Merge branch 'integrity' into htmlimports

Author: t2ym

demo/bootstrap.js

@@ -17,10 +17,7 @@ else {
     let script = top.document.querySelector('script');
     let src = script.src;
     if (!src) {
-      let attr = Array.prototype.filter.call(script.attributes, (a) => a.name.endsWith(':href'))[0];
-      if (attr) {
-        src = attr.value;
-      }
+      location = 'about:blank'; // top SVG is not supported
     }
     noHookAuthorization = new URL(src, baseURI).searchParams.get('no-hook-authorization');
     break;