Add cache_guid accessor to UserShare

sync/internal_api/public/user_share.h

Index: sync/internal_api/public/user_share.h
diff --git a/sync/internal_api/public/user_share.h b/sync/internal_api/public/user_share.h
index af4e231edb3fc2ad498b133fdb2533e59797b8bd..ea284053c81e01bd3fec447ee59a29291625d904 100644
--- a/sync/internal_api/public/user_share.h
+++ b/sync/internal_api/public/user_share.h
@@ -28,6 +28,9 @@ struct UserShare {
 
   // 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