sync: Expose sync functionality as functions

sync/engine/get_commit_ids_command.h

 // Copyright 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_ENGINE_GET_COMMIT_IDS_COMMAND_H_
 #define SYNC_ENGINE_GET_COMMIT_IDS_COMMAND_H_
 
 #include <utility>
 #include <vector>
 
@@ skipping 22 matching lines @@
 
  public:
   // The batch_size parameter is the maximum number of entries we are allowed
   // to commit in a single batch.  This value can be modified by the server.
   //
   // The ordered_commit_set parameter is an output parameter that will contain a
   // set of items that are ready to commit.  Its size shall not exceed the
   // provided batch_size.  This contents of this "set" will be ordered; see the
   // comments in this class' implementation for details.
   GetCommitIdsCommand(syncable::BaseTransaction* trans,
+                      ModelTypeSet requested_types,
                       const size_t commit_batch_size,
                       sessions::OrderedCommitSet* ordered_commit_set);
   virtual ~GetCommitIdsCommand();
 
   // SyncerCommand implementation.
   virtual SyncerError ExecuteImpl(sessions::SyncSession* session) OVERRIDE;
 
   // Builds a vector of IDs that should be committed.
   void BuildCommitIds(syncable::BaseTransaction* write_transaction,
                       const ModelSafeRoutingInfo& routes,
@@ skipping 62 matching lines @@
   void AddCreatesAndMoves(syncable::BaseTransaction* write_transaction,
                           const ModelSafeRoutingInfo& routes,
                           const std::set<int64>& ready_unsynced_set);
 
   void AddDeletes(syncable::BaseTransaction* write_transaction,
                   const std::set<int64>& ready_unsynced_set);
 
   // A pointer to a valid transaction not owned by this class.
   syncable::BaseTransaction* trans_;
 
+  // The set of types from which to draw commit IDs.
+  ModelTypeSet requested_types_;

[tim (not reviewing), 2013/06/21 21:24:03]

const ?

[rlarocque, 2013/06/24 20:03:08]

Done.

+
   // Input parameter; see constructor comment.
   const size_t requested_commit_batch_size_;
 
   // Output parameter; see constructor comment.
   sessions::OrderedCommitSet* commit_set_;
 
   DISALLOW_COPY_AND_ASSIGN(GetCommitIdsCommand);
 };
 
 }  // namespace syncer
 
 #endif  // SYNC_ENGINE_GET_COMMIT_IDS_COMMAND_H_