[Chromoting] GetHostAttributes with tests

remoting/host/host_attributes_empty.h

+// Copyright 2016 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.
+
+#ifndef REMOTING_HOST_HOST_ATTRIBUTES_EMPTY_H_
+#define REMOTING_HOST_HOST_ATTRIBUTES_EMPTY_H_
+
+#include "remoting/host/host_attributes.h"
+
+namespace remoting {
+
+namespace {
+
+inline constexpr bool IsDebug() {
+#if defined(NDEBUG)
+  return false;
+#else
+  return true;
+#endif
+}
+
+}  // namespace
+
+static StaticAttribute kStaticAttributes[] = {
+  StaticAttribute::Create( { "Debug-Build", &IsDebug } ),
+};
+
+static constexpr DynamicAttribute kDynamicAttributes[] = {};
+
+}  // namespace remoting
+
+#endif  // REMOTING_HOST_HOST_ATTRIBUTES_EMPTY_H_