Replace calls to 3-arg SyncData::CreateLocalData with 5-arg version.

sync/api/attachments/attachment_service_proxy.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_API_ATTACHMENTS_ATTACHMENT_SERVICE_PROXY_H_
 #define SYNC_API_ATTACHMENTS_ATTACHMENT_SERVICE_PROXY_H_
 
 #include "base/basictypes.h"
 #include "base/callback.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 15 matching lines @@
 // from which the method was called.
 //
 // This class does not own its wrapped AttachmentService object.  This class
 // holds a WeakPtr to the wrapped object.  Once the the wrapped object is
 // destroyed, method calls on this object will be no-ops.
 //
 //  Users of this class should take care to destroy the wrapped object on the
 //  correct thread (wrapped_task_runner).
 //
 // This class is thread-safe.
-class SYNC_EXPORT AttachmentServiceProxy : public AttachmentService {
+class SYNC_EXPORT AttachmentServiceProxy
+    : public AttachmentService,
+      public base::RefCountedThreadSafe<AttachmentServiceProxy> {
  public:
   // Default copy and assignment are welcome.
 
   // Construct an invalid AttachmentServiceProxy.
   AttachmentServiceProxy();
 
   // Construct an AttachmentServiceProxy that forwards calls to |wrapped| on the
   // |wrapped_task_runner| thread.
   AttachmentServiceProxy(
       const scoped_refptr<base::SequencedTaskRunner>& wrapped_task_runner,
       base::WeakPtr<syncer::AttachmentService> wrapped);
 
-  virtual ~AttachmentServiceProxy();
-
   // AttachmentService implementation.
   virtual void GetOrDownloadAttachments(const AttachmentIdList& attachment_ids,
                                         const GetOrDownloadCallback& callback)
       OVERRIDE;
   virtual void DropAttachments(const AttachmentIdList& attachment_ids,
                                const DropCallback& callback) OVERRIDE;
   virtual void OnSyncDataAdd(const SyncData& sync_data) OVERRIDE;
   virtual void OnSyncDataDelete(const SyncData& sync_data) OVERRIDE;
   virtual void OnSyncDataUpdate(const AttachmentIdList& old_attachment_ids,
                                 const SyncData& updated_sync_data) OVERRIDE;
 
+ protected:
+  virtual ~AttachmentServiceProxy();
+
  private:
+  friend class base::RefCountedThreadSafe<AttachmentServiceProxy>;
+
   scoped_refptr<base::SequencedTaskRunner> wrapped_task_runner_;
   // wrapped_ must only be dereferenced on the wrapped_task_runner_ thread.
   base::WeakPtr<AttachmentService> wrapped_;
 };
 
 }  // namespace syncer
 
 #endif  // SYNC_API_ATTACHMENTS_ATTACHMENT_SERVICE_PROXY_H_