Fix resource loads dropped when iframe is transferred to a new window and original window closes.

chrome/browser/magic_iframe_browsertest.cc

 // Copyright (c) 2011 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/command_line.h"
 #include "base/file_path.h"
 #include "base/file_util.h"
 #include "base/memory/ref_counted.h"
 #include "base/scoped_temp_dir.h"
 #include "base/test/thread_test_helper.h"
@@ skipping 19 matching lines @@
   url_path.append(path);
   return test_server()->GetURL(url_path);
 }
 
 // Verifies that reparenting of iframe between different pages works as
 // expected, including smooth transfer of resources that are still being loaded.
 // The test failure manifests as the ongoing XHR request is not finishing
 // (silently aborted) when the test iframe is transferred between pages (and
 // the original page closes). This causes the final navigation to not complete
 // and test terminated due to a timeout.
-
-// Currently disabled (http://crbug.com/55200, work in progress).
-IN_PROC_BROWSER_TEST_F(MagicIframeBrowserTest,
-                       DISABLED_TransferIframeCloseWindow) {
+IN_PROC_BROWSER_TEST_F(MagicIframeBrowserTest, TransferIframeCloseWindow) {
   ASSERT_TRUE(test_server()->Start());
   GURL url(GetTestURL("iframe-reparenting-close-window.html"));
   ui_test_utils::NavigateToURLBlockUntilNavigationsComplete(browser(), url, 3);
   std::string result;
   ASSERT_TRUE(ui_test_utils::ExecuteJavaScriptAndExtractString(
       browser()->GetSelectedTabContents()->render_view_host(), L"",
       L"window.domAutomationController.send(getLog())", &result));
   ASSERT_NE(result.find("DONE"), std::string::npos) << result;
 }