[Sync] Move BridgedSyncNotifier and ChromeSyncNotificationBridge to glue/

chrome/browser/sync/notifier/bridged_sync_notifier.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 CHROME_BROWSER_SYNC_NOTIFIER_BRIDGED_SYNC_NOTIFIER_H_
-#define CHROME_BROWSER_SYNC_NOTIFIER_BRIDGED_SYNC_NOTIFIER_H_
-
-#include "base/compiler_specific.h"
-#include "base/memory/scoped_ptr.h"
-#include "chrome/browser/sync/notifier/sync_notifier.h"
-
-namespace sync_notifier {
-
-class ChromeSyncNotificationBridge;
-
-// A SyncNotifier implementation that wraps a ChromeSyncNotificationBridge
-// and a SyncNotifier delegate (which it takes ownership of). All SyncNotifier
-// calls are passed straight through to the delegate, with the exception of
-// AddObserver/RemoveObserver, which also result in the observer being
-// registered/deregistered with the ChromeSyncNotificationBridge.
-class BridgedSyncNotifier : public SyncNotifier {
- public:
-  // Does not take ownership of |bridge|. Takes ownership of |delegate|.
-  BridgedSyncNotifier(ChromeSyncNotificationBridge* bridge,
-                      SyncNotifier* delegate);
-  virtual ~BridgedSyncNotifier();
-
-  // SyncNotifier implementation. Passes through all calls to the delegate.
-  // AddObserver/RemoveObserver will also register/deregister |observer| with
-  // the bridge.
-  virtual void AddObserver(SyncNotifierObserver* observer) OVERRIDE;
-  virtual void RemoveObserver(SyncNotifierObserver* observer) OVERRIDE;
-  virtual void SetUniqueId(const std::string& unique_id) OVERRIDE;
-  virtual void SetState(const std::string& state) OVERRIDE;
-  virtual void UpdateCredentials(
-      const std::string& email, const std::string& token) OVERRIDE;
-  virtual void UpdateEnabledTypes(
-      syncable::ModelTypeSet enabled_types) OVERRIDE;
-  virtual void SendNotification(
-      syncable::ModelTypeSet changed_types) OVERRIDE;
-
- private:
-  // The notification bridge that we register the observers with.
-  ChromeSyncNotificationBridge* bridge_;
-
-  // The delegate we are wrapping.
-  scoped_ptr<SyncNotifier> delegate_;
-};
-
-}  // namespace sync_notifier
-
-#endif  // CHROME_BROWSER_SYNC_NOTIFIER_BRIDGED_SYNC_NOTIFIER_H_