Upstream Chrome on iOS source code [1/11].

ios/chrome/app/application_mode.h

Index: ios/chrome/app/application_mode.h
diff --git a/ios/chrome/app/application_mode.h b/ios/chrome/app/application_mode.h
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+// 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 IOS_CHROME_APP_APPLICATION_MODE_H_
+#define IOS_CHROME_APP_APPLICATION_MODE_H_
+
+// Global mode of the application.
+enum class ApplicationMode { NORMAL, INCOGNITO };
+
+#endif  // IOS_CHROME_APP_APPLICATION_MODE_H_