Don't drop debug_info when posting to sync server fails

sync/test/sessions/mock_debug_info_getter.cc

+// Copyright 2013 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/test/sessions/mock_debug_info_getter.h"
+
+namespace syncer {
+namespace sessions {
+
+MockDebugInfoGetter::MockDebugInfoGetter() {
+}
+
+MockDebugInfoGetter::~MockDebugInfoGetter() {
+}
+
+void MockDebugInfoGetter::GetDebugInfo(sync_pb::DebugInfo* debug_info) {
+  debug_info->CopyFrom(debug_info_);
+}
+
+void MockDebugInfoGetter::ClearDebugInfo() {
+  debug_info_.Clear();
+}
+
+void MockDebugInfoGetter::AddDebugEvent() {
+  debug_info_.add_events();
+}
+
+}  // namespace sessions
+}  // namespace syncer