DevTools: use shorthand syntax in interface definitions.

third_party/WebKit/Source/devtools/front_end/sdk/TracingModel.js

 /*
  * Copyright 2014 The Chromium Authors. All rights reserved.
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 /**
  * @unrestricted
  */
 SDK.TracingModel = class {
@@ skipping 444 matching lines @@
 
 /**
  * @interface
  */
 SDK.BackingStorage = function() {};
 
 SDK.BackingStorage.prototype = {
   /**
    * @param {string} string
    */
-  appendString: function(string) {},
+  appendString(string) {},
 
   /**
    * @param {string} string
    * @return {function():!Promise.<?string>}
    */
-  appendAccessibleString: function(string) {},
+  appendAccessibleString(string) {},
 
-  finishWriting: function() {},
+  finishWriting() {},
 
-  reset: function() {},
+  reset() {},
 };
 
 /**
  * @unrestricted
  */
 SDK.TracingModel.Event = class {
   /**
    * @param {string} categories
    * @param {string} name
    * @param {!SDK.TracingModel.Phase} phase
@@ skipping 472 matching lines @@
     return this._events;
   }
 
   /**
    * @return {!Array.<!SDK.TracingModel.AsyncEvent>}
    */
   asyncEvents() {
     return this._asyncEvents;
   }
 };