DevTools: WI.Throttler goes promisified.

Source/devtools/front_end/elements/ComputedStyleWidget.js

 /*
  * Copyright (C) 2007 Apple Inc.  All rights reserved.
  * Copyright (C) 2009 Joseph Pecoraro
  *
  * 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 90 matching lines @@
         this._stylesSidebarPane.tracePropertyName(property.name);
     },
 
     _showInheritedComputedStyleChanged: function()
     {
         this.update();
     },
 
     /**
      * @override
-     * @param {!WebInspector.Throttler.FinishCallback} finishedCallback
+     * @return {!Promise.<?>}
      */
-    doUpdate: function(finishedCallback)
+    doUpdate: function()
     {
         var promises = [
             this._sharedModel.fetchComputedStyle(),
             this._stylesSidebarPane.fetchMatchedCascade()
         ];
-        Promise.all(promises)
-            .spread(this._innerRebuildUpdate.bind(this))
-            .then(finishedCallback);
+        return Promise.all(promises)
+            .spread(this._innerRebuildUpdate.bind(this));
     },
 
     /**
      * @param {string} text
      * @return {!Node}
      */
     _processColor: function(text)
     {
         var color = WebInspector.Color.parse(text);
         if (!color)
@@ skipping 74 matching lines @@
         for (var i = 0; i < this._propertiesContainer.children.length; ++i) {
             var item = this._propertiesContainer.children[i];
             var property = item[WebInspector.ComputedStyleWidget._propertySymbol];
             var matched = !regex || regex.test(property.name) || regex.test(property.value);
             item.classList.toggle("hidden", !matched);
         }
     },
 
     __proto__: WebInspector.ThrottledWidget.prototype
 }