sync: Loop committing items without downloading updates

sync/engine/process_commit_response_command.h

Index: sync/engine/process_commit_response_command.h
diff --git a/sync/engine/process_commit_response_command.h b/sync/engine/process_commit_response_command.h
index 8e288de853e29009ff800dda0bf978b084ed1b50..6a12d73c2246b4ae21e77c4ac5263b94a91ced57 100644
--- a/sync/engine/process_commit_response_command.h
+++ b/sync/engine/process_commit_response_command.h
@@ -18,14 +18,22 @@ namespace syncable {
 class Id;
 class WriteTransaction;
 class MutableEntry;
+class Directory;
 }
 
 namespace browser_sync {
 
+namespace sessions {
+class OrderedCommitSet;
+}
+
 class ProcessCommitResponseCommand : public ModelChangingSyncerCommand {
  public:
 
-  ProcessCommitResponseCommand();
+  ProcessCommitResponseCommand(
+      const sessions::OrderedCommitSet& commit_set,
+      const ClientToServerMessage& commit_message,
+      const ClientToServerResponse& commit_response);
   virtual ~ProcessCommitResponseCommand();
 
  protected:
@@ -43,7 +51,6 @@ class ProcessCommitResponseCommand : public ModelChangingSyncerCommand {
       const sync_pb::CommitResponse_EntryResponse& pb_commit_response,
       const sync_pb::SyncEntity& pb_committed_entry,
       const syncable::Id& pre_commit_id,
-      std::set<syncable::Id>* conflicting_new_directory_ids,
       std::set<syncable::Id>* deleted_folders);
 
   // Actually does the work of execute.
@@ -93,6 +100,15 @@ class ProcessCommitResponseCommand : public ModelChangingSyncerCommand {
       const sync_pb::SyncEntity& committed_entry,
       const CommitResponse_EntryResponse& entry_response);
 
+  // Helper to clean up in case of failure.
+  void ClearSyncingBits(
+      syncable::Directory *dir,
+      const std::vector<syncable::Id>& commit_ids);
+
+  const sessions::OrderedCommitSet& commit_set_;
+  const ClientToServerMessage& commit_message_;
+  const ClientToServerResponse& commit_response_;
+
   DISALLOW_COPY_AND_ASSIGN(ProcessCommitResponseCommand);
 };