diff -r 000000000000 -r 6474c204b198 browser/devtools/profiler/test/browser_profiler_escape.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/browser/devtools/profiler/test/browser_profiler_escape.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,43 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+const URL = "data:text/html;charset=utf8,<p>JavaScript Profiler test</p>";
+
+let gTab, gPanel;
+
+function test() {
+  waitForExplicitFinish();
+
+  setUp(URL, function (tab, browser, panel) {
+    gTab = tab;
+    gPanel = panel;
+
+    let record = gPanel.controls.record;
+
+    gPanel.once("started", () => {
+      gPanel.once("stopped", () => {
+        let [ win, doc ] = getProfileInternals(gPanel.activeProfile.uid);
+
+        let expl = "<script>function f() {}</script></textarea><img/src='about:logo'>";
+        let expl2 = "<script>function f() {}</script></pre><img/src='about:logo'>";
+
+        is(win.escapeHTML(expl),
+          "&lt;script&gt;function f() {}&lt;/script&gt;&lt;/textarea&gt;&lt;img/src='about:logo'&gt;");
+
+        is(win.escapeHTML(expl2),
+          "&lt;script&gt;function f() {}&lt;/script&gt;&lt;/pre&gt;&lt;img/src='about:logo'&gt;");
+
+        tearDown(gTab, () => {
+          gTab = null;
+          gPanel = null;
+        });
+      });
+
+      setTimeout(() => {
+        record.click();
+      }, 50);
+    });
+
+    record.click();
+  });
+}
\ No newline at end of file