Convert asynchronous closure test in cr.ui framework to a browser test.

chrome/test/data/webui/webui_resource_browsertest.cc

 // Copyright 2013 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 <vector>
 
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/tabs/tab_strip_model.h"
 #include "chrome/test/base/in_process_browser_test.h"
 #include "chrome/test/base/ui_test_utils.h"
@@ skipping 26 matching lines @@
               *include_libraries_iterator);
       library_content.AppendToString(&script);
       script.append("\n");
     }
     ExecuteJavascriptOnCurrentTab(script);
 
     content::DOMMessageQueue message_queue;
     std::string message;
     ExecuteJavascriptOnCurrentTab("runTests()");
     ASSERT_TRUE(message_queue.WaitForMessage(&message));
+    while (message.compare("\"PENDING\"") == 0) {
+      ASSERT_TRUE(message_queue.WaitForMessage(&message));
+    }
     EXPECT_STREQ("\"SUCCESS\"", message.c_str());
   }
 
   // Queues the library corresponding to |resource_id| for injection into the
   // test. The code injection is performed post-load, so any common test
   // initialization that depends on the library should be placed in a setUp
   // function.
   void AddLibrary(int resource_id) {
     include_libraries.push_back(resource_id);
   }
@@ skipping 48 matching lines @@
   AddLibrary(IDR_WEBUI_JS_CR_EVENT_TARGET);
   AddLibrary(IDR_WEBUI_JS_CR_UI_LIST_SELECTION_MODEL);
   RunTest(base::FilePath(FILE_PATH_LITERAL("list_selection_model_test.html")));
 }
 
 IN_PROC_BROWSER_TEST_F(WebUIResourceBrowserTest, LocalStringsTest) {
   AddLibrary(IDR_WEBUI_JS_LOCAL_STRINGS);
   RunTest(base::FilePath(FILE_PATH_LITERAL("local_strings_test.html")));
 }
 
+IN_PROC_BROWSER_TEST_F(WebUIResourceBrowserTest, ParseHtmlSubsetTest) {
+  AddLibrary(IDR_WEBUI_JS_PARSE_HTML_SUBSET);
+  RunTest(base::FilePath(FILE_PATH_LITERAL("parse_html_subset_test.html")));
+}
+
 IN_PROC_BROWSER_TEST_F(WebUIResourceBrowserTest, PositionUtilTest) {
   AddLibrary(IDR_WEBUI_JS_CR);
   AddLibrary(IDR_WEBUI_JS_CR_UI_POSITION_UTIL);
   RunTest(base::FilePath(FILE_PATH_LITERAL("position_util_test.html")));
 }