DevTools: Remember the last focused widget.

third_party/WebKit/Source/devtools/front_end/ui/TabbedPane.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 127 matching lines @@
     /**
      * @param {boolean} closeableTabs
      */
     setCloseableTabs: function(closeableTabs)
     {
         this._closeableTabs = closeableTabs;
     },
 
     focus: function()
     {
-        if (this.visibleView)
+        if (this.visibleView) {
             this.visibleView.focus();
-        else
+        } else {
             this.contentElement.focus();
+            this.wasFocused();
+        }
     },
 
     /**
      * @return {!Element}
      */
     headerElement: function()
     {
         return this._headerElement;
     },
 
@@ skipping 1078 matching lines @@
      * @param {!Array.<string>} ids
      */
     closeTabs: function(tabbedPane, ids) { },
 
     /**
      * @param {string} tabId
      * @param {!WebInspector.ContextMenu} contextMenu
      */
     onContextMenu: function(tabId, contextMenu) { }
 }