Fix randomly disappearing icons in app list recent view.

chrome/browser/ui/app_list/search/extension_app_result.h

Index: chrome/browser/ui/app_list/search/extension_app_result.h
diff --git a/chrome/browser/ui/app_list/search/extension_app_result.h b/chrome/browser/ui/app_list/search/extension_app_result.h
index bd8a35ff6fac3938363b1c2f8d8e5369034a7fcf..9ac312a71df0d9f9c4d7ebf124a3f7d57c313119 100644
--- a/chrome/browser/ui/app_list/search/extension_app_result.h
+++ b/chrome/browser/ui/app_list/search/extension_app_result.h
@@ -51,6 +51,10 @@ class ExtensionAppResult : public AppResult,
   // running.
   bool RunExtensionEnableFlow();
 
+  // Creates new icon in case icon does not exist or previous icon was
+  // invalidated.
+  void CreateOrUpdateIcon();
+
   // Updates the app item's icon, if necessary making it gray.
   void UpdateIcon();