[ios] Move NativeAppLauncher upstream

ios/chrome/browser/native_app_launcher/native_app_navigation_controller_protocol.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_NATIVE_APP_LAUNCHER_NATIVE_APP_NAVIGATION_CONTROLLER_PROTOCOL_H_
+#define IOS_CHROME_BROWSER_NATIVE_APP_LAUNCHER_NATIVE_APP_NAVIGATION_CONTROLLER_PROTOCOL_H_
+
+#import "ios/public/provider/chrome/browser/native_app_launcher/native_app_types.h"
+
+class GURL;
+@class NSString;
+@class UIImage;
+
+// Protocol required for a controller to create a Native App Launcher infobar.
+@protocol NativeAppNavigationControllerProtocol
+// Returns app ID used to offer the installation of the application
+- (NSString*)appId;
+// Returns app name displayed in the infobar.
+- (NSString*)appName;
+// Asynchronously fetches icon and calls |block| when done.
+- (void)fetchSmallIconWithCompletionBlock:(void (^)(UIImage*))block;
+// Launches the application from the information extracted from |url|.
+- (void)launchApp:(const GURL&)url;
+// Opens store for the installation of the application.
+- (void)openStore;
+// Update metadata based on what the user did with the infobar.
+- (void)updateMetadataWithUserAction:(NativeAppActionType)userAction;
+@end
+
+#endif  // IOS_CHROME_BROWSER_NATIVE_APP_LAUNCHER_NATIVE_APP_NAVIGATION_CONTROLLER_PROTOCOL_H_