anchor.diff:                treeEntries.add(new TreeEntry(entry.name, shaToBytes(sha),
                     false));
               }
  -            return;
             });
           } else {
             (entry as chrome.ChromeFileEntry).readBytes().then(
  
positive.code:           String bName = b.isBlob ? b.name : (b.name + '/');
            return aName.compareTo(bName);
          });
          store.writeTree(treeEntries).then((String result) {
            completer.complete(result);
          });
        });
      });
  
      return completer.future;
    }
  
    static Future checkTreeChanged(ObjectStore store, String parent,
  
negative.code:             store.writeRawObject('blob', new Uint8List.fromList(
                  buf.getBytes())).then((String sha) {
                treeEntries.add(new TreeEntry(entry.name, shaToBytes(sha), true));
              });
            });
          }
  