Set drive as the default download folder

components/policy/core/browser/configuration_policy_handler_list.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 COMPONENTS_POLICY_CORE_BROWSER_CONFIGURATION_POLICY_HANDLER_LIST_H_
 #define COMPONENTS_POLICY_CORE_BROWSER_CONFIGURATION_POLICY_HANDLER_LIST_H_
 
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/callback.h"
 #include "base/memory/scoped_ptr.h"
 #include "components/policy/core/common/policy_details.h"
 #include "components/policy/policy_export.h"
 
 class PrefValueMap;
 
 namespace policy {
 
 class ConfigurationPolicyHandler;
 class PolicyErrorMap;
+struct PolicyHandlerParameters;
 class PolicyMap;
 struct PolicyToPreferenceMapEntry;
 class Schema;
 
 // Converts policies to their corresponding preferences by applying a list of
 // ConfigurationPolicyHandler objects. This includes error checking and
 // cleaning up policy values for displaying.
 class POLICY_EXPORT ConfigurationPolicyHandlerList {
  public:
+  typedef base::Callback<void(PolicyHandlerParameters*)>
+      PopulatePolicyHandlerParametersCallback;
+
   explicit ConfigurationPolicyHandlerList(
+      const PopulatePolicyHandlerParametersCallback& parameters_callback,
       const GetChromePolicyDetailsCallback& details_callback);
   ~ConfigurationPolicyHandlerList();
 
   // Adds a policy handler to the list.
   void AddHandler(scoped_ptr<ConfigurationPolicyHandler> handler);
 
   // Translates |policies| to their corresponding preferences in |prefs|.
   // Any errors found while processing the policies are stored in |errors|.
   // |prefs| or |errors| can be NULL, and won't be filled in that case.
   void ApplyPolicySettings(const PolicyMap& policies,
                            PrefValueMap* prefs,
                            PolicyErrorMap* errors) const;
 
   // Converts sensitive policy values to others more appropriate for displaying.
   void PrepareForDisplaying(PolicyMap* policies) const;
 
  private:
   std::vector<ConfigurationPolicyHandler*> handlers_;
-  GetChromePolicyDetailsCallback details_callback_;
+  const PopulatePolicyHandlerParametersCallback parameters_callback_;
+  const GetChromePolicyDetailsCallback details_callback_;
 
   DISALLOW_COPY_AND_ASSIGN(ConfigurationPolicyHandlerList);
 };
 
 // Callback with signature of BuildHandlerList(), to be used in constructor of
 // BrowserPolicyConnector.
 typedef base::Callback<scoped_ptr<ConfigurationPolicyHandlerList>(
     const Schema&)> HandlerListFactory;
 
 }  // namespace policy
 
 #endif  // COMPONENTS_POLICY_CORE_BROWSER_CONFIGURATION_POLICY_HANDLER_LIST_H_