[Extensions] Un-refcount PermissionSet

chrome/browser/extensions/extension_management.h

 // Copyright 2014 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_EXTENSION_MANAGEMENT_H_
 #define CHROME_BROWSER_EXTENSIONS_EXTENSION_MANAGEMENT_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 96 matching lines @@
                                 const GURL& referrer_url) const;
 
   // Returns true if an extension with manifest type |manifest_type| is
   // allowed to be installed.
   bool IsAllowedManifestType(Manifest::Type manifest_type) const;
 
   // Returns the list of blocked API permissions for |extension|.
   APIPermissionSet GetBlockedAPIPermissions(const Extension* extension) const;
 
   // Returns blocked permission set for |extension|.
-  scoped_refptr<const PermissionSet> GetBlockedPermissions(
+  scoped_ptr<const PermissionSet> GetBlockedPermissions(
       const Extension* extension) const;
 
   // Returns true if every permission in |perms| is allowed for |extension|.
   bool IsPermissionSetAllowed(const Extension* extension,
-                              scoped_refptr<const PermissionSet> perms) const;
+                              const PermissionSet& perms) const;
 
   // Returns true if |extension| meets the minimum required version set for it.
   // If there is no such requirement set for it, returns true as well.
   // If false is returned and |required_version| is not null, the minimum
   // required version is returned.
   bool CheckMinimumVersion(const Extension* extension,
                            std::string* required_version) const;
 
  private:
   typedef base::ScopedPtrHashMap<ExtensionId,
@@ skipping 77 matching lines @@
       content::BrowserContext* context) const override;
   void RegisterProfilePrefs(
       user_prefs::PrefRegistrySyncable* registry) override;
 
   DISALLOW_COPY_AND_ASSIGN(ExtensionManagementFactory);
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_EXTENSION_MANAGEMENT_H_