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

components/sync/sessions_impl/sync_session.cc

Index: components/sync/sessions_impl/sync_session.cc
diff --git a/components/sync/sessions_impl/sync_session.cc b/components/sync/sessions_impl/sync_session.cc
deleted file mode 100644
index bb6e492df98de50f89de994bba4ca29e2f5f3fd1..0000000000000000000000000000000000000000
--- a/components/sync/sessions_impl/sync_session.cc
+++ /dev/null
@@ -1,91 +0,0 @@
-// Copyright (c) 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.
-
-#include "components/sync/sessions_impl/sync_session.h"
-
-#include <algorithm>
-#include <iterator>
-
-#include "base/logging.h"
-#include "components/sync/base/model_type.h"
-#include "components/sync/engine/model_safe_worker.h"
-#include "components/sync/syncable/directory.h"
-
-namespace syncer {
-namespace sessions {
-
-// static
-SyncSession* SyncSession::Build(SyncSessionContext* context,
-                                Delegate* delegate) {
-  return new SyncSession(context, delegate);
-}
-
-SyncSession::SyncSession(SyncSessionContext* context, Delegate* delegate)
-    : context_(context), delegate_(delegate) {
-  status_controller_.reset(new StatusController());
-}
-
-SyncSession::~SyncSession() {}
-
-SyncSessionSnapshot SyncSession::TakeSnapshot() const {
-  return TakeSnapshotWithSource(sync_pb::GetUpdatesCallerInfo::UNKNOWN);
-}
-
-SyncSessionSnapshot SyncSession::TakeSnapshotWithSource(
-    sync_pb::GetUpdatesCallerInfo::GetUpdatesSource legacy_updates_source)
-    const {
-  syncable::Directory* dir = context_->directory();
-
-  ProgressMarkerMap download_progress_markers;
-  for (int i = FIRST_REAL_MODEL_TYPE; i < MODEL_TYPE_COUNT; ++i) {
-    ModelType type(ModelTypeFromInt(i));
-    dir->GetDownloadProgressAsString(type, &download_progress_markers[type]);
-  }
-
-  std::vector<int> num_entries_by_type(MODEL_TYPE_COUNT, 0);
-  std::vector<int> num_to_delete_entries_by_type(MODEL_TYPE_COUNT, 0);
-  dir->CollectMetaHandleCounts(&num_entries_by_type,
-                               &num_to_delete_entries_by_type);
-
-  SyncSessionSnapshot snapshot(
-      status_controller_->model_neutral_state(), download_progress_markers,
-      delegate_->IsCurrentlyThrottled(),
-      status_controller_->num_encryption_conflicts(),
-      status_controller_->num_hierarchy_conflicts(),
-      status_controller_->num_server_conflicts(),
-      context_->notifications_enabled(), dir->GetEntriesCount(),
-      status_controller_->sync_start_time(),
-      status_controller_->poll_finish_time(), num_entries_by_type,
-      num_to_delete_entries_by_type, legacy_updates_source);
-
-  return snapshot;
-}
-
-void SyncSession::SendSyncCycleEndEventNotification(
-    sync_pb::GetUpdatesCallerInfo::GetUpdatesSource source) {
-  SyncCycleEvent event(SyncCycleEvent::SYNC_CYCLE_ENDED);
-  event.snapshot = TakeSnapshotWithSource(source);
-
-  DVLOG(1) << "Sending cycle end event with snapshot: "
-           << event.snapshot.ToString();
-  FOR_EACH_OBSERVER(SyncEngineEventListener, *(context_->listeners()),
-                    OnSyncCycleEvent(event));
-}
-
-void SyncSession::SendEventNotification(SyncCycleEvent::EventCause cause) {
-  SyncCycleEvent event(cause);
-  event.snapshot = TakeSnapshot();
-
-  DVLOG(1) << "Sending event with snapshot: " << event.snapshot.ToString();
-  FOR_EACH_OBSERVER(SyncEngineEventListener, *(context_->listeners()),
-                    OnSyncCycleEvent(event));
-}
-
-void SyncSession::SendProtocolEvent(const ProtocolEvent& event) {
-  FOR_EACH_OBSERVER(SyncEngineEventListener, *(context_->listeners()),
-                    OnProtocolEvent(event));
-}
-
-}  // namespace sessions
-}  // namespace syncer