Convert AutoBlocker static class to KeyedService.

chrome/browser/permissions/permission_context_base.h

Index: chrome/browser/permissions/permission_context_base.h
diff --git a/chrome/browser/permissions/permission_context_base.h b/chrome/browser/permissions/permission_context_base.h
index 15a32a03dfbfca1111b92bb9c3b088cf58b2ef52..ddcd42c2c7f703badd749b5672d6c8cbffaafd15 100644
--- a/chrome/browser/permissions/permission_context_base.h
+++ b/chrome/browser/permissions/permission_context_base.h
@@ -181,15 +181,9 @@ class PermissionContextBase : public KeyedService {
                                  const BrowserPermissionCallback& callback,
                                  bool permission_blocked);
 
-  void SetSafeBrowsingDatabaseManagerAndTimeoutForTest(
-      scoped_refptr<safe_browsing::SafeBrowsingDatabaseManager> db_manager,
-      int timeout);
-
   Profile* profile_;
   const content::PermissionType permission_type_;
   const ContentSettingsType content_settings_type_;
-  int safe_browsing_timeout_;
-  scoped_refptr<safe_browsing::SafeBrowsingDatabaseManager> db_manager_;
 #if defined(OS_ANDROID)
   std::unique_ptr<PermissionQueueController> permission_queue_controller_;
 #endif