Add ARIA panel to accessibility sidebar pane

third_party/WebKit/Source/devtools/front_end/elements/ElementsPanel.js

 /*
  * Copyright (C) 2007, 2008 Apple Inc.  All rights reserved.
  * Copyright (C) 2008 Matt Lilek <webkit@mattlilek.com>
  * 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
@@ skipping 183 matching lines @@
                 this._startToolbarPaneAnimation(this._pendingWidget);
                 delete this._pendingWidget;
             }
         }
     },
 
     _loadSidebarViews: function()
     {
         var extensions = self.runtime.extensions("@WebInspector.View");
 
+        var promises = [];
         for (var i = 0; i < extensions.length; ++i) {
             var descriptor = extensions[i].descriptor();
             if (descriptor["location"] !== "elements-panel")
                 continue;
 
             var title = WebInspector.UIString(descriptor["title"]);
-            extensions[i].instancePromise().then(addSidebarView.bind(this, title));
+            promises.push(extensions[i].instancePromise().then(addSidebarView.bind(this, title)));
         }
 
+        Promise.all(promises).then(this._sidebarViewsLoadedForTest.bind(this));
+
         /**
          * @param {string} title
          * @param {!Object} object
          * @this {WebInspector.ElementsPanel}
          */
         function addSidebarView(title, object)
         {
             var view = /** @type {!WebInspector.View} */ (object);
             this._elementsSidebarViews.push(view);
 
             if (this.sidebarPaneView)
                 this.sidebarPaneView.appendView(view);
         }
     },
 
+    _sidebarViewsLoadedForTest: function()
+    {
+        // For sniffing in tests.
+    },
+
     /**
      * @override
      * @param {!WebInspector.Target} target
      */
     targetAdded: function(target)
     {
         var domModel = WebInspector.DOMModel.fromTarget(target);
         if (!domModel)
             return;
         var treeOutline = new WebInspector.ElementsTreeOutline(domModel, true, true);
@@ skipping 939 matching lines @@
     /**
      * @override
      * @param {!WebInspector.DOMNode} node
      * @return {?{title: string, color: string}}
      */
     decorate: function(node)
     {
         return { color: "orange", title: WebInspector.UIString("Element state: %s", ":" + WebInspector.CSSModel.fromNode(node).pseudoState(node).join(", :")) };
     }
 }