Add JSFrame implementation for report window

Signed-off-by: Alek Ratzloff <alekratz@gmail.com>

board/static/board/post.js

@@ -71,16 +71,16 @@ function openReportWindow(e, postElement) {
     e.preventDefault();
     // If there's already a report window open, close it and open this one.
     if (window.top.reportWindow) {
-        window.top.reportWindow.close();
+        window.top.reportWindow.closeFrame();
     }
     let reportUrl = $(postElement).attr("data-report-url");
-    window.reportWindow = new WinBox("New Report", {
+    window.top.reportWindow = jsFrame.create({
         url: reportUrl,
         modal: true,
-        onclose: function (force) {
-            window.top.reportWindow = null;
-        }
+        width: 360,
+        height: 95,
     });
+    window.top.reportWindow.show();
 }
 
 function onLoad(e) {