[Sync] Move 'sync' target to sync/

sync/syncable/on_disk_directory_backing_store.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_SYNCABLE_ON_DISK_DIRECTORY_BACKING_STORE_H_
-#define CHROME_BROWSER_SYNC_SYNCABLE_ON_DISK_DIRECTORY_BACKING_STORE_H_
+#ifndef SYNC_SYNCABLE_ON_DISK_DIRECTORY_BACKING_STORE_H_
+#define SYNC_SYNCABLE_ON_DISK_DIRECTORY_BACKING_STORE_H_
 #pragma once
 
 #include "base/file_path.h"
-#include "chrome/browser/sync/syncable/directory_backing_store.h"
+#include "sync/syncable/directory_backing_store.h"
 
 namespace syncable {
 
 // This is the concrete class that provides a useful implementation of
 // DirectoryBackingStore.
 class OnDiskDirectoryBackingStore : public DirectoryBackingStore {
  public:
   OnDiskDirectoryBackingStore(const std::string& dir_name,
                               const FilePath& backing_filepath);
   virtual DirOpenResult Load(
       MetahandlesIndex* entry_bucket,
       Directory::KernelLoadInfo* kernel_load_info) OVERRIDE;
 
  private:
   FilePath backing_filepath_;
 };
 
 }  // namespace syncable
 
-#endif  // CHROME_BROWSER_SYNC_SYNCABLE_ON_DISK_DIRECTORY_BACKING_STORE_H_
+#endif  // SYNC_SYNCABLE_ON_DISK_DIRECTORY_BACKING_STORE_H_