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

components/sync/engine_impl/syncer.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_ENGINE_IMPL_SYNCER_H_
 #define COMPONENTS_SYNC_ENGINE_IMPL_SYNCER_H_
 
 #include <stdint.h>
 
 #include <utility>
@@ skipping 106 matching lines @@
   // abort any blocking operations.
   SyncerError BuildAndPostCommits(ModelTypeSet request_types,
                                   NudgeTracker* nudge_tracker,
                                   SyncCycle* cycle,
                                   CommitProcessor* commit_processor);
 
   void HandleCycleBegin(SyncCycle* cycle);
   bool HandleCycleEnd(SyncCycle* cycle,
                       sync_pb::GetUpdatesCallerInfo::GetUpdatesSource source);
 
-  CancelationSignal* const cancelation_signal_;
+  syncer::CancelationSignal* const cancelation_signal_;
 
   // Whether the syncer is in the middle of a sync attempt.
   bool is_syncing_;
 
   DISALLOW_COPY_AND_ASSIGN(Syncer);
 };
 
 }  // namespace syncer
 
 #endif  // COMPONENTS_SYNC_ENGINE_IMPL_SYNCER_H_