sync: take two for: "Added classes to enable session sync...

chrome/browser/sync/profile_sync_factory.h

Index: chrome/browser/sync/profile_sync_factory.h
diff --git a/chrome/browser/sync/profile_sync_factory.h b/chrome/browser/sync/profile_sync_factory.h
index dfeea8a70c3e7a06f0a003d6b60b245e151d285b..1ca0473d8d95009017104c36fd31036f8434d2e9 100644
--- a/chrome/browser/sync/profile_sync_factory.h
+++ b/chrome/browser/sync/profile_sync_factory.h
@@ -116,6 +116,13 @@ class ProfileSyncFactory {
       ProfileSyncService* profile_sync_service,
       history::HistoryBackend* history_backend,
       browser_sync::UnrecoverableErrorHandler* error_handler) = 0;
+
+  // Instantiates both a model associator and change processor for the
+  // session data type.  The pointers in the return struct are
+  // owned by the caller.
+  virtual SyncComponents CreateSessionSyncComponents(
+      ProfileSyncService* profile_sync_service,
+      browser_sync::UnrecoverableErrorHandler* error_handler) = 0;
 };
 
 #endif  // CHROME_BROWSER_SYNC_PROFILE_SYNC_FACTORY_H__