Add support for response header manipulation in Declarative WebRequest API

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_
 #pragma once
 
 #include <list>
 #include <map>
@@ skipping 15 matching lines @@
 struct EventResponseDelta;
 }
 
 namespace net {
 class URLRequest;
 }
 
 namespace extensions {
 
 class RulesRegistryService;
-class WebRequestRule;
 
 // The WebRequestRulesRegistry is responsible for managing
 // the internal representation of rules for the Declarative Web Request API.
 //
 // Here is the high level overview of this functionality:
 //
 // RulesRegistry::Rule consists of Conditions and Actions, these are
 // represented as a WebRequestRule with WebRequestConditions and
 // WebRequestRuleActions.
 //
@@ skipping 22 matching lines @@
 
   // TODO(battre): This will become an implementation detail, because we need
   // a way to also execute the actions of the rules.
   std::set<WebRequestRule::GlobalRuleId> GetMatches(
       net::URLRequest* request,
       RequestStages request_stage);
 
   // Returns which modifications should be executed on the network request
   // according to the rules registered in this registry.
   std::list<LinkedPtrEventResponseDelta> CreateDeltas(
-      net::URLRequest* request, RequestStages request_stage);
+      net::URLRequest* request,
+      RequestStages request_stage,
+      const WebRequestRule::OptionalRequestData& optional_request_data);
 
   // Implementation of RulesRegistryWithCache:
   virtual std::string AddRulesImpl(
       const std::string& extension_id,
       const std::vector<linked_ptr<RulesRegistry::Rule> >& rules) OVERRIDE;
   virtual std::string RemoveRulesImpl(
       const std::string& extension_id,
       const std::vector<std::string>& rule_identifiers) OVERRIDE;
   virtual std::string RemoveAllRulesImpl(
       const std::string& extension_id) OVERRIDE;
@@ skipping 19 matching lines @@
   RulesMap webrequest_rules_;
 
   URLMatcher url_matcher_;
 
   scoped_refptr<ExtensionInfoMap> extension_info_map_;
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_API_DECLARATIVE_WEBREQUEST_WEBREQUEST_RULES_REGISTRY_H_