Decouple RulesCacheDelegate from RulesRegistry

chrome/browser/extensions/api/declarative_webrequest/webrequest_rules_registry.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_WEBREQUEST_WEBREQUEST_RULES_REGISTRY_H_
 #define CHROME_BROWSER_EXTENSIONS_API_DECLARATIVE_WEBREQUEST_WEBREQUEST_RULES_REGISTRY_H_
 
 #include <list>
 #include <map>
 #include <set>
@@ skipping 57 matching lines @@
 // represents the {'host_suffix': 'example.com', 'path_prefix': '/query'} part.
 // We will then ask the URLMatcher, whether a given URL
 // "http://www.example.com/query/" has any matches, and the URLMatcher
 // will respond with the URLMatcherConditionSet::ID. We can map this
 // to the WebRequestRule and check whether also the other conditions (in this
 // example 'scheme': 'http') are fulfilled.
 class WebRequestRulesRegistry : public RulesRegistry {
  public:
   // |cache_delegate| can be NULL. In that case it constructs the registry with
   // storage functionality suspended.
-  WebRequestRulesRegistry(Profile* profile,
-                          scoped_ptr<RulesCacheDelegate>* cache_delegate);
+  explicit WebRequestRulesRegistry(Profile* profile);
 
   // TODO(battre): This will become an implementation detail, because we need
   // a way to also execute the actions of the rules.
   std::set<const WebRequestRule*> GetMatches(
       const WebRequestData& request_data_without_ids) const;
 
   // Returns which modifications should be executed on the network request
   // according to the rules registered in this registry.
   std::list<LinkedPtrEventResponseDelta> CreateDeltas(
       const ExtensionInfoMap* extension_info_map,
@@ skipping 93 matching lines @@
 
   void* profile_id_;
   scoped_refptr<ExtensionInfoMap> extension_info_map_;
 
   DISALLOW_COPY_AND_ASSIGN(WebRequestRulesRegistry);
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_API_DECLARATIVE_WEBREQUEST_WEBREQUEST_RULES_REGISTRY_H_