Implement Invalidator::Acknowledge

chrome/browser/sync/glue/bridged_invalidator.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 CHROME_BROWSER_SYNC_GLUE_BRIDGED_INVALIDATOR_H_
 #define CHROME_BROWSER_SYNC_GLUE_BRIDGED_INVALIDATOR_H_
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 19 matching lines @@
                      syncer::InvalidatorState default_invalidator_state);
   virtual ~BridgedInvalidator();
 
   // Invalidator implementation. Passes through all calls to the delegate.
   // RegisterHandler, UpdateRegisteredIds, and UnregisterHandler calls will
   // also be forwarded to the bridge.
   virtual void RegisterHandler(syncer::InvalidationHandler* handler) OVERRIDE;
   virtual void UpdateRegisteredIds(syncer::InvalidationHandler * handler,
                                    const syncer::ObjectIdSet& ids) OVERRIDE;
   virtual void UnregisterHandler(syncer::InvalidationHandler* handler) OVERRIDE;
+  virtual void Acknowledge(const invalidation::ObjectId& id,
+                           const syncer::AckHandle& ack_handle) OVERRIDE;
   virtual syncer::InvalidatorState GetInvalidatorState() const OVERRIDE;
   virtual void SetUniqueId(const std::string& unique_id) OVERRIDE;
   virtual void SetStateDeprecated(const std::string& state) OVERRIDE;
   virtual void UpdateCredentials(
       const std::string& email, const std::string& token) OVERRIDE;
   virtual void SendInvalidation(
       const syncer::ObjectIdInvalidationMap& invalidation_map) OVERRIDE;
 
  private:
   // The notification bridge that we register the observers with.
   ChromeSyncNotificationBridge* const bridge_;
 
   // The delegate we are wrapping.
   const scoped_ptr<syncer::Invalidator> delegate_;
 
   const syncer::InvalidatorState default_invalidator_state_;
 
   DISALLOW_COPY_AND_ASSIGN(BridgedInvalidator);
 };
 
 }  // namespace browser_sync
 
 #endif  // CHROME_BROWSER_SYNC_GLUE_BRIDGED_INVALIDATOR_H_