DevTools: use shorthand syntax in interface definitions.

third_party/WebKit/Source/devtools/front_end/common/Object.js

 /*
  * Copyright (C) 2008 Apple 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:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 146 matching lines @@
   eventList.splice(0, eventList.length);
 };
 
 Common.EventTarget.prototype = {
   /**
    * @param {string|symbol} eventType
    * @param {function(!Common.Event)} listener
    * @param {!Object=} thisObject
    * @return {!Common.EventTarget.EventDescriptor}
    */
-  addEventListener: function(eventType, listener, thisObject) {},
+  addEventListener(eventType, listener, thisObject) {},
 
   /**
    * @param {string|symbol} eventType
    * @param {function(!Common.Event)} listener
    * @param {!Object=} thisObject
    */
-  removeEventListener: function(eventType, listener, thisObject) {},
+  removeEventListener(eventType, listener, thisObject) {},
 
-  removeAllListeners: function() {},
+  removeAllListeners() {},
 
   /**
    * @param {string|symbol} eventType
    * @return {boolean}
    */
-  hasEventListeners: function(eventType) {},
+  hasEventListeners(eventType) {},
 
   /**
    * @param {string|symbol} eventType
    * @param {*=} eventData
    * @return {boolean}
    */
-  dispatchEventToListeners: function(eventType, eventData) {},
+  dispatchEventToListeners(eventType, eventData) {},
 };
 
 /**
  * @unrestricted
  */
 Common.EventTarget.EventDescriptor = class {
   /**
    * @param {!Common.EventTarget} eventTarget
    * @param {string|symbol} eventType
    * @param {(!Object|undefined)} receiver
    * @param {function(?):?} method
    */
   constructor(eventTarget, eventType, receiver, method) {
     this.eventTarget = eventTarget;
     this.eventType = eventType;
     this.receiver = receiver;
     this.method = method;
   }
 };