[Sync] Initial support for encrypting any datatype (no UI hookup yet).

chrome/browser/sync/engine/change_reorder_buffer.h

 // Copyright (c) 2006-2009 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.
 //
 // Defines ChangeReorderBuffer, which can be used to sort a list of item
 // actions to achieve the ordering constraint required by the SyncObserver
 // interface of the SyncAPI.
 
 #ifndef CHROME_BROWSER_SYNC_ENGINE_CHANGE_REORDER_BUFFER_H_
 #define CHROME_BROWSER_SYNC_ENGINE_CHANGE_REORDER_BUFFER_H_
@@ skipping 21 matching lines @@
 //      all siblings under a parent will appear in the output, even if they
 //      are not explicitly pushed.  The sibling order will be preserved in
 //      the output list -- items will appear before their sibling-order
 //      successors.
 //  (d) When there are no changes to the sibling order under a parent node,
 //      the sibling order is not necessarily preserved in the output for
 //      its children.
 class ChangeReorderBuffer {
  public:
   typedef SyncManager::ChangeRecord ChangeRecord;
-  typedef SyncManager::ExtraChangeRecordData ExtraChangeRecordData;
+  typedef SyncManager::ExtraPasswordChangeRecordData ExtraChangeRecordData;
 
   ChangeReorderBuffer();
   ~ChangeReorderBuffer();
 
   // Insert an item, identified by the metahandle |id|, into the reorder
   // buffer. This item will appear in the output list as an ACTION_ADD
   // ChangeRecord.
   void PushAddedItem(int64 id) {
     operations_[id] = OP_ADD;
   }
@@ skipping 60 matching lines @@
 
   // Stores type-specific extra data per-ID.
   ExtraDataMap extra_data_;
 
   DISALLOW_COPY_AND_ASSIGN(ChangeReorderBuffer);
 };
 
 }  // namespace sync_api
 
 #endif  // CHROME_BROWSER_SYNC_ENGINE_CHANGE_REORDER_BUFFER_H_