Pass navigable to CSP navigation response check

Follows w3c/webappsec-csp#580.

Author: antosart

source

@@ -91042,7 +91042,7 @@ location.href = '#foo';</code></pre>
      <var>navigationParams</var>'s <span data-x="navigation-params-response">response</span>,
      <var>navigationParams</var>'s <span data-x="navigation-params-policy-container">policy
      container</span>'s <span data-x="policy-container-csp-list">CSP list</span>,
-     <var>cspNavigationType</var>, and <var>currentBrowsingContext</var> is "<code
+     <var>cspNavigationType</var>, and <var>navigable</var> is "<code
      data-x="">Blocked</code>", then set <var>failure</var> to true. <ref spec="CSP"></p></li>
 
      <li><p>Otherwise, if <var>navigationParams</var>'s <span