Bug 1488785 - Part 1: Don't save persistent storage access permissions for...

  }

  // Remember that this pref is stored in seconds!

  uint32_t expirationType = nsIPermissionManager::EXPIRE_TIME;

  uint32_t expirationTime =

    StaticPrefs::privacy_restrict3rdpartystorage_expiration() * 1000;

  int64_t when = (PR_Now() / PR_USEC_PER_MSEC) + expirationTime;

  uint32_t privateBrowsingId = 0;

  nsresult rv = aParentPrincipal->GetPrivateBrowsingId(&privateBrowsingId);

  if (!NS_WARN_IF(NS_FAILED(rv)) && privateBrowsingId > 0) {

    // If we are coming from a private window, make sure to store a session-only

    // permission which won't get persisted to disk.

    expirationType = nsIPermissionManager::EXPIRE_SESSION;

    when = 0;

  }

  nsAutoCString type;

  CreatePermissionKey(aTrackingOrigin, aGrantedOrigin, type);

  LOG(("Computed permission key: %s, expiry: %d, proceeding to save in the permission manager",

       type.get(), expirationTime));

  nsresult rv = pm->AddFromPrincipal(aParentPrincipal, type.get(),

  rv = pm->AddFromPrincipal(aParentPrincipal, type.get(),

                            nsIPermissionManager::ALLOW_ACTION,

                                     nsIPermissionManager::EXPIRE_TIME, when);

                            expirationType, when);

  Unused << NS_WARN_IF(NS_FAILED(rv));

  aResolver(NS_SUCCEEDED(rv));