sync: Implement per-type commit interface

sync/sessions/status_controller.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.
 
 // StatusController handles all counter and status related number crunching and
 // state tracking on behalf of a SyncSession.
 //
 // The most important feature of StatusController is the
 // ScopedModelSafeGroupRestriction.  Some of its functions expose per-thread
 // state, and can be called only when the restriction is in effect.  For
@@ skipping 17 matching lines @@
 #ifndef SYNC_SESSIONS_STATUS_CONTROLLER_H_
 #define SYNC_SESSIONS_STATUS_CONTROLLER_H_
 
 #include <map>
 #include <vector>
 
 #include "base/logging.h"
 #include "base/stl_util.h"
 #include "base/time/time.h"
 #include "sync/base/sync_export.h"
+#include "sync/internal_api/public/engine/model_safe_worker.h"
 #include "sync/internal_api/public/sessions/model_neutral_state.h"
-#include "sync/sessions/ordered_commit_set.h"
 
 namespace syncer {
 namespace sessions {
 
 class SYNC_EXPORT_PRIVATE StatusController {
  public:
   explicit StatusController();
   ~StatusController();
 
   // ClientToServer messages.
@@ skipping 133 matching lines @@
   }
  private:
   StatusController* status_;
   DISALLOW_COPY_AND_ASSIGN(ScopedModelSafeGroupRestriction);
 };
 
 }  // namespace sessions
 }  // namespace syncer
 
 #endif  // SYNC_SESSIONS_STATUS_CONTROLLER_H_