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

sync/internal_api/syncapi_internal.h

Index: sync/internal_api/syncapi_internal.h
diff --git a/sync/internal_api/syncapi_internal.h b/sync/internal_api/syncapi_internal.h
index 19932e81b1349b50c686c8973148d641a5d77f36..06689aad9cc7aa8143658a80ba3e08405fc7a84b 100644
--- a/sync/internal_api/syncapi_internal.h
+++ b/sync/internal_api/syncapi_internal.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.
 
@@ -10,6 +10,8 @@
 
 #include <string>
 
+#include "sync/base/sync_export.h"
+
 namespace sync_pb {
 class EntitySpecifics;
 class PasswordSpecificsData;
@@ -23,8 +25,8 @@ sync_pb::PasswordSpecificsData* DecryptPasswordSpecifics(
     const sync_pb::EntitySpecifics& specifics,
     Cryptographer* crypto);
 
-void SyncAPINameToServerName(const std::string& syncer_name,
-                             std::string* out);
+SYNC_EXPORT_PRIVATE void SyncAPINameToServerName(const std::string& syncer_name,
+                                                 std::string* out);
 
 bool IsNameServerIllegalAfterTrimming(const std::string& name);