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

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

Index: third_party/WebKit/Source/devtools/front_end/ui/SuggestBox.js
diff --git a/third_party/WebKit/Source/devtools/front_end/ui/SuggestBox.js b/third_party/WebKit/Source/devtools/front_end/ui/SuggestBox.js
index 03e0c1240095d15a2b3bcd234324ee8a01de71bc..7c3badc2434caeae165592f78b2afdda5d78e499 100644
--- a/third_party/WebKit/Source/devtools/front_end/ui/SuggestBox.js
+++ b/third_party/WebKit/Source/devtools/front_end/ui/SuggestBox.js
@@ -66,8 +66,10 @@ UI.SuggestBox = class {
     /** @type {?string} */
     this._onlyCompletion = null;
 
+    /** @type {!UI.ListModel<!UI.SuggestBox.Suggestion>} */
+    this._items = new UI.ListModel();
     /** @type {!UI.ListControl<!UI.SuggestBox.Suggestion>} */
-    this._list = new UI.ListControl(this, UI.ListMode.EqualHeightItems);
+    this._list = new UI.ListControl(this._items, this, UI.ListMode.EqualHeightItems);
     this._element = this._list.element;
     this._element.classList.add('suggest-box');
     this._element.addEventListener('mousedown', event => event.preventDefault(), true);
@@ -316,7 +318,7 @@ UI.SuggestBox = class {
       this._updateMaxSize(completions);
       this._glassPane.setContentAnchorBox(anchorBox);
       this._list.invalidateItemHeight();
-      this._list.replaceAllItems(completions);
+      this._items.replaceAllItems(completions);
 
       if (selectHighestPriority) {
         var highestPriorityItem = completions[0];