[ObjC ARC] Converts ios/web/public/test/fakes:fakes to ARC.

ios/web/public/test/fakes/test_web_state_delegate.h

 // Copyright 2017 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_WEB_PUBLIC_TEST_FAKES_TEST_WEB_STATE_DELEGATE_H_
 #define IOS_WEB_PUBLIC_TEST_FAKES_TEST_WEB_STATE_DELEGATE_H_
 
 #import <Foundation/Foundation.h>
 
 #include <memory>
 #include <set>
 
-#include "base/mac/scoped_nsobject.h"
 #import "ios/web/public/web_state/web_state_delegate.h"
 #import "ios/web/public/test/fakes/test_java_script_dialog_presenter.h"
 
 namespace web {
 
 // Encapsulates parameters passed to CreateNewWebState.
 struct TestCreateNewWebStateRequest {
   WebState* web_state = nullptr;
   GURL url;
   GURL opener_url;
@@ skipping 22 matching lines @@
   WebState* web_state = nullptr;
   base::Callback<void(bool)> callback;
 };
 
 // Encapsulates parameters passed to OnAuthRequired.
 struct TestAuthenticationRequest {
   TestAuthenticationRequest();
   TestAuthenticationRequest(const TestAuthenticationRequest&);
   ~TestAuthenticationRequest();
   WebState* web_state = nullptr;
-  base::scoped_nsobject<NSURLProtectionSpace> protection_space;
-  base::scoped_nsobject<NSURLCredential> credential;
+  NSURLProtectionSpace* protection_space;
+  NSURLCredential* credential;
   WebStateDelegate::AuthCallback auth_callback;
 };
 
 // Encapsulates information about popup.
 struct TestPopup {
   TestPopup(const GURL& url, const GURL& opener_url)
       : url(url), opener_url(opener_url) {}
   GURL url;
   GURL opener_url;
 };
@@ skipping 93 matching lines @@
   std::unique_ptr<TestOpenURLRequest> last_open_url_request_;
   std::unique_ptr<TestRepostFormRequest> last_repost_form_request_;
   bool get_java_script_dialog_presenter_called_ = false;
   TestJavaScriptDialogPresenter java_script_dialog_presenter_;
   std::unique_ptr<TestAuthenticationRequest> last_authentication_request_;
 };
 
 }  // namespace web
 
 #endif  // IOS_WEB_PUBLIC_TEST_FAKES_TEST_WEB_STATE_DELEGATE_H_