A follow-up nit fix for jumplist file operations

base/files/file_util_posix.cc

Index: base/files/file_util_posix.cc
diff --git a/base/files/file_util_posix.cc b/base/files/file_util_posix.cc
index a8db2599c642ff920e87533f0bcb6566a7253168..34a1c4d1e6e2481a953ad2fac5d30ddb124ca3cd 100644
--- a/base/files/file_util_posix.cc
+++ b/base/files/file_util_posix.cc
@@ -276,11 +276,8 @@ bool CopyDirectory(const FilePath& from_path,
   FilePath real_from_path = MakeAbsoluteFilePath(from_path);
   if (real_from_path.empty())
     return false;
-  if (real_to_path.value().size() >= real_from_path.value().size() &&
-      real_to_path.value().compare(0, real_from_path.value().size(),
-                                   real_from_path.value()) == 0) {
+  if (real_to_path == real_from_path || real_from_path.IsParent(real_to_path))
     return false;
-  }
 
   int traverse_type = FileEnumerator::FILES | FileEnumerator::SHOW_SYM_LINKS;
   if (recursive)