Show ServiceWorkers in chrome://inspect.

content/browser/resources/service_worker/serviceworker_internals.js

Index: content/browser/resources/service_worker/serviceworker_internals.js
diff --git a/content/browser/resources/service_worker/serviceworker_internals.js b/content/browser/resources/service_worker/serviceworker_internals.js
index 1be184cf6fcc7e33dde303d9a0b560bda16e7719..fa23e7f9eb7415d8478d47b39abd626da9b82b52 100644
--- a/content/browser/resources/service_worker/serviceworker_internals.js
+++ b/content/browser/resources/service_worker/serviceworker_internals.js
@@ -5,6 +5,22 @@
 cr.define('serviceworker', function() {
     'use strict';
 
+    function initialize() {
+        if (window.location.hash == "#iframe") {
+            // This page is loaded from chrome://inspect.
+            window.addEventListener('message', onMessage.bind(this), false);
+        }
+        update();
+    }
+
+    function onMessage(event) {
+        if (event.origin != 'chrome://inspect') {
+            return;
+        }
+        chrome.send(event.data.action,
+                    [event.data.partition_path, event.data.scope]);
+    }
+
     function update() {
         chrome.send('getAllRegistrations');
     }
@@ -48,8 +64,34 @@ cr.define('serviceworker', function() {
 
     var allLogMessages = {};
 
+    // Send the active ServiceWorker information to chrome://inspect.
+    function sendToInspectPage(registrations, partition_id, partition_path) {
+        var workers = [];
+        for (var i = 0; i < registrations.length; i++) {
+            var registration = registrations[i];
+            if (!registration.active ||
+                registration.active.running_status != 'RUNNING') {
+                continue;
+            }
+            workers.push({
+                'partition_path': partition_path,
+                'scope': registration.scope,
+                'url': registration.script_url
+            })
+        }
+        window.parent.postMessage({
+            'partition_id': partition_id,
+            'workers': workers,
+        }, 'chrome://inspect')
+    }
+
     // Fired once per partition from the backend.
     function onPartitionData(registrations, partition_id, partition_path) {
+        if (window.location.hash == "#iframe") {
+            // This page is loaded from chrome://inspect.
+            sendToInspectPage(registrations, partition_id, partition_path);
+            return;
+        }
         var template;
         var container = $('serviceworker-list');
 
@@ -164,6 +206,7 @@ cr.define('serviceworker', function() {
     }
 
     return {
+        initialize: initialize,
         update: update,
         onOperationComplete: onOperationComplete,
         onPartitionData: onPartitionData,
@@ -177,4 +220,4 @@ cr.define('serviceworker', function() {
     };
 });
 
-document.addEventListener('DOMContentLoaded', serviceworker.update);
+document.addEventListener('DOMContentLoaded', serviceworker.initialize);