Add a build flag to configure bundling of HSTS preload list

net/http/transport_security_state_source.cc

Index: net/http/transport_security_state_source.cc
diff --git a/net/http/transport_security_state_source.cc b/net/http/transport_security_state_source.cc
new file mode 100644
index 0000000000000000000000000000000000000000..587c5dfd0726a4abfb8bcfe988d3b9061ab360ca
--- /dev/null
+++ b/net/http/transport_security_state_source.cc
@@ -0,0 +1,11 @@
+// Copyright 2017 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 "net/http/transport_security_state_source.h"
+
+namespace net {
+
+const char kNoReportURI[] = "";
+
+}  // namespace net