sync: Move NonBlockingTypeProcessor to sync/engine

sync/internal_api/public/non_blocking_type_processor.h

Index: sync/internal_api/public/non_blocking_type_processor.h
diff --git a/sync/internal_api/public/non_blocking_type_processor.h b/sync/internal_api/public/non_blocking_type_processor.h
deleted file mode 100644
index 2db2c326146be778bc64ba9d132d1b57bb19c5f1..0000000000000000000000000000000000000000
--- a/sync/internal_api/public/non_blocking_type_processor.h
+++ /dev/null
@@ -1,94 +0,0 @@
-// 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_NON_BLOCKING_TYPE_PROCESSOR_H_
-#define SYNC_ENGINE_NON_BLOCKING_TYPE_PROCESSOR_H_
-
-#include "base/memory/weak_ptr.h"
-#include "base/sequenced_task_runner.h"
-#include "base/threading/non_thread_safe.h"
-#include "sync/base/sync_export.h"
-#include "sync/internal_api/public/base/model_type.h"
-#include "sync/protocol/sync.pb.h"
-
-namespace syncer {
-
-class SyncCoreProxy;
-class NonBlockingTypeProcessorCore;
-
-// A sync component embedded on the synced type's thread that helps to handle
-// communication between sync and model type threads.
-class SYNC_EXPORT_PRIVATE NonBlockingTypeProcessor : base::NonThreadSafe {
- public:
-  NonBlockingTypeProcessor(ModelType type);
-  virtual ~NonBlockingTypeProcessor();
-
-  // Returns true if this object believes that sync is preferred for this type.
-  //
-  // By "preferred", we mean that a policy decision has been made that this
-  // type should be synced.  Most of the time this is controlled by a user
-  // clicking a checkbox on the settings page.
-  //
-  // The canonical preferred state is based on SyncPrefs on the UI thread.  At
-  // best, this value is stale and may lag behind the one set on the UI thread.
-  // Before this type has registered with the UI thread, it's mostly just an
-  // informed guess.
-  bool IsPreferred() const;
-
-  // Returns true if the handshake with sync thread is complete.
-  bool IsConnected() const;
-
-  // Returns the model type handled by this processor.
-  ModelType GetModelType() const;
-
-  // Starts the handshake with the sync thread.
-  void Enable(scoped_ptr<SyncCoreProxy> core_proxy);
-
-  // Severs all ties to the sync thread and may delete local sync state.
-  // Another call to Enable() can be used to re-establish this connection.
-  void Disable();
-
-  // Severs all ties to the sync thread.
-  // Another call to Enable() can be used to re-establish this connection.
-  void Disconnect();
-
-  // Callback used to process the handshake response.
-  void OnConnect(base::WeakPtr<NonBlockingTypeProcessorCore> core,
-                 scoped_refptr<base::SequencedTaskRunner> sync_thread);
-
-  // Returns the long-lived WeakPtr that is intended to be registered with the
-  // ProfileSyncService.
-  base::WeakPtr<NonBlockingTypeProcessor> AsWeakPtrForUI();
-
- private:
-  ModelType type_;
-  sync_pb::DataTypeProgressMarker progress_marker_;
-
-  // Whether or not sync is preferred for this type.  This is a cached copy of
-  // the canonical copy information on the UI thread.
-  bool is_preferred_;
-
-  // Whether or not this object has completed its initial handshake with the
-  // SyncCoreProxy.
-  bool is_connected_;
-
-  // Our link to data type management on the sync thread.
-  // Used for enabling and disabling sync for this type.
-  scoped_ptr<SyncCoreProxy> sync_core_proxy_;
-
-  base::WeakPtr<NonBlockingTypeProcessorCore> core_;
-  scoped_refptr<base::SequencedTaskRunner> sync_thread_;
-
-  // We use two different WeakPtrFactories because we want the pointers they
-  // issue to have different lifetimes.  When asked to disconnect from the sync
-  // thread, we want to make sure that no tasks generated as part of the
-  // now-obsolete connection to affect us.  But we also want the WeakPtr we
-  // sent to the UI thread to remain valid.
-  base::WeakPtrFactory<NonBlockingTypeProcessor> weak_ptr_factory_for_ui_;
-  base::WeakPtrFactory<NonBlockingTypeProcessor> weak_ptr_factory_for_sync_;
-};
-
-}  // namespace syncer
-
-#endif  // SYNC_ENGINE_NON_BLOCKING_TYPE_PROCESSOR_H_