[DevTools] Prepare UI module for closure compiler roll

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

 /*
  * 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:
  *
  *     * 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 49 matching lines @@
     this._selectedIndex = -1;
     this._selectedElement = null;
     this._maxItemsHeight = maxItemsHeight;
     this._maybeHideBound = this._maybeHide.bind(this);
     this._container = createElementWithClass("div", "suggest-box-container");
     this._element = this._container.createChild("div", "suggest-box");
     this._element.addEventListener("mousedown", this._onBoxMouseDown.bind(this), true);
     this._detailsPopup = this._container.createChild("div", "suggest-box details-popup monospace");
     this._detailsPopup.classList.add("hidden");
     this._asyncDetailsCallback = null;
-    this._asyncDetailsPromises = /** @type {!Map<number, !Promise>} */ ({});
+    /** @type {!Map<number, !Promise<{detail: string, description: string}>>} */
+    this._asyncDetailsPromises = new Map();
 }
 
 WebInspector.SuggestBox.prototype = {
     /**
      * @return {boolean}
      */
     visible: function()
     {
         return !!this._container.parentElement;
     },
@@ skipping 177 matching lines @@
     },
 
     /**
      * @param {!Array.<string>} items
      * @param {string} userEnteredText
      * @param {function(number): !Promise<{detail:string, description:string}>=} asyncDetails
      */
     _updateItems: function(items, userEnteredText, asyncDetails)
     {
         this._length = items.length;
-        this._asyncDetailsPromises = {};
+        this._asyncDetailsPromises.clear();
         this._asyncDetailsCallback = asyncDetails;
         this._element.removeChildren();
         delete this._selectedElement;
 
         for (var i = 0; i < items.length; ++i) {
             var item = items[i];
             var currentItemElement = this._createItemElement(userEnteredText, item, i);
             this._element.appendChild(currentItemElement);
         }
     },
 
     /**
      * @param {number} index
-     * @return {!Promise<({detail: string, description: string}|undefined)>}
+     * @return {!Promise<{detail: string, description: string}>|!Promise<undefined>}

[lushnikov, 2016/03/04 00:42:44]

use null instead

[kozy, 2016/03/04 00:50:11]

Done.

      */
     _asyncDetails: function(index)
     {
         if (!this._asyncDetailsCallback)
             return Promise.resolve();
-        if (!this._asyncDetailsPromises[index])
-            this._asyncDetailsPromises[index] = this._asyncDetailsCallback(index);
-        return this._asyncDetailsPromises[index];
+        if (!this._asyncDetailsPromises.has(index))
+            this._asyncDetailsPromises.set(index, this._asyncDetailsCallback(index));
+        return /** @type {!Promise<{detail: string, description: string}>} */(this._asyncDetailsPromises.get(index));
     },
 
     /**
      * @param {{detail: string, description: string}=} details
      */
     _showDetailsPopup: function(details)
     {
         this._detailsPopup.removeChildren();
         if (!details)
             return;
@@ skipping 211 matching lines @@
         this.element.style.top = containerBox.y + "px";
         this.element.style.height = containerBox.height + "px";
         this.element.style.width = containerBox.width + "px";
     },
 
     dispose: function()
     {
         this.element.remove();
     }
 }