PlzNavigate: test updates post beforeUnload IPC refactor.

content/test/test_navigation_url_loader.cc

 // Copyright (c) 2014 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.
 
 #include "content/test/test_navigation_url_loader.h"
 
 #include "content/browser/loader/navigation_url_loader_delegate.h"
 #include "content/public/browser/stream_handle.h"
+#include "content/public/common/resource_response.h"
+#include "net/url_request/redirect_info.h"
 
 namespace content {
 
 TestNavigationURLLoader::TestNavigationURLLoader(
     scoped_ptr<NavigationRequestInfo> request_info,
     NavigationURLLoaderDelegate* delegate)
     : request_info_(request_info.Pass()),
       delegate_(delegate),
       redirect_count_(0) {
 }
 
 void TestNavigationURLLoader::FollowRedirect() {
   redirect_count_++;
 }
 
+void TestNavigationURLLoader::SimulateServerRedirect(const GURL& redirect_url) {
+  net::RedirectInfo redirect_info;
+  redirect_info.status_code = 302;
+  redirect_info.new_method = "GET";
+  redirect_info.new_url = redirect_url;
+  redirect_info.new_first_party_for_cookies = redirect_url;
+  scoped_refptr<ResourceResponse> response(new ResourceResponse);
+  CallOnRequestRedirected(redirect_info, response);
+}
+
 void TestNavigationURLLoader::CallOnRequestRedirected(
     const net::RedirectInfo& redirect_info,
     const scoped_refptr<ResourceResponse>& response) {
   delegate_->OnRequestRedirected(redirect_info, response);
 }
 
 void TestNavigationURLLoader::CallOnResponseStarted(
     const scoped_refptr<ResourceResponse>& response,
     scoped_ptr<StreamHandle> body) {
   delegate_->OnResponseStarted(response, body.Pass());
 }
 
 TestNavigationURLLoader::~TestNavigationURLLoader() {}
 
 }  // namespace content