Revert 202152 "RulesRegistryWithCache::ProcessChangedRules speed-up"

trunk/src/chrome/browser/extensions/api/declarative/rules_registry_with_cache.h

 // 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.
 
 #ifndef CHROME_BROWSER_EXTENSIONS_API_DECLARATIVE_RULES_REGISTRY_WITH_CACHE_H__
 #define CHROME_BROWSER_EXTENSIONS_API_DECLARATIVE_RULES_REGISTRY_WITH_CACHE_H__
 
 #include "chrome/browser/extensions/api/declarative/rules_registry.h"
 
 #include <map>
@@ skipping 189 matching lines @@
   base::WeakPtrFactory<RulesRegistryWithCache> weak_ptr_factory_;
 
   // |storage_on_ui_| is owned by the registry service. If |storage_on_ui_| is
   // NULL, then the storage functionality is disabled (this is used in tests).
   // This registry cannot own |storage_on_ui_| because during the time after
   // rules registry service shuts down on UI thread, and the registry is
   // destroyed on its thread, the use of the |storage_on_ui_| would not be
   // safe. The registry only ever associates with one RuleStorageOnUI instance.
   const base::WeakPtr<RuleStorageOnUI> storage_on_ui_;
 
-  // If true then a task to call ProcessChangedRules is scheduled for execution
-  // in the future.
-  bool process_changed_rules_requested_;
-
   DISALLOW_COPY_AND_ASSIGN(RulesRegistryWithCache);
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_API_DECLARATIVE_RULES_REGISTRY_WITH_CACHE_H__