Introduce reauthenticateUserWithID:email:callback:

ios/public/provider/chrome/browser/signin/chrome_identity_interaction_manager.mm

 // 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.
 
 #import "ios/public/provider/chrome/browser/signin/chrome_identity_interaction_manager.h"
 
 #import "base/ios/weak_nsobject.h"
 #include "base/logging.h"
 
 @interface ChromeIdentityInteractionManager () {
@@ skipping 13 matching lines @@
 
 - (BOOL)isCanceling {
   return NO;
 }
 
 - (void)addAccountWithCompletion:(SigninCompletionCallback)completion {
   NOTREACHED() << "Subclasses must override this";
   completion(nil, nil);
 }
 
+- (void)reauthenticateUserWithID:(NSString*)userID
+                           email:(NSString*)userEmail
+                      completion:(SigninCompletionCallback)completion {
+  NOTREACHED() << "Subclasses must override this";
+  completion(nil, nil);
+}
+
 - (void)reauthenticateUserWithEmail:(NSString*)email
                          completion:(SigninCompletionCallback)completion {
   NOTREACHED() << "Subclasses must override this";
   completion(nil, nil);
 }
 
 - (void)cancelAndDismissAnimated:(BOOL)animated {
   NOTREACHED() << "Subclasses must override this";
 }
 
 @end