[4/5 blink] Shows the clients which are controlled by ServiceWorker in DevTools.

Source/devtools/front_end/sdk/ServiceWorkerManager.js

 /*
  * Copyright (C) 2011 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 144 matching lines @@
     deliverPushMessage: function(registrationId, data)
     {
         var registration = this._registrations.get(registrationId);
         if (!registration)
             return;
         var origin = WebInspector.ParsedURL.splitURLIntoPathComponents(registration.scopeURL)[0];
         this._agent.deliverPushMessage(origin, registrationId, data);
     },
 
     /**
+     * @param {string} targetId

[pfeldman, 2015/06/12 20:31:34]

Here and below {ServiceWorker.TargetID}

[horo, 2015/06/15 03:12:43]

Done.

+     */
+    activateTarget: function(targetId)
+    {
+        this._agent.activateTarget(targetId);
+    },
+
+    /**
      * @param {string} scope
      */
     _unregister: function(scope)
     {
         this._agent.unregister(scope);
     },
 
     /**
      * @param {string} scope
      */
@@ skipping 20 matching lines @@
 
     /**
      * @param {string} versionId
      */
     skipWaiting: function(versionId)
     {
         this._agent.skipWaiting(versionId);
     },
 
     /**
+     * @param {string} targetId
+     * @param {function(?WebInspector.TargetInfo)=} callback
+     */
+    getTargetInfo: function(targetId, callback)
+    {
+        /**
+         * @param {?Protocol.Error} error
+         * @param {?ServiceWorkerAgent.TargetInfo} targetInfo
+         */
+        function innerCallback(error, targetInfo)
+        {
+            if (error)
+                console.error(error);

[pfeldman, 2015/06/12 20:31:34]

callback(null); return; here

[horo, 2015/06/15 03:12:43]

Done.

+            if (targetInfo)
+                callback(new WebInspector.TargetInfo(targetInfo));
+            else
+                callback(null)
+        }
+        this._agent.getTargetInfo(targetId, innerCallback);
+    },
+
+    /**
      * @param {string} workerId
      * @param {string} url
      */
     _workerCreated: function(workerId, url)
     {
         new WebInspector.ServiceWorker(this, workerId, url);
     },
 
     /**
      * @param {string} workerId
@@ skipping 280 matching lines @@
     _close: function()
     {
         this.connectionClosed("worker_terminated");
     },
 
     __proto__: InspectorBackendClass.Connection.prototype
 }
 
 /**
  * @constructor
+ * @param {!ServiceWorkerAgent.TargetInfo} payload
+ */
+WebInspector.TargetInfo = function(payload)
+{
+    this.id = payload.id;
+    this.type = payload.type;
+    this.title = payload.title;
+    this.url = payload.url;
+}
+
+WebInspector.TargetInfo.prototype = {
+    /**
+     * @return {boolean}
+     */
+    isWebContents: function()
+    {
+        return this.type == "web_contents";
+    },
+    /**
+     * @return {boolean}
+     */
+    isFrame: function()
+    {
+        return this.type == "frame";
+    },
+}
+
+/**
+ * @constructor
  * @param {!ServiceWorkerAgent.ServiceWorkerErrorMessage} payload
  */
 WebInspector.ServiceWorkerErrorMessage = function(payload)
 {
     this.errorMessage = payload.errorMessage;
     this.sourceURL = payload.sourceURL;
     this.lineNumber = payload.lineNumber;
     this.columnNumber = payload.columnNumber;
 }
 
 /**
  * @constructor
  * @param {!WebInspector.ServiceWorkerRegistration} registration
  * @param {!ServiceWorkerAgent.ServiceWorkerVersion} payload
  */
 WebInspector.ServiceWorkerVersion = function(registration, payload)
 {
     this._registration = registration;
     this._update(payload);
     /** @type {!Array<!WebInspector.ServiceWorkerErrorMessage>} */
     this.errorMessages = [];
 }
 
 WebInspector.ServiceWorkerVersion.prototype = {
     /**
      * @param {!ServiceWorkerAgent.ServiceWorkerVersion} payload
      */
     _update: function(payload)
     {
         this.id = payload.versionId;

[pfeldman, 2015/06/12 20:31:34]

Most of these fields could be private.

[horo, 2015/06/15 03:12:43]

All of these fields are used in ServiceWorkersView.js

         this.scriptURL = payload.scriptURL;
         this.runningStatus = payload.runningStatus;
         this.status = payload.status;
         this.scriptLastModified = payload.scriptLastModified;
         this.scriptResponseTime = payload.scriptResponseTime;
+        this.controlledClients = []
+        for (var i = 0; i < payload.controlledClients.length; ++i) {
+          this.controlledClients.push(payload.controlledClients[i]);

[pfeldman, 2015/06/12 20:31:34]

4 spaces, {} around.

[horo, 2015/06/15 03:12:43]

Done.

+        }
     },
 
     /**
      * @return {boolean}
      */
     isStartable: function()
     {
         return !this._registration.isDeleted && this.isActivated() && this.isStopped();
     },
 
@@ skipping 168 matching lines @@
     },
 
     /**
      * @return {boolean}
      */
     _shouldBeRemoved: function()
     {
         return this._isRedundant() && (!this._hasErrorLog() || this._deleting);
     }
 }