Upstream Chrome on iOS source code [5/11].

ios/chrome/browser/ui/first_run/welcome_to_chrome_view_controller.h

+// Copyright 2013 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_BROWSER_UI_FIRST_RUN_WELCOME_TO_CHROME_VIEW_CONTROLLER_H_
+#define IOS_CHROME_BROWSER_UI_FIRST_RUN_WELCOME_TO_CHROME_VIEW_CONTROLLER_H_
+
+#import <UIKit/UIKit.h>
+
+extern NSString* const kUMAMetricsButtonAccessibilityIdentifier;
+
+@class TabModel;
+
+namespace ios {
+class ChromeBrowserState;
+}
+
+// The first screen displayed to the user on First Run. User must agree to the
+// Chrome Terms of Service before proceeding to use Chrome.
+//
+// Note: On iPhone, this controller supports portrait orientation only. It
+// should always be presented in an |OrientationLimitingNavigationController|.
+@interface WelcomeToChromeViewController : UIViewController
+
+// True when the stats checkbox should be checked by default.
++ (BOOL)defaultStatsCheckboxValue;
+
+// Initializes with the given browser state object and tab model, neither of
+// which can be nil.
+- (instancetype)initWithBrowserState:(ios::ChromeBrowserState*)browserState
+                            tabModel:(TabModel*)tabModel
+    NS_DESIGNATED_INITIALIZER;
+
+- (instancetype)initWithNibName:(NSString*)nibNameOrNil
+                         bundle:(NSBundle*)nibBundleOrNil NS_UNAVAILABLE;
+- (instancetype)initWithCoder:(NSCoder*)aDecoder NS_UNAVAILABLE;
+
+@end
+
+#endif  // IOS_CHROME_BROWSER_UI_FIRST_RUN_WELCOME_TO_CHROME_VIEW_CONTROLLER_H_