diff --git a/dom/cache/moz.build b/dom/cache/moz.build
index 5862c86d398..3f672aafff3 100644
--- a/dom/cache/moz.build
+++ b/dom/cache/moz.build
@@ -94,3 +94,7 @@ FINAL_LIBRARY = 'xul'
 MOCHITEST_MANIFESTS += [
     'test/mochitest/mochitest.ini',
 ]
+
+MOCHITEST_CHROME_MANIFESTS += [
+    'test/mochitest/chrome.ini',
+]
diff --git a/dom/cache/test/mochitest/chrome.ini b/dom/cache/test/mochitest/chrome.ini
new file mode 100644
index 00000000000..d607bf2d817
--- /dev/null
+++ b/dom/cache/test/mochitest/chrome.ini
@@ -0,0 +1 @@
+[test_chrome_constructor.html]
diff --git a/dom/cache/test/mochitest/test_chrome_constructor.html b/dom/cache/test/mochitest/test_chrome_constructor.html
new file mode 100644
index 00000000000..f888d0614cf
--- /dev/null
+++ b/dom/cache/test/mochitest/test_chrome_constructor.html
@@ -0,0 +1,43 @@
+<!-- Any copyright is dedicated to the Public Domain.
+   - http://creativecommons.org/publicdomain/zero/1.0/ -->
+<!DOCTYPE HTML>
+<html>
+<head>
+  <title>Validate Interfaces Exposed to Workers</title>
+  <script type="text/javascript" src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"></script>
+  <link rel="stylesheet" type="text/css" href="chrome://mochikit/content/tests/SimpleTest/test.css" />
+</head>
+<body>
+<script class="testbody" type="text/javascript">
+  var Cu = Components.utils;
+  Cu.import('resource://gre/modules/Services.jsm');
+  SimpleTest.waitForExplicitFinish();
+
+  // attach to a different origin's CacheStorage
+  var url = 'http://example.com/';
+  var uri = Services.io.newURI(url, null, null);
+  var principal = Services.scriptSecurityManager.getNoAppCodebasePrincipal(uri);
+  var storage = new CacheStorage('content', principal);
+
+  // verify we can use the other origin's CacheStorage as normal
+  var req = new Request('http://example.com/index.html');
+  var res = new Response('hello world');
+  var cache;
+  storage.open('foo').then(function(c) {
+    cache = c;
+    ok(cache, 'storage should create cache');
+    return cache.put(req, res.clone());
+  }).then(function() {
+    return cache.match(req);
+  }).then(function(foundResponse) {
+    return Promise.all([res.text(), foundResponse.text()]);
+  }).then(function(results) {
+    is(results[0], results[1], 'cache should contain response');
+    return storage.delete('foo');
+  }).then(function(deleted) {
+    ok(deleted, 'storage should delete cache');
+    SimpleTest.finish();
+  });
+</script>
+</body>
+</html>
