[Sync] Move //sync to //components/sync.

components/sync/sessions/type_debug_info_observer.h

+// Copyright 2014 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 COMPONENTS_SYNC_SESSIONS_TYPE_DEBUG_INFO_OBSERVER_H_
+#define COMPONENTS_SYNC_SESSIONS_TYPE_DEBUG_INFO_OBSERVER_H_
+
+#include "components/sync/base/model_type.h"
+
+namespace syncer {
+
+struct CommitCounters;
+struct StatusCounters;
+struct UpdateCounters;
+
+// Interface for classes that observe per-type sync debug counters.
+class SYNC_EXPORT TypeDebugInfoObserver {
+ public:
+  TypeDebugInfoObserver();
+  virtual ~TypeDebugInfoObserver();
+
+  virtual void OnCommitCountersUpdated(syncer::ModelType type,
+                                       const CommitCounters& counters) = 0;
+  virtual void OnUpdateCountersUpdated(syncer::ModelType type,
+                                       const UpdateCounters& counters) = 0;
+  virtual void OnStatusCountersUpdated(syncer::ModelType type,
+                                       const StatusCounters& counters) = 0;
+};
+
+}  // namespace syncer
+
+#endif  // COMPONENTS_SYNC_SESSIONS_TYPE_DEBUG_INFO_OBSERVER_H_