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

components/sync/core/internal_components_factory.h

Index: components/sync/core/internal_components_factory.h
diff --git a/components/sync/core/internal_components_factory.h b/components/sync/core/internal_components_factory.h
index 6512d8733b9b0c7dd6d13c6ed746d2fa8535030c..779415d0d8a414c60b59c605347b28615512ab88 100644
--- a/components/sync/core/internal_components_factory.h
+++ b/components/sync/core/internal_components_factory.h
@@ -19,17 +19,14 @@
 namespace syncer {
 
 class CancelationSignal;
+class DebugInfoGetter;
 class ExtensionsActivity;
 class ModelTypeRegistry;
 class ServerConnectionManager;
+class SyncCycleContext;
 class SyncEngineEventListener;
 class SyncScheduler;
 
-namespace sessions {
-class DebugInfoGetter;
-class SyncSessionContext;
-}
-
 namespace syncable {
 class Directory;
 class DirectoryBackingStore;
@@ -88,15 +85,15 @@ class InternalComponentsFactory {
 
   virtual std::unique_ptr<SyncScheduler> BuildScheduler(
       const std::string& name,
-      sessions::SyncSessionContext* context,
+      SyncCycleContext* context,
       CancelationSignal* cancelation_signal) = 0;
 
-  virtual std::unique_ptr<sessions::SyncSessionContext> BuildContext(
+  virtual std::unique_ptr<SyncCycleContext> BuildContext(
       ServerConnectionManager* connection_manager,
       syncable::Directory* directory,
       ExtensionsActivity* extensions_activity,
       const std::vector<SyncEngineEventListener*>& listeners,
-      sessions::DebugInfoGetter* debug_info_getter,
+      DebugInfoGetter* debug_info_getter,
       ModelTypeRegistry* model_type_registry,
       const std::string& invalidator_client_id) = 0;