Add an experimental permissions API for extensions.

chrome/browser/extensions/extension_prefs.h

 // Copyright (c) 2011 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_PREFS_H_
 #define CHROME_BROWSER_EXTENSIONS_EXTENSION_PREFS_H_
 #pragma once
 
 #include <set>
 #include <string>
@@ skipping 169 matching lines @@
   // This passes ownership of the returned set to the caller.
   ExtensionPermissionSet* GetGrantedPermissions(
       const std::string& extension_id);
 
   // Adds |permissions| to the granted permissions set for the extension with
   // |extension_id|. The new granted permissions set will be the union of
   // |permissions| and the already granted permissions.
   void AddGrantedPermissions(const std::string& extension_id,
                              const ExtensionPermissionSet* permissions);
 
+  // Gets the active permission set for the specified extension. This may
+  // differ from the permissions in the manifest due to the optional
+  // permissions API. This passes ownership of the set to the caller.
+  ExtensionPermissionSet* GetActivePermissions(
+      const std::string& extension_id);
+
+  // Sets the active |permissions| for the extension with |extension_id|.
+  void SetActivePermissions(const std::string& extension_id,
+                            const ExtensionPermissionSet* permissions);
+
   // Returns true if the user enabled this extension to be loaded in incognito
   // mode.
   bool IsIncognitoEnabled(const std::string& extension_id);
   void SetIsIncognitoEnabled(const std::string& extension_id, bool enabled);
 
   // Returns true if the user has chosen to allow this extension to inject
   // scripts into pages with file URLs.
   bool AllowFileAccess(const std::string& extension_id);
   void SetAllowFileAccess(const std::string& extension_id, bool allow);
   bool HasAllowFileAccessSetting(const std::string& extension_id) const;
@@ skipping 202 matching lines @@
                                       const std::string& pref_key,
                                       URLPatternSet* result,
                                       int valid_schemes);
 
   // Converts |new_value| to a list of strings and sets the |pref_key| pref
   // belonging to |extension_id|.
   void SetExtensionPrefURLPatternSet(const std::string& extension_id,
                                      const std::string& pref_key,
                                      const URLPatternSet& new_value);
 
+  // Interprets |pref_key| in |extension_id|'s preferences as an
+  // ExtensionPermissionSet, and passes ownership of the set to the caller.
+  ExtensionPermissionSet* ReadExtensionPrefPermissionSet(
+      const std::string& extension_id,
+      const std::string& pref_key);
+
+  // Converts the |new_value| to its value and sets the |pref_key| pref
+  // belonging to |extension_id|.
+  void SetExtensionPrefPermissionSet(const std::string& extension_id,
+                                     const std::string& pref_key,
+                                     const ExtensionPermissionSet* new_value);
+
   // Returns a dictionary for extension |id|'s prefs or NULL if it doesn't
   // exist.
   const base::DictionaryValue* GetExtensionPref(const std::string& id) const;
 
   // Returns the dictionary of preferences controlled by the specified extension
   // or creates a new one. All entries in the dictionary contain non-expanded
   // paths.
   const base::DictionaryValue* GetExtensionControlledPrefs(
       const std::string& id,
       bool incognito) const;
@@ skipping 30 matching lines @@
 
   scoped_refptr<ExtensionContentSettingsStore> content_settings_store_;
 
   // The URLs of all of the toolstrips.
   URLList shelf_order_;
 
   DISALLOW_COPY_AND_ASSIGN(ExtensionPrefs);
 };
 
 #endif  // CHROME_BROWSER_EXTENSIONS_EXTENSION_PREFS_H_