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apps/shell/common/start_callback.h

Index: apps/shell/common/start_callback.h
diff --git a/apps/shell/common/start_callback.h b/apps/shell/common/start_callback.h
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+++ b/apps/shell/common/start_callback.h
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+// 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 APPS_SHELL_COMMON_START_CALLBACK_H_
+#define APPS_SHELL_COMMON_START_CALLBACK_H_
+
+#include "base/callback.h"
+
+namespace content {
+class BrowserContext;
+}
+
+namespace apps {
+
+typedef base::Callback<void(content::BrowserContext*)> StartCallback;
+
+}  // namespace apps
+
+#endif  // APPS_SHELL_COMMON_START_CALLBACK_H_