DevTools: use shorthand syntax in interface definitions.

third_party/WebKit/Source/devtools/front_end/common/ContentProvider.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.ContentProvider = function() {};
 
 Common.ContentProvider.prototype = {
   /**
    * @return {string}
    */
-  contentURL: function() {},
+  contentURL() {},
 
   /**
    * @return {!Common.ResourceType}
    */
-  contentType: function() {},
+  contentType() {},
 
   /**
    * @return {!Promise<?string>}
    */
-  requestContent: function() {},
+  requestContent() {},
 
   /**
    * @param {string} query
    * @param {boolean} caseSensitive
    * @param {boolean} isRegex
    * @param {function(!Array.<!Common.ContentProvider.SearchMatch>)} callback
    */
-  searchInContent: function(query, caseSensitive, isRegex, callback) {}
+  searchInContent(query, caseSensitive, isRegex, callback) {}
 };
 
 /**
  * @unrestricted
  */
 Common.ContentProvider.SearchMatch = class {
   /**
    * @param {number} lineNumber
    * @param {string} lineContent
    */
@@ skipping 32 matching lines @@
  * @return {?string}
  */
 Common.ContentProvider.contentAsDataURL = function(content, mimeType, contentEncoded, charset) {
   const maxDataUrlSize = 1024 * 1024;
   if (content === null || content.length > maxDataUrlSize)
     return null;
 
   return 'data:' + mimeType + (charset ? ';charset=' + charset : '') + (contentEncoded ? ';base64' : '') + ',' +
       content;
 };