// Triggers dialog to sign in to Google.
// Returns a NotificationSource to be used to monitor for sign-in completion.
- virtual const content::NavigationController* ShowSignIn() = 0;
+ virtual const content::NavigationController* ShowSignIn(const GURL& url) = 0;
// Closes out any sign-in UI and returns to normal operation.
virtual void HideSignIn() = 0;