DevTools: Autocomplete class names in ClassesPaneWidget

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

 /*
  * Copyright (C) 2010 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 516 matching lines @@
             if (!node)
                 return null;
 
             return new WebInspector.CSSMatchedStyles(this, node, inlinePayload || null, attributesPayload || null, matchedPayload || [], pseudoPayload || [], inheritedPayload || [], animationsPayload || []);
         }
 
         return this._agent.getMatchedStylesForNode(nodeId, callback.bind(this));
     },
 
     /**
+     * @param {!CSSAgent.StyleSheetId} styleSheetId
+     * @return {!Promise<?Array<string>>}

[lushnikov, 2016/09/15 17:58:31]

let's fulfill with !Array<string>

+     */
+    classNamesPromise: function(styleSheetId)
+    {
+        /**
+         * @param {?string} error
+         * @param {!Array<string>} classNames
+         * @return {?Array<string>}
+         */
+        function classNamesCallback(error, classNames)
+        {
+            return !error && classNames ? classNames : null;
+        }
+        return this._agent.collectClassNames(styleSheetId, classNamesCallback);
+    },
+
+    /**
      * @param {!DOMAgent.NodeId} nodeId
      * @return {!Promise.<?Map.<string, string>>}
      */
     computedStylePromise: function(nodeId)
     {
         return this._styleLoader.computedStylePromise(nodeId);
     },
 
     /**
      * @param {number} nodeId
@@ skipping 682 matching lines @@
 /**
  * @constructor
  * @param {?WebInspector.CSSStyleDeclaration} inlineStyle
  * @param {?WebInspector.CSSStyleDeclaration} attributesStyle
  */
 WebInspector.CSSModel.InlineStyleResult = function(inlineStyle, attributesStyle)
 {
     this.inlineStyle = inlineStyle;
     this.attributesStyle = attributesStyle;
 }