DevTools: Remember the last focused widget.

third_party/WebKit/Source/devtools/front_end/profiler/ProfileView.js

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 /**
  * @constructor
  * @implements {WebInspector.Searchable}
  * @extends {WebInspector.SimpleView}
  * @param {!WebInspector.ProfileDataGridNode.Formatter} nodeFormatter
  * @param {!Array<string>=} viewTypes
@@ skipping 57 matching lines @@
 /** @enum {string} */
 WebInspector.ProfileView.ViewTypes = {
     Flame: "Flame",
     Tree: "Tree",
     Heavy: "Heavy"
 }
 
 WebInspector.ProfileView.prototype = {
     focus: function()
     {
-        if (this._flameChart)
+        if (this._flameChart) {
             this._flameChart.focus();
+            this.wasFocused();
+        }
         else
             WebInspector.Widget.prototype.focus.call(this);
     },
 
     /**
      * @param {string} columnId
      * @return {string}
      */
     columnHeader: function(columnId)
     {
@@ skipping 494 matching lines @@
     _notifyTempFileReady: function()
     {
         if (this._onTempFileReady) {
             this._onTempFileReady();
             this._onTempFileReady = null;
         }
     },
 
     __proto__: WebInspector.ProfileHeader.prototype
 }