[DevTools]: Require explicit connection

third_party/WebKit/Source/devtools/front_end/sources/UIList.js

 /*
  * Copyright (C) 2008 Apple Inc. All Rights Reserved.
  * Copyright (C) 2013 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:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
@@ skipping 71 matching lines @@
  * @param {boolean=} isLabel
  */
 WebInspector.UIList.Item = function(title, subtitle, isLabel)
 {
     this.element = createElementWithClass("div", "list-item");
     if (isLabel)
         this.element.classList.add("label");
 
     this.titleElement = this.element.createChild("div", "title");
     this.subtitleElement = this.element.createChild("div", "subtitle");
+    /** @type {?Element} */
+    this.actionElement = null;

[dgozman, 2016/10/28 18:31:36]

_actionElement

[eostroukhov, 2016/11/01 20:28:15]

Done.

 
     this._hidden = false;
     this._isLabel = !!isLabel;
     this.setTitle(title);
     this.setSubtitle(subtitle);
     this.setSelected(false);
 };
 
 WebInspector.UIList.Item.prototype = {
     /**
@@ skipping 110 matching lines @@
     isLabel: function()
     {
         return this._isLabel;
     },
 
     /**
      * @param {boolean} x
      */
     setDimmed: function(x)
     {
-        this.element.classList.toggle("dimmed", x);
+        this.element.classList.toggle("dimmed-item", x);
     },
 
     discard: function()
     {
     },
 
     /**
      * @param {boolean} hoverable
      */
     setHoverable: function(hoverable)
     {
         this.element.classList.toggle("ignore-hover", !hoverable);
     },
+
+    /**
+     * @param {?string} title
+     * @param {?function(!Event)} handler
+     */
+    setAction: function(title, handler)
+    {
+        if (this.actionElement)
+            this.actionElement.remove();
+        if (!title || !handler)
+            return;
+        this.actionElement = this.element.createChild("div", "action");
+        var link = this.actionElement.createChild("a", "action-link");
+        link.textContent = title;
+        link.addEventListener("click", (event) => {
+            link.disabled = true;
+            Promise.resolve(handler(event)).then(() => link.disabled = false);
+            event.stopPropagation();
+        });
+    },
 };