Prevent SHChangeNotify on app list drag on Windows.

chrome/browser/ui/web_applications/web_app_ui.cc

Index: chrome/browser/ui/web_applications/web_app_ui.cc
diff --git a/chrome/browser/ui/web_applications/web_app_ui.cc b/chrome/browser/ui/web_applications/web_app_ui.cc
index 8a5bf2a0df6f0376e676cc1fe238247f83af9dca..04ab5ac7f8f7c6972f4370de60d41ea774511e2b 100644
--- a/chrome/browser/ui/web_applications/web_app_ui.cc
+++ b/chrome/browser/ui/web_applications/web_app_ui.cc
@@ -291,8 +291,8 @@ void UpdateShortcutWorker::UpdateShortcutsOnFileThread() {
     return;
   }
 
-  base::FilePath icon_file = web_app_path.Append(file_name_).ReplaceExtension(
-      FILE_PATH_LITERAL(".ico"));
+  base::FilePath icon_file =
+      web_app::internals::GetIconFilePath(web_app_path, shortcut_info_.title);
   web_app::internals::CheckAndSaveIcon(icon_file, shortcut_info_.favicon);
 
   // Update existing shortcuts' description, icon and app id.