ClickToPlayPluginTest.NoCallbackAtLoad test should create head element

chrome/browser/content_settings/content_settings_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/command_line.h"
 #include "base/path_service.h"
 #include "base/strings/stringprintf.h"
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/browser/chrome_notification_types.h"
 #include "chrome/browser/content_settings/cookie_settings.h"
@@ skipping 403 matching lines @@
 // If this flakes, use http://crbug.com/113057.
 // TODO(jschuh): Hanging plugin tests. crbug.com/244653
 #if !defined(OS_WIN) && !defined(ARCH_CPU_X86_64)
 IN_PROC_BROWSER_TEST_F(ClickToPlayPluginTest, NoCallbackAtLoad) {
   browser()->profile()->GetHostContentSettingsMap()->SetDefaultContentSetting(
       CONTENT_SETTINGS_TYPE_PLUGINS, CONTENT_SETTING_BLOCK);
 
   GURL url("data:application/vnd.npapi-test,CallOnStartup();");
   ui_test_utils::NavigateToURL(browser(), url);
 
+  std::string script("CallOnStartup = function() { ");
+  script.append("document.documentElement.appendChild");
+  script.append("(document.createElement(\"head\")); ");
+  script.append("document.title = \"OK\"; }");
+
   // Inject the callback function into the HTML page generated by the browser.
   ASSERT_TRUE(content::ExecuteScript(
-      browser()->tab_strip_model()->GetActiveWebContents(),
-      "CallOnStartup = function() { document.title = \"OK\"; }"));
+      browser()->tab_strip_model()->GetActiveWebContents(), script));
 
   base::string16 expected_title(base::ASCIIToUTF16("OK"));
   content::TitleWatcher title_watcher(
       browser()->tab_strip_model()->GetActiveWebContents(), expected_title);
 
   ChromePluginServiceFilter::GetInstance()->AuthorizeAllPlugins(
       browser()->tab_strip_model()->GetActiveWebContents(), true,
       std::string());
 
   EXPECT_EQ(expected_title, title_watcher.WaitAndGetTitle());
@@ skipping 285 matching lines @@
 #if defined(OS_WIN) && defined(USE_ASH)
   // Disable this test in Metro+Ash for now (http://crbug.com/262796).
   if (CommandLine::ForCurrentProcess()->HasSwitch(switches::kAshBrowserTests))
     return;
 #endif
   RunJavaScriptBlockedTest("load_nacl_no_js.html", true);
 }
 #endif  // !defined(DISABLE_NACL)
 
 #endif  // defined(ENABLE_PLUGINS)