Determines whether the specified Object is equal to the current Object.

Serves as a hash function for a particular type.

Gets the Type of the current instance.

Creates a shallow copy of the current Object.

Called before a download begins. |suggested_name| is the suggested name for the download file. By default the download will be canceled. Execute |callback| either asynchronously or in this method to continue the download if desired. Do not keep a reference to |download_item| outside of this method.

Called when a download's status or progress information has been updated. This may be called multiple times before and after OnBeforeDownload(). Execute |callback| either asynchronously or in this method to cancel the download if desired. Do not keep a reference to |download_item| outside of this method.

Returns a String that represents the current Object.