[sync] Componentize sync: Part 6: Add more SYNC_EXPORTs to files in src/sync/

sync/sessions/status_controller.h

Index: sync/sessions/status_controller.h
diff --git a/sync/sessions/status_controller.h b/sync/sessions/status_controller.h
index 9e1e73c05cda51482c289fda14e1f61d37f1460b..bf100b060e96270f7800d7bc53ce2c62dd38f247 100644
--- a/sync/sessions/status_controller.h
+++ b/sync/sessions/status_controller.h
@@ -1,4 +1,4 @@
-// Copyright (c) 2012 The Chromium Authors. All rights reserved.
+// Copyright 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.
 
@@ -34,13 +34,14 @@
 #include "base/logging.h"
 #include "base/stl_util.h"
 #include "base/time.h"
+#include "sync/base/sync_export.h"
 #include "sync/internal_api/public/sessions/model_neutral_state.h"
 #include "sync/sessions/ordered_commit_set.h"
 
 namespace syncer {
 namespace sessions {
 
-class StatusController {
+class SYNC_EXPORT_PRIVATE StatusController {
  public:
   explicit StatusController(const ModelSafeRoutingInfo& routes);
   ~StatusController();