[Extension ServiceWorkers] Allow service worker registration

chrome/test/data/extensions/api_test/service_worker/register/sw.js

Index: chrome/test/data/extensions/api_test/service_worker/register/sw.js
diff --git a/chrome/test/data/extensions/api_test/service_worker/register/sw.js b/chrome/test/data/extensions/api_test/service_worker/register/sw.js
index 78cf16c57f711facbf0d5e33977fb4d1fcb31fbf..b1f487671512a0583f16c9fe36f184d113a121fc 100644
--- a/chrome/test/data/extensions/api_test/service_worker/register/sw.js
+++ b/chrome/test/data/extensions/api_test/service_worker/register/sw.js
@@ -2,4 +2,10 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-console.log("Hello from the service worker");
+var logForDebugging = false;
+function log(message) {
+  if (logForDebugging)
+    console.log(message);
+}
+
+log("Hello from the service worker");