[iOS] Upstream XCallbackParameters

ios/chrome/browser/xcallback_parameters.h

+// Copyright 2012 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_XCALLBACK_PARAMETERS_H_
+#define IOS_CHROME_BROWSER_XCALLBACK_PARAMETERS_H_
+
+#import <Foundation/Foundation.h>
+
+#include "url/gurl.h"
+
+// This class contains the defining parameters for an XCallback request from
+// another app.
+@interface XCallbackParameters : NSObject<NSCoding, NSCopying>
+
+// The id of the calling app.
+@property(nonatomic, readonly, copy) NSString* sourceAppId;
+
+// The user visible name of the calling app. Can be nil.
+@property(nonatomic, readonly, copy) NSString* sourceAppName;
+
+// x-callback-url::x-success URL. If the app is opened using a x-callback-url
+// compliant URL, the value of this parameter is used as callback URL when the
+// user taps the back button.
+@property(nonatomic, readonly) const GURL& successURL;
+
+// Flag to force the creation of a new tab. Default YES.
+@property(nonatomic, readonly) BOOL createNewTab;
+
+- (instancetype)initWithSourceAppId:(NSString*)sourceAppId
+                      sourceAppName:(NSString*)sourceAppName
+                         successURL:(const GURL&)successURL
+                       createNewTab:(BOOL)createNewTab
+    NS_DESIGNATED_INITIALIZER;
+
+@end
+
+#endif  // IOS_CHROME_BROWSER_XCALLBACK_PARAMETERS_H_