DevTools: use shorthand syntax in interface definitions.

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

 /*
  * Copyright (C) 2012 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 18 matching lines @@
  */
 /**
  * @interface
  */
 Common.Progress = function() {};
 
 Common.Progress.prototype = {
   /**
    * @param {number} totalWork
    */
-  setTotalWork: function(totalWork) {},
+  setTotalWork(totalWork) {},
 
   /**
    * @param {string} title
    */
-  setTitle: function(title) {},
+  setTitle(title) {},
 
   /**
    * @param {number} worked
    * @param {string=} title
    */
-  setWorked: function(worked, title) {},
+  setWorked(worked, title) {},
 
   /**
    * @param {number=} worked
    */
-  worked: function(worked) {},
+  worked(worked) {},
 
-  done: function() {},
+  done() {},
 
   /**
    * @return {boolean}
    */
-  isCanceled: function() {
+  isCanceled() {
     return false;
   },
 };
 
 /**
  * @unrestricted
  */
 Common.CompositeProgress = class {
   /**
    * @param {!Common.Progress} parent
@@ skipping 167 matching lines @@
 
   /**
    * @override
    * @param {number=} worked
    */
   worked(worked) {
     if (this._delegate)
       this._delegate.worked(worked);
   }
 };