Change RulesRegistryService to use ProfileKeyedAPI.

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

Index: chrome/browser/extensions/api/declarative/rules_registry_service.cc
diff --git a/chrome/browser/extensions/api/declarative/rules_registry_service.cc b/chrome/browser/extensions/api/declarative/rules_registry_service.cc
index 011a91a72cb96f33acacaba41a46b59fb2793eca..28648ca1831f41a27dd161b8c16a4d837dd8de3c 100644
--- a/chrome/browser/extensions/api/declarative/rules_registry_service.cc
+++ b/chrome/browser/extensions/api/declarative/rules_registry_service.cc
@@ -5,6 +5,7 @@
 #include "chrome/browser/extensions/api/declarative/rules_registry_service.h"
 
 #include "base/bind.h"
+#include "base/lazy_instance.h"
 #include "base/logging.h"
 #include "chrome/browser/extensions/api/declarative/initializing_rules_registry.h"
 #include "chrome/browser/extensions/api/declarative/rules_registry_storage_delegate.h"
@@ -47,6 +48,7 @@ RulesRegistryService::RulesRegistryService(Profile* profile)
   if (profile) {
     registrar_.Add(this, chrome::NOTIFICATION_EXTENSION_UNLOADED,
                    content::Source<Profile>(profile->GetOriginalProfile()));
+    RegisterDefaultRulesRegistries();
   }
 }
 
@@ -99,6 +101,15 @@ void RulesRegistryService::Shutdown() {
           profile_, scoped_refptr<WebRequestRulesRegistry>(NULL)));
 }
 
+static base::LazyInstance<ProfileKeyedAPIFactory<RulesRegistryService> >
+g_factory = LAZY_INSTANCE_INITIALIZER;
+
+// static
+ProfileKeyedAPIFactory<RulesRegistryService>* RulesRegistryService::

[Devlin, 2013/04/26 01:07:09]

prefer line-wrapping of:
ProfileKeyedAPIFactory<RulesRegistryService>*
RulesRegistryService::GetFactoryInstance() {

(note the lack of indent on the second line - weird, I know)

[Patrick Riordan, 2013/04/26 01:44:55]

Done.

+    GetFactoryInstance() {
+  return &g_factory.Get();
+}
+
 void RulesRegistryService::RegisterRulesRegistry(
     const std::string& event_name,
     scoped_refptr<RulesRegistry> rule_registry) {