4 files changed, 8 insertions, 6 deletions
diff --git a/sync/util/cryptographer.h b/sync/util/cryptographer.h
index 384ba78..2dfdedc 100644
--- a/sync/util/cryptographer.h
+++ b/sync/util/cryptographer.h
@@ -24,7 +24,7 @@ namespace syncer {
 
 class Encryptor;
 
-extern const char kNigoriTag[];
+SYNC_EXPORT_PRIVATE extern const char kNigoriTag[];
 
 // The parameters used to initialize a Nigori instance.
 struct KeyParams {
diff --git a/sync/util/data_encryption_win.h b/sync/util/data_encryption_win.h
index 5b7dc09..1b037c7 100644
--- a/sync/util/data_encryption_win.h
+++ b/sync/util/data_encryption_win.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.
 
@@ -9,11 +9,13 @@
 #include <vector>
 
 #include "base/basictypes.h"
+#include "sync/base/sync_export.h"
 
 namespace syncer {
 
-std::vector<uint8> EncryptData(const std::string& data);
-bool DecryptData(const std::vector<uint8>& in_data, std::string* out_data);
+SYNC_EXPORT_PRIVATE std::vector<uint8> EncryptData(const std::string& data);
+SYNC_EXPORT bool DecryptData(const std::vector<uint8>& in_data,
+                             std::string* out_data);
 
 }  // namespace syncer
 
diff --git a/sync/util/get_session_name.h b/sync/util/get_session_name.h
index 4a0600d..724ae3c 100644
--- a/sync/util/get_session_name.h
+++ b/sync/util/get_session_name.h
@@ -21,7 +21,7 @@ SYNC_EXPORT void GetSessionName(
     const scoped_refptr<base::TaskRunner>& task_runner,
     const base::Callback<void(const std::string&)>& done_callback);
 
-std::string GetSessionNameSynchronouslyForTesting();
+SYNC_EXPORT_PRIVATE std::string GetSessionNameSynchronouslyForTesting();
 
 }  // namespace syncer
 
diff --git a/sync/util/time.h b/sync/util/time.h
index 2b0b245..79cb958 100644
--- a/sync/util/time.h
+++ b/sync/util/time.h
@@ -20,7 +20,7 @@ namespace syncer {
 SYNC_EXPORT int64 TimeToProtoTime(const base::Time& t);
 
 // Converts a time field from sync protobufs to a time object.
-base::Time ProtoTimeToTime(int64 proto_t);
+SYNC_EXPORT_PRIVATE base::Time ProtoTimeToTime(int64 proto_t);
 
 SYNC_EXPORT std::string GetTimeDebugString(const base::Time& t);