[Password Manager] Show omnibox icon and anchored prompt once user start typing password

chrome/browser/password_manager/password_manager_interactive_uitest.cc

 // Copyright 2015 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/strings/utf_string_conversions.h"
 #include "chrome/browser/password_manager/password_manager_test_base.h"
 #include "chrome/browser/password_manager/password_store_factory.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/browser_commands.h"
 #include "components/password_manager/core/browser/test_password_store.h"
@@ skipping 63 matching lines @@
   // focus.
   chrome::FocusLocationBar(browser());
   WaitForElementValue("username_field", "tempORARY");
 
   NavigationObserver navigation_observer(WebContents());
   BubbleObserver prompt_observer(WebContents());
   std::string submit =
       "document.getElementById('input_submit_button').click();";
   ASSERT_TRUE(content::ExecuteScript(RenderViewHost(), submit));
   navigation_observer.Wait();
-  EXPECT_TRUE(prompt_observer.IsShowingSavePrompt());
+  EXPECT_TRUE(prompt_observer.IsSavePromptShownAutomatically());
   prompt_observer.AcceptSavePrompt();
 
   // Spin the message loop to make sure the password store had a chance to save
   // the password.
   WaitForPasswordStore();
   EXPECT_FALSE(password_store->IsEmpty());
 
   // Verify that there are two saved password, the old password and the new
   // password.
   password_manager::TestPasswordStore::PasswordMap stored_passwords =
       password_store->stored_passwords();
   EXPECT_EQ(1u, stored_passwords.size());
   EXPECT_EQ(2u, stored_passwords.begin()->second.size());
   EXPECT_EQ(base::UTF8ToUTF16("temp"),
             (stored_passwords.begin()->second)[0].username_value);
   EXPECT_EQ(base::UTF8ToUTF16("tempORARY"),
             (stored_passwords.begin()->second)[1].username_value);
 }
 
+IN_PROC_BROWSER_TEST_F(PasswordManagerBrowserTestBase,
+                       ManualFallbackForSaving) {
+  NavigateToFile("/password/password_form.html");
+
+  std::string focus("document.getElementById('password_field').focus();");
+  ASSERT_TRUE(content::ExecuteScript(RenderViewHost(), focus));
+  SimulateUserTypingInField(RenderViewHost(), WebContents(), "password_field");
+  BubbleObserver prompt_observer(WebContents());
+  prompt_observer.WaitForFallbackForSaving();
+
+  // The save prompt should be available but shouldn't pop up automatically.
+  EXPECT_TRUE(prompt_observer.IsSavePromptAvailable());
+  EXPECT_FALSE(prompt_observer.IsSavePromptShownAutomatically());
+
+  prompt_observer.AcceptSavePrompt();
+
+  WaitForPasswordStore();
+  CheckThatCredentialsStored(base::string16(), base::ASCIIToUTF16("ORARY"));
+}
+
 }  // namespace password_manager