Fix the no password save issue for ajax login

chrome/browser/password_manager/password_manager_browsertest.cc

Index: chrome/browser/password_manager/password_manager_browsertest.cc
diff --git a/chrome/browser/password_manager/password_manager_browsertest.cc b/chrome/browser/password_manager/password_manager_browsertest.cc
new file mode 100644
index 0000000000000000000000000000000000000000..e42034115396767cc108f5702ec388a1442f0fc8
--- /dev/null
+++ b/chrome/browser/password_manager/password_manager_browsertest.cc
@@ -0,0 +1,129 @@
+// 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 "chrome/browser/infobars/confirm_infobar_delegate.h"
+#include "chrome/browser/infobars/infobar_service.h"
+#include "chrome/browser/ui/browser.h"
+#include "chrome/browser/ui/tabs/tab_strip_model.h"
+#include "chrome/common/chrome_notification_types.h"
+#include "chrome/test/base/in_process_browser_test.h"
+#include "chrome/test/base/ui_test_utils.h"
+#include "content/public/browser/notification_observer.h"
+#include "content/public/browser/notification_registrar.h"
+#include "content/public/browser/notification_service.h"
+#include "content/public/browser/render_view_host.h"
+#include "content/public/browser/web_contents.h"
+#include "content/public/browser/web_contents_observer.h"
+#include "content/public/test/browser_test_utils.h"
+#include "content/public/test/test_utils.h"
+#include "testing/gmock/include/gmock/gmock.h"
+#include "ui/base/keycodes/keyboard_codes.h"
+
+namespace {
+
+class NavigationObserver : public content::NotificationObserver,
+                           public content::WebContentsObserver {
+ public:
+  explicit NavigationObserver(content::WebContents* web_contents)
+      : content::WebContentsObserver(web_contents),
+        message_loop_runner_(new content::MessageLoopRunner),
+        info_bar_shown_(false),
+        infobar_service_(InfoBarService::FromWebContents(web_contents)) {
+    registrar_.Add(this,
+                   chrome::NOTIFICATION_TAB_CONTENTS_INFOBAR_ADDED,
+                   content::Source<InfoBarService>(infobar_service_));
+  }
+
+  virtual ~NavigationObserver() {}
+
+  void Wait() {
+    message_loop_runner_->Run();
+  }
+
+  bool InfoBarWasShown() {
+    return info_bar_shown_;
+  }
+
+  // content::NotificationObserver:
+  virtual void Observe(int type,
+                       const content::NotificationSource& source,
+                       const content::NotificationDetails& details) OVERRIDE {
+    // Accept in the infobar.
+    InfoBarDelegate* infobar = infobar_service_->GetInfoBarDelegateAt(0);
+    ConfirmInfoBarDelegate* confirm_infobar =
+        infobar->AsConfirmInfoBarDelegate();
+    confirm_infobar->Accept();
+    info_bar_shown_ = true;
+  }
+
+  // content::WebContentsObserver
+  virtual void DidFinishLoad(int64 frame_id,
+                             const GURL& validated_url,
+                             bool is_main_frame,
+                             content::RenderViewHost* render_view_host) {
+    message_loop_runner_->Quit();
+  }
+
+ private:
+  scoped_refptr<content::MessageLoopRunner> message_loop_runner_;
+  bool info_bar_shown_;
+  content::NotificationRegistrar registrar_;
+  InfoBarService* infobar_service_;
+};
+
+}  // namespace
+
+class PasswordManagerBrowserTest : public InProcessBrowserTest {
+ protected:
+  content::WebContents* WebContents() {
+    return browser()->tab_strip_model()->GetActiveWebContents();
+  }
+
+  content::RenderViewHost* RenderViewHost() {
+    return WebContents()->GetRenderViewHost();
+  }
+};
+
+IN_PROC_BROWSER_TEST_F(PasswordManagerBrowserTest, PromptForXHRSubmit) {
+  ASSERT_TRUE(test_server()->Start());
+
+  GURL url = test_server()->GetURL("files/password/password_xhr_submit.html");
+  ui_test_utils::NavigateToURL(browser(), url);
+
+  // Verify that we show the save password prompt if a form returns false
+  // in its onsubmit handler but instead logs in/navigates via XHR.
+  // Note that calling 'submit()' on a form with javascript doesn't call
+  // the onsubmit handler, so we click the submit button instead.
+  NavigationObserver observer(WebContents());
+  std::string fill_and_submit =
+      "document.getElementById('username_field').value = 'temp';"
+      "document.getElementById('password_field').value = 'random';"
+      "document.getElementById('submit_button').click()";
+  ASSERT_TRUE(content::ExecuteScript(RenderViewHost(), fill_and_submit));
+  observer.Wait();
+  EXPECT_TRUE(observer.InfoBarWasShown());
+}
+
+IN_PROC_BROWSER_TEST_F(PasswordManagerBrowserTest, NoPromptForOtherXHR) {
+  ASSERT_TRUE(test_server()->Start());
+
+  GURL url = test_server()->GetURL("files/password/password_xhr_submit.html");
+  ui_test_utils::NavigateToURL(browser(), url);
+
+  // Verify that if random XHR navigation occurs, we don't try and save the
+  // password.
+  //
+  // We may want to change this functionality in the future to account for
+  // cases where the element that users click on isn't a submit button.
+  NavigationObserver observer(WebContents());
+  std::string fill_and_navigate =
+      "document.getElementById('username_field').value = 'temp';"
+      "document.getElementById('password_field').value = 'random';"
+      "send_xhr()";
+  ASSERT_TRUE(content::ExecuteScript(RenderViewHost(), fill_and_navigate));
+  observer.Wait();
+  EXPECT_FALSE(observer.InfoBarWasShown());
+}