DevTools: use shorthand syntax in interface definitions.

third_party/WebKit/Source/devtools/front_end/sources/UISourceCodeFrame.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:
  *
  * 1. Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *
@@ skipping 437 matching lines @@
 /**
  * @interface
  */
 Sources.UISourceCodeFrame.LineDecorator = function() {};
 
 Sources.UISourceCodeFrame.LineDecorator.prototype = {
   /**
    * @param {!Workspace.UISourceCode} uiSourceCode
    * @param {!TextEditor.CodeMirrorTextEditor} textEditor
    */
-  decorate: function(uiSourceCode, textEditor) {}
+  decorate(uiSourceCode, textEditor) {}
 };
 
 /**
  * @unrestricted
  */
 Sources.UISourceCodeFrame.RowMessage = class {
   /**
    * @param {!Workspace.UISourceCode.Message} message
    */
   constructor(message) {
@@ skipping 184 matching lines @@
 
 /**
  * @param {!Workspace.UISourceCode.Message} a
  * @param {!Workspace.UISourceCode.Message} b
  * @return {number}
  */
 Workspace.UISourceCode.Message.messageLevelComparator = function(a, b) {
   return Workspace.UISourceCode.Message._messageLevelPriority[a.level()] -
       Workspace.UISourceCode.Message._messageLevelPriority[b.level()];
 };