|Portability||portable (depends on GHC)|
Access to the WebKit PolicyDecision
WebPolicyDecision objects are given to the application on signal emissions that deal with
policy decisions, such as if a new window should be opened, or if a given navigation should be
allowed. The application uses it to tell the engine what to do.
Will send the DOWNLOAD decision to the policy implementer.
Will send the IGNORE decision to the policy implementer.