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

ios/chrome/app/application_delegate/url_opener.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_URL_OPENER_H_
+#define IOS_CHROME_APP_APPLICATION_DELEGATE_URL_OPENER_H_
+
+#import <UIKit/UIKit.h>
+
+@class AppState;
+@protocol StartupInformation;
+@protocol TabOpening;
+
+// Handles the URL-opening methods of the ApplicationDelegate. This class has
+// only class methods and should not be instantiated.
+@interface URLOpener : NSObject
+
+- (instancetype)init NS_UNAVAILABLE;
+
+// Handles open URL. The registered URL Schemes are defined in project
+// variables ${CHROMIUM_URL_SCHEME_x}.
+// The url can either be empty, in which case the app is simply opened or
+// can contain an URL that will be opened in a new tab.
+// Returns YES if the url can be opened, NO otherwise.
++ (BOOL)openURL:(NSURL*)url
+     applicationActive:(BOOL)applicationActive
+               options:(NSDictionary<NSString*, id>*)options
+             tabOpener:(id<TabOpening>)tabOpener
+    startupInformation:(id<StartupInformation>)startupInformation;
+
+// Handles launch options: converts them to open URL options and opens them.
++ (void)handleLaunchOptions:(NSDictionary*)launchOptions
+          applicationActive:(BOOL)applicationActive
+                  tabOpener:(id<TabOpening>)tabOpener
+         startupInformation:(id<StartupInformation>)startupInformation
+                   appState:(AppState*)appState;
+@end
+
+#endif  // IOS_CHROME_APP_APPLICATION_DELEGATE_URL_OPENER_H_