Remove syncproto.h

sync/engine/syncproto_unittest.cc

Index: sync/engine/syncproto_unittest.cc
diff --git a/sync/engine/syncproto_unittest.cc b/sync/engine/syncproto_unittest.cc
deleted file mode 100644
index 1ceaab3a62c9d77715fb7f5292a9dfcbd6e3bf92..0000000000000000000000000000000000000000
--- a/sync/engine/syncproto_unittest.cc
+++ /dev/null
@@ -1,18 +0,0 @@
-// Copyright (c) 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.
-
-#include "sync/engine/syncproto.h"
-#include "testing/gtest/include/gtest/gtest.h"
-
-namespace syncer {
-
-class SyncProtoTest : public testing::Test {
-};
-
-TEST_F(SyncProtoTest, ProtocolVersionPresent) {
-  ClientToServerMessage csm;
-  EXPECT_TRUE(csm.has_protocol_version());
-}
-
-}  // namespace syncer