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

components/sync/engine/cycle/sync_cycle_snapshot.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 COMPONENTS_SYNC_SESSIONS_SYNC_SESSION_SNAPSHOT_H_
-#define COMPONENTS_SYNC_SESSIONS_SYNC_SESSION_SNAPSHOT_H_
+#ifndef COMPONENTS_SYNC_ENGINE_CYCLE_SYNC_CYCLE_SNAPSHOT_H_
+#define COMPONENTS_SYNC_ENGINE_CYCLE_SYNC_CYCLE_SNAPSHOT_H_
 
 #include <stddef.h>
 
 #include <string>
 #include <vector>
 
 #include "base/time/time.h"
 #include "components/sync/base/model_type.h"
 #include "components/sync/base/progress_marker_map.h"
-#include "components/sync/sessions/model_neutral_state.h"
+#include "components/sync/engine/cycle/model_neutral_state.h"
 
 namespace base {
 class DictionaryValue;
 }
 
 namespace syncer {
-namespace sessions {
 
-// An immutable snapshot of state from a SyncSession.  Convenient to use as
+// An immutable snapshot of state from a SyncCycle.  Convenient to use as
 // part of notifications as it is inherently thread-safe.
 // TODO(zea): if copying this all over the place starts getting expensive,
 // consider passing around immutable references instead of values.
 // Default copy and assign welcome.
-class SyncSessionSnapshot {
+class SyncCycleSnapshot {
  public:
-  SyncSessionSnapshot();
-  SyncSessionSnapshot(
+  SyncCycleSnapshot();
+  SyncCycleSnapshot(
       const ModelNeutralState& model_neutral_state,
       const ProgressMarkerMap& download_progress_markers,
       bool is_silenced,
       int num_encryption_conflicts,
       int num_hierarchy_conflicts,
       int num_server_conflicts,
       bool notifications_enabled,
       size_t num_entries,
       base::Time sync_start_time,
       base::Time poll_finish_time,
       const std::vector<int>& num_entries_by_type,
       const std::vector<int>& num_to_delete_entries_by_type,
       sync_pb::GetUpdatesCallerInfo::GetUpdatesSource legacy_updates_source);
-  SyncSessionSnapshot(const SyncSessionSnapshot& other);
-  ~SyncSessionSnapshot();
+  SyncCycleSnapshot(const SyncCycleSnapshot& other);
+  ~SyncCycleSnapshot();
 
   std::unique_ptr<base::DictionaryValue> ToValue() const;
 
   std::string ToString() const;
 
   ModelNeutralState model_neutral_state() const { return model_neutral_state_; }
   const ProgressMarkerMap& download_progress_markers() const;
   bool is_silenced() const;
   int num_encryption_conflicts() const;
   int num_hierarchy_conflicts() const;
@@ skipping 25 matching lines @@
   std::vector<int> num_to_delete_entries_by_type_;
 
   // This enum value used to be an important part of the sync protocol, but is
   // now deprecated.  We continue to use it in the snapshot because there is
   // still some value in displaying it on the about:sync page.
   sync_pb::GetUpdatesCallerInfo::GetUpdatesSource legacy_updates_source_;
 
   bool is_initialized_;
 };
 
-}  // namespace sessions
 }  // namespace syncer
 
-#endif  // COMPONENTS_SYNC_SESSIONS_SYNC_SESSION_SNAPSHOT_H_
+#endif  // COMPONENTS_SYNC_ENGINE_CYCLE_SYNC_CYCLE_SNAPSHOT_H_