Don't drop debug_info when posting to sync server fails

sync/test/sessions/mock_debug_info_getter.cc

Index: sync/test/sessions/mock_debug_info_getter.cc
diff --git a/sync/test/sessions/mock_debug_info_getter.cc b/sync/test/sessions/mock_debug_info_getter.cc
new file mode 100644
index 0000000000000000000000000000000000000000..524c5cf778506478a5477198b45b20ef0d64d0db
--- /dev/null
+++ b/sync/test/sessions/mock_debug_info_getter.cc
@@ -0,0 +1,29 @@
+// 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