[Sync] Move //sync to //components/sync.

sync/test/sessions/test_scoped_session_event_listener.h

-// Copyright (c) 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.
-
-#ifndef SYNC_TEST_SESSIONS_TEST_SCOPED_SESSION_EVENT_LISTENER_H_
-#define SYNC_TEST_SESSIONS_TEST_SCOPED_SESSION_EVENT_LISTENER_H_
-
-#include "base/macros.h"
-#include "sync/sessions/sync_session_context.h"
-
-namespace syncer {
-namespace sessions {
-
-// Installs a SyncEventListener to a given session context for the lifetime of
-// the TestScopedSessionEventListener.
-class TestScopedSessionEventListener {
- public:
-  TestScopedSessionEventListener(
-      SyncSessionContext* context,
-      SyncEngineEventListener* listener)
-    : context_(context), listener_(listener) {
-      context->listeners_.AddObserver(listener);
-  }
-  ~TestScopedSessionEventListener() {
-    context_->listeners_.RemoveObserver(listener_);
-  }
- private:
-  SyncSessionContext* context_;
-  SyncEngineEventListener* listener_;
-  DISALLOW_COPY_AND_ASSIGN(TestScopedSessionEventListener);
-};
-
-}  // namespace sessions
-}  // namespace syncer
-
-#endif  // SYNC_TEST_SESSIONS_TEST_SCOPED_SESSION_EVENT_LISTENER_H_