Add cross origin to Blink-driven preconnect

chrome/browser/net/predictor_browsertest.cc

 // Copyright (c) 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.
 
 #include "base/base64.h"
 #include "base/command_line.h"
 #include "base/json/json_string_value_serializer.h"
 #include "base/prefs/pref_service.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/net/chrome_net_log.h"
@@ skipping 291 matching lines @@
   net::HostPortPair host_port_pair = net::HostPortPair::FromURL(preconnect_url);
   ConnectNetLogObserver net_log_observer(host_port_pair.ToString());
   net_log_observer.Attach();
 
   ui_test_utils::NavigateToURL(browser(), GURL(data_uri));
 
   net_log_observer.WaitForConnect();
   net_log_observer.Detach();
 }
 
+IN_PROC_BROWSER_TEST_F(PredictorBrowserTest, PreconnectAnonymous) {
+  ASSERT_TRUE(test_server()->Start());
+
+  // Create a HTML preconnect reference to the local server in the form
+  // <link rel="preconnect" href="http://test-server/">
+  // and navigate to it as a data URI.
+  GURL preconnect_url = test_server()->GetURL("");
+  std::string preconnect_content =
+      "<link rel=\"preconnect\" crossorigin href=\""
+      + preconnect_url.spec() + "\">";
+  std::string encoded;
+  base::Base64Encode(preconnect_content, &encoded);
+  std::string data_uri = "data:text/html;base64," + encoded;
+
+  net::HostPortPair host_port_pair = net::HostPortPair::FromURL(preconnect_url);
+  ConnectNetLogObserver net_log_observer("pm/" + host_port_pair.ToString());
+  net_log_observer.Attach();
+
+  ui_test_utils::NavigateToURL(browser(), GURL(data_uri));
+
+  net_log_observer.WaitForConnect();
+  net_log_observer.Detach();
+}
+
 }  // namespace chrome_browser_net