DevTools: Remember the last focused widget.

third_party/WebKit/Source/devtools/front_end/ui/UIUtils.js

 /*
  * Copyright (C) 2011 Google Inc.  All rights reserved.
  * Copyright (C) 2006, 2007, 2008 Apple Inc.  All rights reserved.
  * Copyright (C) 2007 Matt Lilek (pewtermoose@gmail.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:
  *
@@ skipping 795 matching lines @@
 {
     return WebInspector._currentFocusElement;
 }
 
 /**
  * @param {!Event} event
  */
 WebInspector._focusChanged = function(event)
 {
     var node = event.deepActiveElement();
+    if (WebInspector._currentFocusElement !== node)
+        WebInspector.Widget.focusWidgetForNode(node);
     WebInspector.setCurrentFocusElement(node);
 }
 
 /**
  * @param {!Document} document
  * @param {!Event} event
  */
 WebInspector._documentBlurred = function(document, event)
 {
     // We want to know when currentFocusElement loses focus to nowhere.
@@ skipping 36 matching lines @@
         // The code below should not be applied to text fields and text areas, hence _isTextEditingElement check.
         var selection = x.getComponentSelection();
         if (!WebInspector._isTextEditingElement(x) && selection.isCollapsed && !x.isInsertionCaretInside()) {
             var selectionRange = x.ownerDocument.createRange();
             selectionRange.setStart(x, 0);
             selectionRange.setEnd(x, 0);
 
             selection.removeAllRanges();
             selection.addRange(selectionRange);
         }
+

[dgozman, 2016/09/12 16:50:21]

stray blank line

[einbinder, 2016/09/12 18:18:54]

Done.

     } else if (WebInspector._previousFocusElement)
         WebInspector._previousFocusElement.blur();
 }
 
 WebInspector.restoreFocusFromElement = function(element)
 {
     if (element && element.isSelfOrAncestor(WebInspector.currentFocusElement()))
         WebInspector.setCurrentFocusElement(WebInspector.previousFocusElement());
 }
 
@@ skipping 1129 matching lines @@
  * @param {string} title
  * @return {!Element}
  */
 WebInspector.linkifyDocumentationURLAsNode = function(article, title)
 {
     return WebInspector.linkifyURLAsNode("https://developers.google.com/web/tools/chrome-devtools/" + article, title, undefined, true);
 }
 
 /** @type {!WebInspector.ThemeSupport} */
 WebInspector.themeSupport;