let contextsToVisit = [gBrowser.selectedBrowser.browsingContext];
    while (contextsToVisit.length) {
      let currentContext = contextsToVisit.pop();
      let global = currentContext.currentWindowGlobal;

      if (!global) {
        continue;
      }
      let docURI = global.documentURI;
      // Ensure the page is an about:blocked pagae before handling.
      if (
        docURI &&
        docURI.spec.startsWith("about:blocked?e=deceptiveBlocked")
      ) {
        let actor = global.getActor("BlockedSite");
        actor.sendQuery("DeceptiveBlockedDetails").then(data => {
          let reportUrl = gSafeBrowsing.getReportURL(
            "PhishMistake",
            data.blockedInfo
          );
          if (reportUrl) {
            openTrustedLinkIn(reportUrl, "tab");
          } else {
            let bundle = Services.strings.createBundle(
              "chrome://browser/locale/safebrowsing/safebrowsing.properties"
            );
            Services.prompt.alert(
              window,
              bundle.GetStringFromName("errorReportFalseDeceptiveTitle"),
              bundle.formatStringFromName("errorReportFalseDeceptiveMessage", [
                data.blockedInfo.provider,
              ])
            );
          }
        });
      }

      contextsToVisit.push(...currentContext.children);
    }
  },
};
PK