Fix object ownership in ui/base/models.

components/bookmarks/browser/bookmark_storage.cc

 // Copyright 2014 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.
 
 #include "components/bookmarks/browser/bookmark_storage.h"
 
 #include <stddef.h>
 #include <algorithm>
 #include <utility>
 
@@ skipping 83 matching lines @@
       break;
     }
   }
 
   if (load_index) {
     TimeTicks start_time = TimeTicks::Now();
     AddBookmarksToIndex(details.get(), details->bb_node());
     AddBookmarksToIndex(details.get(), details->other_folder_node());
     AddBookmarksToIndex(details.get(), details->mobile_folder_node());
     for (size_t i = 0; i < extra_nodes.size(); ++i)
-      AddBookmarksToIndex(details.get(), extra_nodes[i]);
+      AddBookmarksToIndex(details.get(), extra_nodes[i].get());
     UMA_HISTOGRAM_TIMES("Bookmarks.CreateBookmarkIndexTime",
                         TimeTicks::Now() - start_time);
   }
 
   task_runner->PostTask(FROM_HERE,
                         base::Bind(&BookmarkStorage::OnLoadFinished, storage,
                                    base::Passed(&details)));
 }
 
 }  // namespace
@@ skipping 110 matching lines @@
   }
 
   std::unique_ptr<std::string> data(new std::string);
   if (!SerializeData(data.get()))
     return false;
   writer_.WriteNow(std::move(data));
   return true;
 }
 
 }  // namespace bookmarks