Change RulesRegistryService to use ProfileKeyedAPI.

chrome/browser/extensions/extension_system.cc

Index: chrome/browser/extensions/extension_system.cc
diff --git a/chrome/browser/extensions/extension_system.cc b/chrome/browser/extensions/extension_system.cc
index 390b1b8054e9f2e40cf5d8974286e89ef36521b9..801ea4287753c4d3d5811102a111ccbb9fcae317 100644
--- a/chrome/browser/extensions/extension_system.cc
+++ b/chrome/browser/extensions/extension_system.cc
@@ -11,7 +11,6 @@
 #include "base/strings/string_tokenizer.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/content_settings/cookie_settings.h"
-#include "chrome/browser/extensions/api/declarative/rules_registry_service.h"
 #include "chrome/browser/extensions/blacklist.h"
 #include "chrome/browser/extensions/component_loader.h"
 #include "chrome/browser/extensions/event_router.h"
@@ -288,8 +287,6 @@ ExtensionSystemImpl::ExtensionSystemImpl(Profile* profile)
 }
 
 ExtensionSystemImpl::~ExtensionSystemImpl() {
-  if (rules_registry_service_)
-    rules_registry_service_->Shutdown();
 }
 
 void ExtensionSystemImpl::Shutdown() {
@@ -313,23 +310,9 @@ void ExtensionSystemImpl::InitForRegularProfile(bool extensions_enabled) {
   usb_device_resource_manager_.reset(
       new ApiResourceManager<UsbDeviceResource>(BrowserThread::IO));
 
-  rules_registry_service_.reset(new RulesRegistryService(profile_));
-  rules_registry_service_->RegisterDefaultRulesRegistries();
-
   shared_->Init(extensions_enabled);
 }
 
-void ExtensionSystemImpl::InitForOTRProfile() {
-  // Only initialize the RulesRegistryService of the OTR ExtensionSystem if the
-  // regular ExtensionSystem has been initialized properly, as we depend on it.
-  // Some ChromeOS browser tests don't initialize the regular ExtensionSystem
-  // in login-tests.
-  if (extension_service()) {
-    rules_registry_service_.reset(new RulesRegistryService(profile_));
-    rules_registry_service_->RegisterDefaultRulesRegistries();
-  }
-}
-
 ExtensionService* ExtensionSystemImpl::extension_service() {
   return shared_->extension_service();
 }
@@ -366,10 +349,6 @@ EventRouter* ExtensionSystemImpl::event_router() {
   return shared_->event_router();
 }
 
-RulesRegistryService* ExtensionSystemImpl::rules_registry_service() {
-  return rules_registry_service_.get();
-}
-
 ApiResourceManager<SerialConnection>*
 ExtensionSystemImpl::serial_connection_manager() {
   return serial_connection_manager_.get();