text: The nsIFormHistory object is a service which holds a set of name/value pairs. More...
  import "nsIFormHistory.idl";.
  Adds a name and value pair to the form history.
  Gets whether a name and value pair exists in the form history.
  Returns true if there is no entry that is paired with a name.
  Removes all entries in the entire form history.
  Removes entries that were created between the specified times.
  Removes all entries that are paired with a name.
  Removes a name and value pair from the form history.
  Returns the underlying DB connection the form history module is using.
  Returns true if the form history has any entries.