Fix memory leak in ActiveTabPermissionManager.

chrome/common/extensions/extension.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_COMMON_EXTENSIONS_EXTENSION_H_
 #define CHROME_COMMON_EXTENSIONS_EXTENSION_H_
 
 #include <algorithm>
 #include <iosfwd>
 #include <map>
@@ skipping 553 matching lines @@
   // Returns true if the extension has a content script declared at |url|.
   bool HasContentScriptAtURL(const GURL& url) const;
 
   // Gets the tab-specific host permissions of |tab_id|, or NULL if there
   // aren't any.
   scoped_refptr<const PermissionSet> GetTabSpecificPermissions(int tab_id)
       const;
 
   // Updates the tab-specific permissions of |tab_id| to include those from
   // |permissions|.
-  void UpdateTabSpecificPermissions(int tab_id,
-                                    const PermissionSet* permissions) const;
+  void UpdateTabSpecificPermissions(
+      int tab_id,
+      scoped_refptr<const PermissionSet> permissions) const;
 
   // Clears the tab-specific permissions of |tab_id|.
   void ClearTabSpecificPermissions(int tab_id) const;
 
   // Accessors:
 
   const FilePath& path() const { return path_; }
   const GURL& url() const { return extension_url_; }
   Location location() const;
   const std::string& id() const;
@@ skipping 135 matching lines @@
    public:
     RuntimeData();
     explicit RuntimeData(const PermissionSet* active);
     ~RuntimeData();
 
     void SetActivePermissions(const PermissionSet* active);
     scoped_refptr<const PermissionSet> GetActivePermissions() const;
 
     scoped_refptr<const PermissionSet> GetTabSpecificPermissions(int tab_id)
         const;
-    void UpdateTabSpecificPermissions(int tab_id,
-                                      const PermissionSet* permissions);
+    void UpdateTabSpecificPermissions(
+        int tab_id,
+        scoped_refptr<const PermissionSet> permissions);
     void ClearTabSpecificPermissions(int tab_id);
 
    private:
     friend class base::RefCountedThreadSafe<RuntimeData>;
 
     scoped_refptr<const PermissionSet> active_permissions_;
 
     typedef std::map<int, scoped_refptr<const PermissionSet> >
         TabPermissionsMap;
     TabPermissionsMap tab_specific_permissions_;
@@ skipping 444 matching lines @@
 
   UpdatedExtensionPermissionsInfo(
       const Extension* extension,
       const PermissionSet* permissions,
       Reason reason);
 };
 
 } // namespace extensions
 
 #endif  // CHROME_COMMON_EXTENSIONS_EXTENSION_H_