[Sync] Move sessions/ to engine/cycle/ and rename things to match.

components/sync/sessions/type_debug_info_observer.h

Index: components/sync/sessions/type_debug_info_observer.h
diff --git a/components/sync/sessions/type_debug_info_observer.h b/components/sync/sessions/type_debug_info_observer.h
deleted file mode 100644
index b67d4d03f1fb72253005345817633bce3f43840d..0000000000000000000000000000000000000000
--- a/components/sync/sessions/type_debug_info_observer.h
+++ /dev/null
@@ -1,32 +0,0 @@
-// 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 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_