Fix unitialized pointer in RulesRegistryService.

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

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/extensions/api/declarative/rules_registry_service.h"
 
 #include "base/bind.h"
 #include "base/lazy_instance.h"
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 15 matching lines @@
 void RegisterToExtensionWebRequestEventRouterOnIO(
     void* profile,
     scoped_refptr<WebRequestRulesRegistry> web_request_rules_registry) {
   ExtensionWebRequestEventRouter::GetInstance()->RegisterRulesRegistry(
       profile, web_request_rules_registry);
 }
 
 }  // namespace
 
 RulesRegistryService::RulesRegistryService(Profile* profile)
-    : profile_(profile) {
+    : content_rules_registry_(NULL),
+      profile_(profile) {
   if (profile) {
     registrar_.Add(this, chrome::NOTIFICATION_EXTENSION_UNLOADED,
         content::Source<Profile>(profile->GetOriginalProfile()));
     RegisterDefaultRulesRegistries();
   }
 }
 
 RulesRegistryService::~RulesRegistryService() {}
 
 void RulesRegistryService::RegisterDefaultRulesRegistries() {
@@ skipping 88 matching lines @@
       OnExtensionUnloaded(extension->id());
       break;
     }
     default:
       NOTREACHED();
       break;
   }
 }
 
 }  // namespace extensions