[DevTools] Introduce Common.List used as a backend for list controls

third_party/WebKit/Source/devtools/front_end/quick_open/FilteredListWidget.js

Index: third_party/WebKit/Source/devtools/front_end/quick_open/FilteredListWidget.js
diff --git a/third_party/WebKit/Source/devtools/front_end/quick_open/FilteredListWidget.js b/third_party/WebKit/Source/devtools/front_end/quick_open/FilteredListWidget.js
index 86152f7fd21913b9578618009deadef49a819e01..e7deb52c65e67427d3c280b614b22274fb74b0e0 100644
--- a/third_party/WebKit/Source/devtools/front_end/quick_open/FilteredListWidget.js
+++ b/third_party/WebKit/Source/devtools/front_end/quick_open/FilteredListWidget.js
@@ -34,8 +34,10 @@ QuickOpen.FilteredListWidget = class extends UI.VBox {
     this._progressElement = this._bottomElementsContainer.createChild('div', 'filtered-list-widget-progress');
     this._progressBarElement = this._progressElement.createChild('div', 'filtered-list-widget-progress-bar');
 
+    /** @type {!UI.ListModel<number>} */
+    this._items = new UI.ListModel();
     /** @type {!UI.ListControl<number>} */
-    this._list = new UI.ListControl(this, UI.ListMode.EqualHeightItems);
+    this._list = new UI.ListControl(this._items, this, UI.ListMode.EqualHeightItems);
     this._itemElementsContainer = this._list.element;
     this._itemElementsContainer.classList.add('container');
     this._bottomElementsContainer.appendChild(this._itemElementsContainer);
@@ -150,7 +152,7 @@ QuickOpen.FilteredListWidget = class extends UI.VBox {
   }
 
   _attachProvider() {
-    this._list.replaceAllItems([]);
+    this._items.replaceAllItems([]);
     this._list.invalidateItemHeight();
     if (this._provider) {
       this._provider.setRefreshCallback(this._itemsLoaded.bind(this, this._provider));
@@ -433,7 +435,7 @@ QuickOpen.FilteredListWidget = class extends UI.VBox {
     filteredItems = [].concat(bestItems, overflowItems, filteredItems);
     this._updateNotFoundMessage(!!filteredItems.length);
     var oldHeight = this._list.element.offsetHeight;
-    this._list.replaceAllItems(filteredItems);
+    this._items.replaceAllItems(filteredItems);
     if (filteredItems.length)
       this._list.selectItem(filteredItems[0]);
     if (this._list.element.offsetHeight !== oldHeight)