sync: Remove SyncSourceInfo

sync/sessions/sync_session.cc

 // 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 "sync/sessions/sync_session.h"
 
 #include <algorithm>
 #include <iterator>
 
 #include "base/logging.h"
 #include "sync/internal_api/public/base/model_type.h"
 #include "sync/internal_api/public/engine/model_safe_worker.h"
 #include "sync/syncable/directory.h"
 
 namespace syncer {
 namespace sessions {
 
 // static
 SyncSession* SyncSession::Build(SyncSessionContext* context,
-                                Delegate* delegate,
-                                const SyncSourceInfo& source) {
-  return new SyncSession(context, delegate, source);
+                                Delegate* delegate) {
+  return new SyncSession(context, delegate);
 }
 
 SyncSession::SyncSession(
     SyncSessionContext* context,
-    Delegate* delegate,
-    const SyncSourceInfo& source)
+    Delegate* delegate)
     : context_(context),
-      source_(source),
       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(),
-      source_,
       context_->notifications_enabled(),
       dir->GetEntriesCount(),
       status_controller_->sync_start_time(),
       num_entries_by_type,
-      num_to_delete_entries_by_type);
+      num_to_delete_entries_by_type,
+      legacy_updates_source);
 
   return snapshot;
 }
 
+void SyncSession::SendSyncCycleEndEventNotification(
+    sync_pb::GetUpdatesCallerInfo::GetUpdatesSource source) {
+  SyncEngineEvent event(SyncEngineEvent::SYNC_CYCLE_ENDED);
+  event.snapshot = TakeSnapshotWithSource(source);
+
+  DVLOG(1) << "Sending cycle end event with snapshot: "
+      << event.snapshot.ToString();
+  context()->NotifyListeners(event);
+}
+
 void SyncSession::SendEventNotification(SyncEngineEvent::EventCause cause) {
   SyncEngineEvent event(cause);
   event.snapshot = TakeSnapshot();
 
   DVLOG(1) << "Sending event with snapshot: " << event.snapshot.ToString();
   context()->NotifyListeners(event);
 }
 
 }  // namespace sessions
 }  // namespace syncer