[Smart Lock] Auto sign-in snackbar UI.

chrome/browser/ui/passwords/manage_passwords_ui_controller.h

Index: chrome/browser/ui/passwords/manage_passwords_ui_controller.h
diff --git a/chrome/browser/ui/passwords/manage_passwords_ui_controller.h b/chrome/browser/ui/passwords/manage_passwords_ui_controller.h
index 049d1eb8d93d43af7d616343bde3b9ac8cf729d3..853f6611ef72dfeb2637ce7901f092de7765ec1f 100644
--- a/chrome/browser/ui/passwords/manage_passwords_ui_controller.h
+++ b/chrome/browser/ui/passwords/manage_passwords_ui_controller.h
@@ -196,6 +196,11 @@ class ManagePasswordsUIController
   // 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_;