Fix comment in SecurityTokenPinDialogHost

The comment was still referring to the old name of one of the methods,
before it got renamed.

Bug: none
Change-Id: I4f539546581e20d5c244da425a220e0f8db7875b
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1919145Reviewed-by: Igor <igorcov@chromium.org>
Commit-Queue: Maksim Ivanov <emaxx@chromium.org>
Cr-Commit-Position: refs/heads/master@{#717655}

chrome/browser/chromeos/certificate_provider/security_token_pin_dialog_host.h

@@ -30,8 +30,8 @@ class SecurityTokenPinDialogHost {
   // Shows the PIN dialog, or updates the existing one if it's already shown.
   //
   // Note that the caller is still responsible for closing the opened dialog, by
-  // calling ClosePinDialog(), after the |callback| got executed with a
-  // non-empty |user_input|.
+  // calling CloseSecurityTokenPinDialog(), after the |callback| got executed
+  // with a non-empty |user_input|.
   //
   // Note also that when the existing dialog is updated, its old callbacks will
   // NOT be called at all.