Convert Pass()→std::move() in sync/

sync/syncable/directory_backing_store.cc

 // Copyright 2012 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/syncable/directory_backing_store.h"
 
 #include <limits>
 
 #include "base/base64.h"
 #include "base/logging.h"
@@ skipping 152 matching lines @@
 
   // Sanity check on positions.  We risk strange and rare crashes if our
   // assumptions about unique position values are broken.
   if (kernel->ShouldMaintainPosition() &&
       !kernel->ref(UNIQUE_POSITION).IsValid()) {
     DVLOG(1) << "Unpacked invalid position on an entity that should have a "
              << "valid position.  Assuming the DB is corrupt.";
     return scoped_ptr<EntryKernel>();
   }
 
-  return kernel.Pass();
+  return kernel;
 }
 
 namespace {
 
 // This just has to be big enough to hold an UPDATE or INSERT statement that
 // modifies all the columns in the entry table.
 static const string::size_type kUpdateStatementBufferSize = 2048;
 
 void OnSqliteError(const base::Closure& catastrophic_error_handler,
                    int err,
@@ skipping 1557 matching lines @@
   DCHECK(CalledOnValidThread());
   DCHECK(!catastrophic_error_handler.is_null());
   catastrophic_error_handler_ = catastrophic_error_handler;
   sql::Connection::ErrorCallback error_callback =
       base::Bind(&OnSqliteError, catastrophic_error_handler_);
   db_->set_error_callback(error_callback);
 }
 
 }  // namespace syncable
 }  // namespace syncer