DevTools: Show not found message in FilteredListWidgets

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

Index: third_party/WebKit/Source/devtools/front_end/quick_open/CommandMenu.js
diff --git a/third_party/WebKit/Source/devtools/front_end/quick_open/CommandMenu.js b/third_party/WebKit/Source/devtools/front_end/quick_open/CommandMenu.js
index 7a48ee5da8324c55c93cf04150317eb1cfbc254e..16d03cc23fa6333d21ca67d8b67de716dc357d8c 100644
--- a/third_party/WebKit/Source/devtools/front_end/quick_open/CommandMenu.js
+++ b/third_party/WebKit/Source/devtools/front_end/quick_open/CommandMenu.js
@@ -250,6 +250,14 @@ QuickOpen.CommandMenuDelegate = class extends QuickOpen.FilteredListWidget.Deleg
   renderMonospace() {
     return false;
   }
+
+  /**
+   * @override
+   * @return {string}
+   */
+  notFoundText() {
+    return Common.UIString('No commands found');
+  }
 };
 
 QuickOpen.CommandMenuDelegate.MaterialPaletteColors = [