Declarative rules should be removed on uninstalling, not unloading

chrome/browser/extensions/api/declarative/rules_registry_service.h

Index: chrome/browser/extensions/api/declarative/rules_registry_service.h
diff --git a/chrome/browser/extensions/api/declarative/rules_registry_service.h b/chrome/browser/extensions/api/declarative/rules_registry_service.h
index af4ce2be237d8f73a7ec0864e735d7f7a2153ab6..7c10f59b42b23c65917f10db5184e5b797d76fa0 100644
--- a/chrome/browser/extensions/api/declarative/rules_registry_service.h
+++ b/chrome/browser/extensions/api/declarative/rules_registry_service.h
@@ -89,7 +89,8 @@ class RulesRegistryService : public ProfileKeyedAPI,
   void RemoveWebViewRulesRegistries(int process_id);
 
   // For testing.
-  void SimulateExtensionUnloaded(const std::string& extension_id);
+  void SimulateExtensionUninstalled(const std::string& extension_id);
+
  private:
   friend class ProfileKeyedAPIFactory<RulesRegistryService>;
 
@@ -98,16 +99,26 @@ class RulesRegistryService : public ProfileKeyedAPI,
   typedef std::map<RulesRegistryKey, scoped_refptr<RulesRegistry> >
       RulesRegistryMap;
 
-  // Notifies all RulesRegistries that |extension_id| was unloaded.
-  // It is not guaranteed that this notification is processed synchronously.
-  // If extensions live on another thread, the notification is posted.
+  // Notifes all RulesRegistry instances that the availability of |extension_id|
+  // has changed. It is not guaranteed that this notification is processed
+  // synchronously. If extensions live on another thread, then the notification
+  // is posted.
+  void OnExtensionUninstalled(const std::string& extension_id);
   void OnExtensionUnloaded(const std::string& extension_id);
+  void OnExtensionLoaded(const std::string& extension_id);
 
   // Implementation of content::NotificationObserver.
   virtual void Observe(int type,
                        const content::NotificationSource& source,
                        const content::NotificationDetails& details) OVERRIDE;
 
+  // Iterates over all registries, and calls |notification_callback| on them
+  // with |extension_id| as the argument. If a registry lives on a different
+  // thread, the call is posted to that thread.
+  void NotifyRegistriesHelper(
+      void (RulesRegistry::*notification_callback)(const std::string&),
+      const std::string& extension_id);
+
   // ProfileKeyedAPI implementation.
   static const char* service_name() {
     return "RulesRegistryService";