode/kiosk_app_update_install_gate.h

+// Copyright 2016 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_CHROMEOS_APP_MODE_KIOSK_APP_UPDATE_INSTALL_GATE_H_
+#define CHROME_BROWSER_CHROMEOS_APP_MODE_KIOSK_APP_UPDATE_INSTALL_GATE_H_
+
+#include "base/macros.h"
+#include "chrome/browser/extensions/install_gate.h"
+
+namespace extensions {
+class Extension;
+class ExtensionRegistry;
+}
+
+class Profile;
+
+namespace chromeos {
+
+class KioskAppUpdateInstallGate : public extensions::InstallGate {
+ public:
+  explicit KioskAppUpdateInstallGate(Profile* profile);
+  ~KioskAppUpdateInstallGate() override;
+
+  // InstallGate:
+  Action ShouldDelay(const extensions::Extension* extension,
+                     bool install_immediately) override;
+
+ private:
+  Profile* const profile_;
+  extensions::ExtensionRegistry* const registry_;
+
+  DISALLOW_COPY_AND_ASSIGN(KioskAppUpdateInstallGate);
+};
+
+}  // namespace chromeos
+
+#endif  // CHROME_BROWSER_CHROMEOS_APP_MODE_KIOSK_APP_UPDATE_INSTALL_GATE_H_