Revert "Remove Finch support for PasswordBranding"

chrome/browser/ui/passwords/passwords_model_delegate.h

Index: chrome/browser/ui/passwords/passwords_model_delegate.h
diff --git a/chrome/browser/ui/passwords/passwords_model_delegate.h b/chrome/browser/ui/passwords/passwords_model_delegate.h
index d5fcafda4556f35d70792c5e9629dcf60147e374..9fdcdd799c970869c7da6e503e4a054bd8cd5350 100644
--- a/chrome/browser/ui/passwords/passwords_model_delegate.h
+++ b/chrome/browser/ui/passwords/passwords_model_delegate.h
@@ -81,6 +81,8 @@ class PasswordsModelDelegate {
       const autofill::PasswordForm& form,
       password_manager::CredentialType credential_type) = 0;
 
+  // Open a new tab pointing to passwords.google.com.
+  virtual void NavigateToExternalPasswordManager() = 0;
   // Open a new tab, pointing to the Smart Lock help article.
   virtual void NavigateToSmartLockHelpPage() = 0;
   // Open a new tab, pointing to the password manager settings page.