[Sync] rename USS processor / worker interfaces

sync/engine/entity_tracker.h

 // 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.
 
 #ifndef SYNC_ENGINE_ENTITY_TRACKER_H_
 #define SYNC_ENGINE_ENTITY_TRACKER_H_
 
 #include <string>
 
 #include "base/basictypes.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/time/time.h"
 #include "sync/base/sync_export.h"
 #include "sync/protocol/sync.pb.h"
 
 namespace syncer_v2 {
 struct UpdateResponseData;
 
 // Manages the pending commit and update state for an entity on the sync
 // thread.
 //
 // It should be considered a helper class internal to the
-// ModelTypeSyncWorker.
+// CommitQueue.

[stanisc, 2015/08/31 17:42:19]

Internal to ModelTypeWorker

[Gang Wu, 2015/08/31 22:38:06]

Done.

 //
 // Maintains the state associated with a particular sync entity which is
 // necessary for decision-making on the sync thread.  It can track pending
 // commit state, received update state, and can detect conflicts.
 //
 // This object may or may not contain state associated with a pending commit.
 // If no commit is pending, the |is_commit_pending_| flag will be set to false
 // and many of this object's fields will be cleared.
 class SYNC_EXPORT EntityTracker {
  public:
@@ skipping 133 matching lines @@
   // an pending update prevents commits.  As of this writing, the only source
   // of pending updates is updates we can't decrypt right now.
   scoped_ptr<UpdateResponseData> pending_update_;
 
   DISALLOW_COPY_AND_ASSIGN(EntityTracker);
 };
 
 }  // namespace syncer
 
 #endif  // SYNC_ENGINE_ENTITY_TRACKER_H_