Apply CSP to chrome: and about: pages

chrome/browser/resources/about_credits.js

+// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+function $(o) {return document.getElementById(o);}
+
+function toggle(o) {
+  var licence = o.nextSibling;
+
+  while (licence.className != 'licence') {
+    if (!licence) return false;
+    licence = licence.nextSibling;
+  }
+
+  if (licence.style && licence.style.display == 'block') {
+    licence.style.display = 'none';
+    o.innerHTML = 'show license';
+  } else {
+    licence.style.display = 'block';
+    o.innerHTML = 'hide license';
+  }
+  return false;
+}
+
+document.body.onload = function () {
+  var links = document.getElementsByTagName("a");
+  for (var i = 0; i < links.length; i++) {
+    if (links[i].className === "show") {
+      links[i].onclick = function () { return toggle(this); };
+    }
+  }
+
+  $("print-link").onclick = function () {
+    window.print();
+    return false;
+  }
+};
+