drive: Make FileResource copyable

chrome/browser/sync_file_system/drive_backend/metadata_database_unittest.cc

 // Copyright 2013 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 "chrome/browser/sync_file_system/drive_backend/metadata_database.h"
 
 #include "base/bind.h"
 #include "base/files/scoped_temp_dir.h"
 #include "base/message_loop/message_loop.h"
 #include "base/message_loop/message_loop_proxy.h"
@@ skipping 358 matching lines @@
     TrackedFile folder;
     folder.metadata = CreateFolderMetadata(parent.metadata, title);
     folder.tracker = CreateTracker(parent.tracker, folder.metadata);
     return folder;
   }
 
   scoped_ptr<google_apis::FileResource> CreateFileResourceFromMetadata(
       const FileMetadata& file) {
     scoped_ptr<google_apis::FileResource> file_resource(
         new google_apis::FileResource);
-    ScopedVector<google_apis::ParentReference> parents;
     for (int i = 0; i < file.details().parent_folder_ids_size(); ++i) {
-      scoped_ptr<google_apis::ParentReference> parent(
-          new google_apis::ParentReference);
-      parent->set_file_id(file.details().parent_folder_ids(i));
-      parents.push_back(parent.release());
+      google_apis::ParentReference parent;
+      parent.set_file_id(file.details().parent_folder_ids(i));
+      file_resource->mutable_parents()->push_back(parent);
     }
 
     file_resource->set_file_id(file.file_id());
-    file_resource->set_parents(parents.Pass());
     file_resource->set_title(file.details().title());
     if (file.details().file_kind() == FILE_KIND_FOLDER)
       file_resource->set_mime_type("application/vnd.google-apps.folder");
     else if (file.details().file_kind() == FILE_KIND_FILE)
       file_resource->set_mime_type("text/plain");
     else
       file_resource->set_mime_type("application/vnd.google-apps.document");
     file_resource->set_md5_checksum(file.details().md5());
     file_resource->set_etag(file.details().etag());
     file_resource->set_created_date(base::Time::FromInternalValue(
@@ skipping 758 matching lines @@
   EXPECT_TRUE(file->HasKey("details"));
 
   ASSERT_TRUE(files->GetDictionary(1, &file));
   EXPECT_TRUE(file->GetString("title", &str) && str == "file_0");
   EXPECT_TRUE(file->GetString("type", &str) && str == "file");
   EXPECT_TRUE(file->HasKey("details"));
 }
 
 }  // namespace drive_backend
 }  // namespace sync_file_system