PasswordManager: Add rendered forms to pending_login_managers_

chrome/browser/password_manager/password_manager_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 <string>
 
 #include "base/command_line.h"
 #include "base/metrics/histogram_samples.h"
 #include "base/metrics/statistics_recorder.h"
 #include "base/strings/stringprintf.h"
@@ skipping 907 matching lines @@
   chrome::NavigateParams params(browser(), url,
                                 content::PAGE_TRANSITION_RELOAD);
   ui_test_utils::NavigateToURL(&params);
   observer.Wait();
   if (ChromePasswordManagerClient::IsTheHotNewBubbleUIEnabled()) {
     EXPECT_FALSE(controller()->PasswordPendingUserDecision());
   } else {
     EXPECT_FALSE(observer.infobar_shown());
   }
 }
+
+// Test that if a form gets dynamically added between the form parsing and
+// rendering, and while the main frame still loads, it still is registered, and
+// thus saving passwords from it works.
+IN_PROC_BROWSER_TEST_F(PasswordManagerBrowserTest,
+                       FormsAddedBetweenParsingAndRendering) {
+  NavigateToFile("/password/between_parsing_and_rendering.html");
+
+  NavigationObserver observer(WebContents());
+  std::string submit =
+      "document.getElementById('username').value = 'temp';"
+      "document.getElementById('password').value = 'random';"
+      "document.getElementById('submit-button').click();";
+  ASSERT_TRUE(content::ExecuteScript(RenderViewHost(), submit));
+  observer.Wait();
+
+  if (ChromePasswordManagerClient::IsTheHotNewBubbleUIEnabled()) {
+    EXPECT_TRUE(controller()->PasswordPendingUserDecision());
+  } else {
+    EXPECT_TRUE(observer.infobar_shown());
+  }
+}