Implement kiosk multiple apps feature.

extensions/common/manifest_handlers/kiosk_secondary_apps_info.h

Index: extensions/common/manifest_handlers/kiosk_secondary_apps_info.h
diff --git a/extensions/common/manifest_handlers/kiosk_secondary_apps_info.h b/extensions/common/manifest_handlers/kiosk_secondary_apps_info.h
new file mode 100644
index 0000000000000000000000000000000000000000..6b01d406c309d10f17a4d7efa10ae3ff17428d4b
--- /dev/null
+++ b/extensions/common/manifest_handlers/kiosk_secondary_apps_info.h
@@ -0,0 +1,49 @@
+// Copyright 2015 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 EXTENSIONS_COMMON_MANIFEST_HANDLERS_KIOSK_SECONDARY_APPS_INFO_H_
+#define EXTENSIONS_COMMON_MANIFEST_HANDLERS_KIOSK_SECONDARY_APPS_INFO_H_
+
+#include <string>
+#include <vector>
+
+#include "extensions/common/extension.h"
+#include "extensions/common/manifest.h"
+#include "extensions/common/manifest_handler.h"
+
+namespace extensions {
+
+struct KioskSecondaryAppsInfo : public Extension::ManifestData {
+ public:
+  explicit KioskSecondaryAppsInfo(const std::vector<std::string>& app_ids);
+  ~KioskSecondaryAppsInfo() override;
+
+  // Returns true if there are kiosk secondary apps.
+  static bool HaveSecondaryApps(const Extension* extension);
+
+  // Gets the KioskSecondaryAppsInfo for |extension|, or NULL if none was
+  // specified.
+  static KioskSecondaryAppsInfo* Get(const Extension* extension);
+
+  // The IDs of the kiosk secondary apps.
+  const std::vector<std::string> ids;
+};
+
+// Parses the "kiosk_enabled" and "kiosk_only" manifest keys.

[xiyuan, 2015/08/26 18:16:17]

nit: update this?

[jennyz, 2015/08/28 18:24:08]

Done.

+class KioskSecondaryAppsHandler : public ManifestHandler {
+ public:
+  KioskSecondaryAppsHandler();
+  ~KioskSecondaryAppsHandler() override;
+
+  bool Parse(Extension* extension, base::string16* error) override;
+
+ private:
+  const std::vector<std::string> Keys() const override;
+
+  DISALLOW_COPY_AND_ASSIGN(KioskSecondaryAppsHandler);
+};
+
+}  // namespace extensions
+
+#endif  // EXTENSIONS_COMMON_MANIFEST_HANDLERS_KIOSK_SECONDARY_APPS_INFO_H_