DNR Prototype: With flatbuffers

extensions/shell/browser/shell_extension_system.cc

Index: extensions/shell/browser/shell_extension_system.cc
diff --git a/extensions/shell/browser/shell_extension_system.cc b/extensions/shell/browser/shell_extension_system.cc
index 19ce4fab5548fd332f92a5984a01a2c86cbd9d14..2087a2709d5254c91eb591d9b47153ed4cb9f3eb 100644
--- a/extensions/shell/browser/shell_extension_system.cc
+++ b/extensions/shell/browser/shell_extension_system.cc
@@ -185,6 +185,11 @@ ContentVerifier* ShellExtensionSystem::content_verifier() {
   return nullptr;
 }
 
+// TODO is this correct? rules_store returns null.
+declarative_net_request::RulesMonitor* ShellExtensionSystem::rules_monitor() {
+  return nullptr;
+}
+
 std::unique_ptr<ExtensionSet> ShellExtensionSystem::GetDependentExtensions(
     const Extension* extension) {
   return base::MakeUnique<ExtensionSet>();