[DevTools] Restore tree selection after reload

third_party/WebKit/Source/devtools/front_end/resources/CookieItemsView.js

 /*
  * Copyright (C) 2009 Apple Inc.  All rights reserved.
  * 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
  *     notice, this list of conditions and the following disclaimer.
@@ skipping 25 matching lines @@
     super(Common.UIString('Cookies'), 'cookiesPanel');
 
     this.element.classList.add('storage-view');
 
     this._model = model;
     this._cookieDomain = cookieDomain;
 
     this._totalSize = 0;
     /** @type {?CookieTable.CookiesTable} */
     this._cookiesTable = null;
+    this._refreshThrottler = new Common.Throttler(300);
+    /** @type {!Array<!Common.EventTarget.EventDescriptor>} */
+    this._eventDescriptors = [];
     this.setCookiesDomain(model, cookieDomain);
   }
 
   /**
    * @param {!SDK.CookieModel} model
    * @param {string} domain
    */
   setCookiesDomain(model, domain) {
     this._model = model;
     this._cookieDomain = domain;
     this.refreshItems();
+    Common.EventTarget.removeEventListeners(this._eventDescriptors);
+    var networkManager = model.target().model(SDK.NetworkManager);
+    this._eventDescriptors =
+        [networkManager.addEventListener(SDK.NetworkManager.Events.ResponseReceived, () => this._onResponseRecieved())];

[dgozman, 2017/05/11 23:08:41]

Ain't this an unrelated change?

[eostroukhov, 2017/05/12 19:36:36]

It just becomes immediately obvious if we are restoring the selection. If this
fix is not there, then restored selection shows empty cookies view.

   }
 
   /**
    * @param {!SDK.Cookie} newCookie
    * @param {?SDK.Cookie} oldCookie
    * @param {function(?string)} callback
    */
   _saveCookie(newCookie, oldCookie, callback) {
     if (!this._model) {
       callback(Common.UIString('Unable to save the cookie'));
@@ skipping 53 matching lines @@
     if (selectedCookie)
       this._model.deleteCookie(selectedCookie, () => this.refreshItems());
   }
 
   /**
    * @override
    */
   refreshItems() {
     this._model.getCookiesForDomain(this._cookieDomain, cookies => this._updateWithCookies(cookies));
   }
+
+  _onResponseRecieved() {
+    this._refreshThrottler.schedule(() => Promise.resolve(this.refreshItems()));
+  }
 };