Add cache_guid accessor to UserShare

sync/internal_api/public/user_share.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_PUBLIC_USER_SHARE_H_
 #define SYNC_INTERNAL_API_PUBLIC_USER_SHARE_H_
 
 #include <string>
 
 #include "base/memory/scoped_ptr.h"
@@ skipping 10 matching lines @@
 // syncable share.
 struct UserShare {
   UserShare();
   ~UserShare();
 
   // The Directory itself, which is the parent of Transactions.
   scoped_ptr<syncable::Directory> directory;
 
   // The username of the sync user.
   std::string name;
+
+  // The cache guid of the sync directory.
+  std::string cache_guid();

[tim (not reviewing), 2012/09/28 19:00:54]

structs shouldn't have methods :/  make it a class?
http://google-styleguide.googlecode.com/svn/trunk/cppguide.xml?showone=Struct...


Notably, "The accessing/setting of fields is done by directly accessing the
fields rather than through method invocations."

also, const?

 };
 
 }  // namespace syncer
 
 #endif  // SYNC_INTERNAL_API_PUBLIC_USER_SHARE_H_