DNR Prototype: With flatbuffers

extensions/browser/extension_system.h

Index: extensions/browser/extension_system.h
diff --git a/extensions/browser/extension_system.h b/extensions/browser/extension_system.h
index 49dc3116846ef379d7ad9bcf8ba0a1d5d8a6a501..cd1d3c3741bd33ee0dce0057625d56db8ff53765 100644
--- a/extensions/browser/extension_system.h
+++ b/extensions/browser/extension_system.h
@@ -40,6 +40,10 @@ class SharedUserScriptMaster;
 class StateStore;
 class ValueStoreFactory;
 
+namespace declarative_net_request {
+class RulesMonitor;
+}  // namespace
+
 // ExtensionSystem manages the lifetime of many of the services used by the
 // extensions and apps system, and it handles startup and shutdown as needed.
 // Eventually, we'd like to make more of these services into KeyedServices in
@@ -117,6 +121,10 @@ class ExtensionSystem : public KeyedService {
   // Returns the content verifier, if any.
   virtual ContentVerifier* content_verifier() = 0;
 
+  // TODO do we need to provide access to rules_monitor. It is already installed
+  // as an ExtensionRegistryObserver.
+  virtual declarative_net_request::RulesMonitor* rules_monitor() = 0;
+
   // Get a set of extensions that depend on the given extension.
   // TODO(elijahtaylor): Move SharedModuleService out of chrome/browser
   // so it can be retrieved from ExtensionSystem directly.