sync: change to demonstrate where syncable leak is.

chrome/browser/sync/syncable/syncable.cc

Index: chrome/browser/sync/syncable/syncable.cc
diff --git a/chrome/browser/sync/syncable/syncable.cc b/chrome/browser/sync/syncable/syncable.cc
index a2a9a98599b010e7d22b69e29ff1c8fd54a41fc4..38ddb45185724e4a57cb524ec95987d445dc77d5 100644
--- a/chrome/browser/sync/syncable/syncable.cc
+++ b/chrome/browser/sync/syncable/syncable.cc
@@ -260,8 +260,10 @@ DirOpenResult Directory::OpenImpl(const FilePath& file_path,
   // swap these later.
   MetahandlesIndex metas_bucket;
   DirOpenResult result = store_->Load(&metas_bucket, &info);
-  if (OPENED != result)
+  if (OPENED != result) {
+    // XXX need to free all the crap in metas_bucket here.
     return result;
+  }
 
   kernel_ = new Kernel(db_path, name, info);
   kernel_->metahandles_index->swap(metas_bucket);