Change RulesRegistryService to use ProfileKeyedAPI.

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 1910d1650b41ccc90603ce133636c4c5f6cfcdb8..8752a4a7a337de8b6f95bd1635aac4c0f6baff39 100644
--- a/chrome/browser/extensions/api/declarative/rules_registry_service.h
+++ b/chrome/browser/extensions/api/declarative/rules_registry_service.h
@@ -10,6 +10,7 @@
 #include <vector>
 
 #include "base/memory/ref_counted.h"
+#include "chrome/browser/extensions/api/profile_keyed_api_factory.h"
 #include "content/public/browser/notification_observer.h"
 #include "content/public/browser/notification_registrar.h"
 
@@ -30,7 +31,8 @@ namespace extensions {
 
 // This class owns all RulesRegistries implementations of an ExtensionService.
 // This class lives on the UI thread.
-class RulesRegistryService : public content::NotificationObserver  {
+class RulesRegistryService : public ProfileKeyedAPI,
+                             public content::NotificationObserver {
  public:
   explicit RulesRegistryService(Profile* profile);
   virtual ~RulesRegistryService();
@@ -39,6 +41,12 @@ class RulesRegistryService : public content::NotificationObserver  {
   // created by us so that the RulesRegistries can be released.
   void Shutdown();
 
+  // ProfileKeyedAPI implementation.
+  static ProfileKeyedAPIFactory<RulesRegistryService>* GetFactoryInstance();
+
+  // Convenience method to get the RulesRegistryService for a profile.
+  static RulesRegistryService* Get(Profile* profile);
+
   // Registers the default RulesRegistries used in Chromium.
   void RegisterDefaultRulesRegistries();
 
@@ -59,6 +67,8 @@ class RulesRegistryService : public content::NotificationObserver  {
   // For testing.
   void SimulateExtensionUnloaded(const std::string& extension_id);
  private:
+  friend class ProfileKeyedAPIFactory<RulesRegistryService>;
+
   // Maps event names to RuleRegistries that handle these events.
   typedef std::map<std::string, scoped_refptr<RulesRegistry> > RulesRegistryMap;
 
@@ -72,6 +82,11 @@ class RulesRegistryService : public content::NotificationObserver  {
                        const content::NotificationSource& source,
                        const content::NotificationDetails& details) OVERRIDE;
 
+  // ProfileKeyedAPI implementation.
+  static const char* service_name() {
+    return "RulesRegistryService";
+  }
+
   RulesRegistryMap rule_registries_;
 
   // These are weak pointers to the delegates owned by the RulesRegistry's. We