Revert of [Sync] Move //components/sync to the syncer namespace. (patchset #5 id:40001 of https://co

components/sync/driver/sync_service_observer.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 COMPONENTS_SYNC_DRIVER_SYNC_SERVICE_OBSERVER_H_
 #define COMPONENTS_SYNC_DRIVER_SYNC_SERVICE_OBSERVER_H_
 
-namespace syncer {
+namespace sync_driver {
 
 // Various UI components such as the New Tab page can be driven by observing
 // the SyncService through this interface.
 class SyncServiceObserver {
  public:
   // When one of the following events occurs, OnStateChanged() is called.
   // Observers should query the service to determine what happened.
   // - We initialized successfully.
   // - The sync servers are unavailable at this time.
   // - Credentials are now in flight for authentication.
@@ skipping 11 matching lines @@
   // process.
   virtual void OnSyncConfigurationCompleted() {}
 
   // Called when a foreign session has been updated.
   virtual void OnForeignSessionUpdated() {}
 
  protected:
   virtual ~SyncServiceObserver() {}
 };
 
-}  // namespace syncer
+}  // namespace sync_driver
 
 #endif  // COMPONENTS_SYNC_DRIVER_SYNC_SERVICE_OBSERVER_H_