[Smart Lock] Auto sign-in snackbar UI.

chrome/browser/ui/passwords/manage_passwords_ui_controller.h

 // Copyright 2014 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.
 
 #ifndef CHROME_BROWSER_UI_PASSWORDS_MANAGE_PASSWORDS_UI_CONTROLLER_H_
 #define CHROME_BROWSER_UI_PASSWORDS_MANAGE_PASSWORDS_UI_CONTROLLER_H_
 
 #include "base/memory/scoped_vector.h"
 #include "base/timer/elapsed_timer.h"
 #include "chrome/browser/ui/passwords/manage_passwords_state.h"
@@ skipping 178 matching lines @@
   // Shows the password bubble without user interaction.
   void ShowBubbleWithoutUserInteraction();
 
   // content::WebContentsObserver:
   void WebContentsDestroyed() override;
 
   // Shows infobar which allows user to choose credentials. Placing this
   // code to separate method allows mocking.
   virtual void UpdateAndroidAccountChooserInfoBarVisibility();
 
+  // Shows the snackbar, which informs the users that they were automatically
+  // signed in to the web site. The snackbar is triggered by the Credential
+  // Manager API. Placing this code to separate method allows mocking.
+  virtual void UpdateAutoSigninSnackbarVisibility();
+
   // The wrapper around current state and data.
   ManagePasswordsState passwords_data_;
 
   // Used to measure the amount of time on a page; if it's less than some
   // reasonable limit, then don't close the bubble upon navigation. We create
   // (and destroy) the timer in DidNavigateMainFrame.
   scoped_ptr<base::ElapsedTimer> timer_;
 
   // Contains true if the bubble is to be popped up in the next call to
   // UpdateBubbleAndIconVisibility().
   bool should_pop_up_bubble_;
 
   DISALLOW_COPY_AND_ASSIGN(ManagePasswordsUIController);
 };
 
 #endif  // CHROME_BROWSER_UI_PASSWORDS_MANAGE_PASSWORDS_UI_CONTROLLER_H_