Don't pass URLBlacklistManager from UI to IO through ProfileParams on ProfileIOData.

chrome/browser/profiles/profile_io_data.h

Index: chrome/browser/profiles/profile_io_data.h
diff --git a/chrome/browser/profiles/profile_io_data.h b/chrome/browser/profiles/profile_io_data.h
index 227abb0c05fd813544b18c3912befd2f2d9e2a9b..b261371bc084906d9bfe6180a9da7cfcd7c3b73e 100644
--- a/chrome/browser/profiles/profile_io_data.h
+++ b/chrome/browser/profiles/profile_io_data.h
@@ -156,9 +156,6 @@ class ProfileIOData {
     // because on linux it relies on initializing things through gconf,
     // and needs to be on the main thread.
     scoped_ptr<net::ProxyConfigService> proxy_config_service;
-    // Initialized on the UI thread because it needs to reference the
-    // Profile's PrefService.
-    scoped_ptr<policy::URLBlacklistManager> url_blacklist_manager;
     // The profile this struct was populated from. It's passed as a void* to
     // ensure it's not accidently used on the IO thread. Before using it on the
     // UI thread, call ProfileManager::IsValidProfile to ensure it's alive.