Wire sync shutdown reason from PSS all the way down to sync manager.

sync/internal_api/sync_rollback_manager_unittest.cc

Index: sync/internal_api/sync_rollback_manager_unittest.cc
diff --git a/sync/internal_api/sync_rollback_manager_unittest.cc b/sync/internal_api/sync_rollback_manager_unittest.cc
index 11f875f56a0f4ad97967ce72403eaf1d50ad11e9..37663f37bd08037b7d2cbd48034ee82f6c0c6fb6 100644
--- a/sync/internal_api/sync_rollback_manager_unittest.cc
+++ b/sync/internal_api/sync_rollback_manager_unittest.cc
@@ -133,7 +133,7 @@ class SyncRollbackManagerTest : public testing::Test,
     InitManager(&backup_manager, ModelTypeSet(type), &delegate,
                 STORAGE_ON_DISK);
     CreateEntry(backup_manager.GetUserShare(), type, client_tag);
-    backup_manager.ShutdownOnSyncThread();
+    backup_manager.ShutdownOnSyncThread(STOP_SYNC);
   }
 
   // Verify entry with |client_tag| exists in sync directory.
@@ -163,7 +163,7 @@ class SyncRollbackManagerTest : public testing::Test,
                      base::Bind(&SyncRollbackManagerTest::ConfigureSyncer,
                                 base::Unretained(this)));
     } else {
-      manager_->ShutdownOnSyncThread();
+      manager_->ShutdownOnSyncThread(STOP_SYNC);
     }
   }
 
@@ -242,7 +242,7 @@ TEST_F(SyncRollbackManagerTest, BackupDbNotChangedOnAbort) {
   CreateEntry(rollback_manager->GetUserShare(), PREFERENCES, "pref2");
 
   // Manager was shut down before sync starts.
-  rollback_manager->ShutdownOnSyncThread();
+  rollback_manager->ShutdownOnSyncThread(STOP_SYNC);
 
   // Verify new entry was not persisted.
   rollback_manager.reset(new SyncRollbackManager);