DevTools: migrate UI.ListWidget icons over to UI.Icon

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

Index: third_party/WebKit/Source/devtools/front_end/ui/ListWidget.js
diff --git a/third_party/WebKit/Source/devtools/front_end/ui/ListWidget.js b/third_party/WebKit/Source/devtools/front_end/ui/ListWidget.js
index 0832723a1696e0faadb7e1c81456b6909001c854..8593e998edf78f90e4d028e5e5e5dd160edfb908 100644
--- a/third_party/WebKit/Source/devtools/front_end/ui/ListWidget.js
+++ b/third_party/WebKit/Source/devtools/front_end/ui/ListWidget.js
@@ -117,11 +117,13 @@ UI.ListWidget = class extends UI.VBox {
     controls.createChild('div', 'controls-gradient');
     var buttons = controls.createChild('div', 'controls-buttons');
 
-    var editButton = buttons.createChild('div', 'edit-button');
+    var editButton = UI.Icon.create('largeicon-edit', 'edit-button');
+    buttons.appendChild(editButton);
     editButton.title = Common.UIString('Edit');
     editButton.addEventListener('click', onEditClicked.bind(this), false);
 
-    var removeButton = buttons.createChild('div', 'remove-button');
+    var removeButton = UI.Icon.create('largeicon-trash-bin', 'remove-button');
+    buttons.appendChild(removeButton);
     removeButton.title = Common.UIString('Remove');
     removeButton.addEventListener('click', onRemoveClicked.bind(this), false);