Introduce reauthenticateUserWithID:email:callback:

ios/public/provider/chrome/browser/signin/chrome_identity_interaction_manager.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_PUBLIC_PROVIDER_CHROME_BROWSER_SIGNIN_CHROME_IDENTITY_INTERACTION_MANAGER_H_
 #define IOS_PUBLIC_PROVIDER_CHROME_BROWSER_SIGNIN_CHROME_IDENTITY_INTERACTION_MANAGER_H_
 
 #import <UIKit/UIKit.h>
 
 #import "base/ios/block_types.h"
@@ skipping 32 matching lines @@
 // CHROME_IDENTITY_OPERATION_ONGOING error if there is already another add
 // account or reauthenticate operation ongoing.
 // * |completion| will be called once the operation has finished.
 - (void)addAccountWithCompletion:(SigninCompletionCallback)completion;
 
 // Starts the reauthentication operation for a user. Presents user with the
 // screen to enter credentials with the email pre-entered.
 // Note: Calling this method will fail and the completion will be called with a
 // CHROME_IDENTITY_OPERATION_ONGOING error if there is already another add
 // account or reauthenticate operation ongoing.
+// * |userID| is the unique identifier of the user.
+// * |userEmail| will be pre-entered on the presented screen.
+// * |completion| will be called once the operation has finished.
+- (void)reauthenticateUserWithID:(NSString*)userID
+                           email:(NSString*)userEmail
+                      completion:(SigninCompletionCallback)completion;
+
+// Starts the reauthentication operation for a user. Presents user with the
+// screen to enter credentials with the email pre-entered.
+// Note: Calling this method will fail and the completion will be called with a
+// CHROME_IDENTITY_OPERATION_ONGOING error if there is already another add
+// account or reauthenticate operation ongoing.
 // * |email| will be pre-entered on the presented screen.
 // * |completion| will be called once the operation has finished.
 - (void)reauthenticateUserWithEmail:(NSString*)email
                          completion:(SigninCompletionCallback)completion;
 
 // Cancels and dismisses any currently active operation. Completion will be
 // called with a cancel error.
 // * |animated| represents whether the UI should be dismissed with an animation.
 - (void)cancelAndDismissAnimated:(BOOL)animated;
 
@@ skipping 22 matching lines @@
 //   animation.
 // * |completion| is the completion block to call once the dismissal operation
 //   is finished.
 - (void)interactionManager:(ChromeIdentityInteractionManager*)interactionManager
     dismissViewControllerAnimated:(BOOL)animated
                        completion:(ProceduralBlock)completion;
 
 @end
 
 #endif  // IOS_PUBLIC_PROVIDER_CHROME_BROWSER_SIGNIN_CHROME_IDENTITY_INTERACTION_MANAGER_H_