Convert Pass()→std::move() in //content/browser

content/browser/indexed_db/indexed_db_index_writer.cc

 // Copyright (c) 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 "content/browser/indexed_db/indexed_db_index_writer.h"
 
 #include <stddef.h>
+#include <utility>
 
 #include "base/logging.h"
 #include "base/strings/utf_string_conversions.h"
 #include "content/browser/indexed_db/indexed_db_backing_store.h"
 #include "content/browser/indexed_db/indexed_db_tracing.h"
 #include "content/browser/indexed_db/indexed_db_transaction.h"
 #include "content/common/indexed_db/indexed_db_key.h"
 #include "content/common/indexed_db/indexed_db_key_path.h"
 #include "content/common/indexed_db/indexed_db_key_range.h"
 
@@ skipping 137 matching lines @@
                                       object_store.id,
                                       index.id,
                                       &can_add_keys,
                                       primary_key,
                                       error_message);
     if (!backing_store_success)
       return false;
     if (!can_add_keys)
       return true;
 
-    index_writers->push_back(index_writer.Pass());
+    index_writers->push_back(std::move(index_writer));
   }
 
   *completed = true;
   return true;
 }
 
 }  // namespace content