Convert Pass()→std::move() in sync/

sync/internal_api/attachments/attachment_store_frontend_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/attachment_store_frontend.h"
 
+#include <utility>
+
 #include "base/bind.h"
 #include "base/callback.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/message_loop/message_loop.h"
 #include "base/run_loop.h"
 #include "base/thread_task_runner_handle.h"
 #include "sync/api/attachments/attachment.h"
 #include "sync/api/attachments/attachment_id.h"
 #include "sync/api/attachments/attachment_store_backend.h"
@@ skipping 101 matching lines @@
                    base::Unretained(this)),
         base::Bind(&AttachmentStoreFrontendTest::DropReferenceCalled,
                    base::Unretained(this)),
         base::Bind(&AttachmentStoreFrontendTest::ReadMetadataByIdCalled,
                    base::Unretained(this)),
         base::Bind(&AttachmentStoreFrontendTest::ReadMetadataCalled,
                    base::Unretained(this)),
         base::Bind(&AttachmentStoreFrontendTest::DtorCalled,
                    base::Unretained(this))));
     attachment_store_frontend_ = new AttachmentStoreFrontend(
-        backend.Pass(), base::ThreadTaskRunnerHandle::Get());
+        std::move(backend), base::ThreadTaskRunnerHandle::Get());
   }
 
   static void DoneWithResult(const AttachmentStore::Result& result) {
     NOTREACHED();
   }
 
   static void ReadDone(const AttachmentStore::Result& result,
                        scoped_ptr<AttachmentMap> attachments,
                        scoped_ptr<AttachmentIdList> unavailable_attachments) {
     NOTREACHED();
@@ skipping 87 matching lines @@
 
   // Releasing referehce to AttachmentStoreFrontend should result in
   // MockAttachmentStore being deleted on backend loop.
   attachment_store_frontend_ = NULL;
   EXPECT_EQ(dtor_call_count_, 0);
   RunMessageLoop();
   EXPECT_EQ(dtor_call_count_, 1);
 }
 
 }  // namespace syncer