Convert Pass()→std::move() in sync/

sync/internal_api/attachments/on_disk_attachment_store_unittest.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 "sync/internal_api/public/attachments/on_disk_attachment_store.h"
 
 #include <stdint.h>
-
 #include <string>
+#include <utility>
 
 #include "base/files/file_path.h"
 #include "base/files/file_util.h"
 #include "base/files/scoped_temp_dir.h"
 #include "base/message_loop/message_loop.h"
 #include "base/run_loop.h"
 #include "base/thread_task_runner_handle.h"
 #include "base/time/time.h"
 #include "sync/internal_api/attachments/attachment_store_test_template.h"
 #include "sync/internal_api/attachments/proto/attachment_store.pb.h"
@@ skipping 72 matching lines @@
     CopyResult(destination_result, source_result);
     *destination_failed_attachment_ids = *source_failed_attachment_ids;
   }
 
   void CopyResultMetadata(
       AttachmentStore::Result* destination_result,
       scoped_ptr<AttachmentMetadataList>* destination_metadata,
       const AttachmentStore::Result& source_result,
       scoped_ptr<AttachmentMetadataList> source_metadata) {
     CopyResult(destination_result, source_result);
-    *destination_metadata = source_metadata.Pass();
+    *destination_metadata = std::move(source_metadata);
   }
 
   scoped_ptr<leveldb::DB> OpenLevelDB() {
     leveldb::DB* db;
     leveldb::Options options;
     options.create_if_missing = true;
     leveldb::Status s =
         leveldb::DB::Open(options, db_path_.AsUTF8Unsafe(), &db);
     EXPECT_TRUE(s.ok());
     return make_scoped_ptr(db);
@@ skipping 400 matching lines @@
   store_->ReadMetadata(
       base::Bind(&OnDiskAttachmentStoreSpecificTest::CopyResultMetadata,
                  base::Unretained(this), &metadata_result, &metadata_list));
   RunLoop();
   EXPECT_EQ(AttachmentStore::SUCCESS, create_result);
   EXPECT_EQ(AttachmentStore::UNSPECIFIED_ERROR, metadata_result);
   EXPECT_EQ(2U, metadata_list->size());
 }
 
 }  // namespace syncer