[Sync] Add SyncEncryptionHandler

sync/internal_api/js_sync_manager_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 SYNC_INTERNAL_API_JS_SYNC_MANAGER_OBSERVER_H_
 #define SYNC_INTERNAL_API_JS_SYNC_MANAGER_OBSERVER_H_
 
 #include <string>
 
 #include "base/basictypes.h"
@@ skipping 17 matching lines @@
   JsSyncManagerObserver();
   virtual ~JsSyncManagerObserver();
 
   void SetJsEventHandler(const WeakHandle<JsEventHandler>& event_handler);
 
   // SyncManager::Observer implementation.
   virtual void OnSyncCycleCompleted(
       const sessions::SyncSessionSnapshot& snapshot) OVERRIDE;
   virtual void OnConnectionStatusChange(ConnectionStatus status) OVERRIDE;
   virtual void OnUpdatedToken(const std::string& token) OVERRIDE;
-  virtual void OnPassphraseRequired(
-      PassphraseRequiredReason reason,
-      const sync_pb::EncryptedData& pending_keys) OVERRIDE;
-  virtual void OnPassphraseAccepted() OVERRIDE;
-  virtual void OnBootstrapTokenUpdated(
-      const std::string& bootstrap_token) OVERRIDE;
-  virtual void OnEncryptedTypesChanged(
-      ModelTypeSet encrypted_types,
-      bool encrypt_everything) OVERRIDE;
-  virtual void OnEncryptionComplete() OVERRIDE;
   virtual void OnInitializationComplete(
       const WeakHandle<JsBackend>& js_backend, bool success,
       syncer::ModelTypeSet restored_types) OVERRIDE;
   virtual void OnStopSyncingPermanently() OVERRIDE;
   virtual void OnActionableError(
       const SyncProtocolError& sync_protocol_error) OVERRIDE;
 
  private:
   void HandleJsEvent(const tracked_objects::Location& from_here,
                     const std::string& name, const JsEventDetails& details);
 
   WeakHandle<JsEventHandler> event_handler_;
 
   DISALLOW_COPY_AND_ASSIGN(JsSyncManagerObserver);
 };
 
 }  // namespace syncer
 
 #endif  // SYNC_INTERNAL_API_JS_SYNC_MANAGER_OBSERVER_H_