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

ios/chrome/app/steps/launch_to_background.h

Index: ios/chrome/app/steps/launch_to_background.h
diff --git a/ios/chrome/app/steps/launch_to_background.h b/ios/chrome/app/steps/launch_to_background.h
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+++ b/ios/chrome/app/steps/launch_to_background.h
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+// 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.
+
+// ======                        New Architecture                         =====
+// =         This code is only used in the new iOS Chrome architecture.       =
+// ============================================================================
+
+#ifndef IOS_CHROME_APP_STEPS_LAUNCH_TO_BACKGROUND_H_
+#define IOS_CHROME_APP_STEPS_LAUNCH_TO_BACKGROUND_H_
+
+#import <Foundation/Foundation.h>
+
+#include "ios/chrome/app/application_step.h"
+
+// This file includes ApplicationStep objects that perform the steps that bring
+// the application up to the background phase of launching.
+
+// Sets up the user defaults and application bundle.
+//  Pre:  Application phase is APPLICATION_BASIC.
+//  Post: Application phase is (still) APPLICATION_BASIC.
+@interface SetupBundleAndUserDefaults : NSObject<ApplicationStep>
+@end
+
+// Starts the ChromeMain object and sets the global WebClient object.
+//  Pre:  Application phase is APPLICATION_BASIC.
+//  Post: Application phase is APPLICATION_BACKGROUNDED.
+@interface StartChromeMain : NSObject<ApplicationStep>
+@end
+
+// Sets the browserState property in the ApplicationState.
+//  Pre:  Application phase is APPLICATION_BACKGROUNDED and a browser state
+//        manager is available.
+//  Post: Application phase is (still) APPLICATION_BACKGROUNDED.
+@interface SetBrowserState : NSObject<ApplicationStep>
+@end
+
+#endif  // IOS_CHROME_APP_STEPS_LAUNCH_TO_BACKGROUND_H_