DevTools: only allow status bar items in status bars.

Source/devtools/front_end/profiler/HeapSnapshotView.js

 /*
  * Copyright (C) 2011 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 505 matching lines @@
 
     _onIdsRangeChanged: function(event)
     {
         var minId = event.data.minId;
         var maxId = event.data.maxId;
         this._selectedSizeText.setText(WebInspector.UIString("Selected size: %s", Number.bytesToString(event.data.size)));
         if (this._constructorsDataGrid.snapshot)
             this._constructorsDataGrid.setSelectionRange(minId, maxId);
     },
 
-    get statusBarItems()
+    /**
+     * @return {!Array.<!WebInspector.StatusBarItem>}
+     */
+    statusBarItems: function()
     {
-        var result = [this._perspectiveSelect.element, this._classNameFilter.element];
+        var result = [this._perspectiveSelect, this._classNameFilter];
         if (this._profile.profileType() !== WebInspector.ProfileTypeRegistry.instance.trackingHeapSnapshotProfileType)
-            result.push(this._baseSelect.element, this._filterSelect.element);
-        result.push(this._selectedSizeText.element);
+            result.push(this._baseSelect, this._filterSelect);
+        result.push(this._selectedSizeText);
         return result;
     },
 
     wasShown: function()
     {
         // FIXME: load base and current snapshots in parallel
         this._profile.load(profileCallback.bind(this));
 
         /**
          * @this {WebInspector.HeapSnapshotView}
@@ skipping 1662 matching lines @@
             name.textContent = frame.functionName;
             if (frame.scriptId) {
                 var urlElement = this._linkifier.linkifyScriptLocation(this._target, String(frame.scriptId), frame.scriptName, frame.line - 1, frame.column - 1);
                 frameDiv.appendChild(urlElement);
             }
         }
     },
 
     __proto__: WebInspector.View.prototype
 }