Updated ownership of NavigationItems within CRWSessionController.

ios/web/public/navigation_item_list.mm

Index: ios/web/public/navigation_item_list.mm
diff --git a/ios/web/public/navigation_item_list.mm b/ios/web/public/navigation_item_list.mm
deleted file mode 100644
index 27a6ca74542a7dbacc16458acb5b1104178040ec..0000000000000000000000000000000000000000
--- a/ios/web/public/navigation_item_list.mm
+++ /dev/null
@@ -1,17 +0,0 @@
-// Copyright 2017 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#import "ios/web/public/navigation_item_list.h"
-
-namespace web {
-
-NavigationItemList CreateRawNavigationItemList(
-    const ScopedNavigationItemList& scoped_list) {
-  NavigationItemList list(scoped_list.size());
-  for (size_t index = 0; index < scoped_list.size(); ++index)
-    list[index] = scoped_list[index].get();
-  return list;
-}
-
-}  // namespace web