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

ios/chrome/app/application_delegate/startup_information.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 IOS_CHROME_APP_APPLICATION_DELEGATE_STARTUP_INFORMATION_H_
+#define IOS_CHROME_APP_APPLICATION_DELEGATE_STARTUP_INFORMATION_H_
+
+class FirstUserActionRecorder;
+
+namespace base {
+class TimeTicks;
+}
+
+@class AppStartupParameters;
+
+// Contains information about the startup.
+@protocol StartupInformation<NSObject>
+
+// Whether First Run UI (terms of service & sync sign-in) is being presented
+// in a modal dialog.
+@property(nonatomic) BOOL isPresentingFirstRunUI;
+// Whether the current session began from a cold start. NO if the app has
+// entered the background at least once since start up.
+@property(nonatomic) BOOL isColdStart;
+// Parameters received at startup time when the app is launched from another
+// app.
+@property(nonatomic, retain) AppStartupParameters* startupParameters;
+// Start of the application, used for UMA.
+@property(nonatomic, assign) base::TimeTicks appLaunchTime;
+// An object to record metrics related to the user's first action.
+@property(nonatomic, readonly) FirstUserActionRecorder* firstUserActionRecorder;
+
+// Disables the FirstUserActionRecorder.
+- (void)resetFirstUserActionRecorder;
+
+// Expire the FirstUserActionRecorder and disable it.
+- (void)expireFirstUserActionRecorder;
+
+// Expire the FirstUserActionRecorder and disable it after a delay.
+- (void)expireFirstUserActionRecorderAfterDelay:(NSTimeInterval)delay;
+
+// Enable the FirstUserActionRecorder with the time spent in background.
+- (void)activateFirstUserActionRecorderWithBackgroundTime:
+    (NSTimeInterval)backgroundTime;
+
+// Teardown that is needed by common Chrome code. This should not be called if
+// Chrome code is still on the stack.
+- (void)stopChromeMain;
+
+@end
+
+#endif  // IOS_CHROME_APP_APPLICATION_DELEGATE_STARTUP_INFORMATION_H_