[DevTools] Show LastModified and ResponseTime of ServiceWorker script 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 438 matching lines @@
 WebInspector.ServiceWorkerVersion.prototype = {
     /**
      * @param {!ServiceWorkerAgent.ServiceWorkerVersion} payload
      */
     _update: function(payload)
     {
         this.id = payload.versionId;
         this.scriptURL = payload.scriptURL;
         this.runningStatus = payload.runningStatus;
         this.status = payload.status;
-        this.updateTime = payload.updateTime;
+        this.scriptLastModified = payload.scriptLastModified;
+        this.scriptResponseTime = payload.scriptResponseTime;
     },
 
     /**
      * @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);
     }
 }