Track permissions granted to extensions in prefs

chrome/browser/extensions/extension_prefs.h

Index: chrome/browser/extensions/extension_prefs.h
diff --git a/chrome/browser/extensions/extension_prefs.h b/chrome/browser/extensions/extension_prefs.h
index 0bcd9f90b05be13a78bd1c8191c18f8fe53f4f60..67669a31746ea436d992580f0c6ddfc1ea84f49c 100644
--- a/chrome/browser/extensions/extension_prefs.h
+++ b/chrome/browser/extensions/extension_prefs.h
@@ -123,6 +123,19 @@ class ExtensionPrefs {
   // the client's.
   void SetLastPingDay(const std::string& extension_id, const base::Time& time);
 
+  // Gets the |api_permissions| and |host_extent| granted to the extension
+  // with |extension_id|. Returns false if the granted permissions preferences
+  // have not been initialized yet.
+  bool GetGrantedPermissions(const std::string& extension_id,
+                             std::set<std::string>* api_permissions,
+                             ExtensionExtent* host_extent);
+
+  // Adds the specified |api_permissions| and |host_extent| to the granted
+  // permissions for extension with |extension_id|.
+  void AddGrantedPermissions(const std::string& extension_id,
+                             const std::set<std::string>& api_permissions,
+                             const ExtensionExtent& host_extent);
+
   // Similar to the 2 above, but for the extensions blacklist.
   base::Time BlacklistLastPingDay() const;
   void SetBlacklistLastPingDay(const base::Time& time);
@@ -222,7 +235,7 @@ class ExtensionPrefs {
   void DeleteExtensionPrefs(const std::string& id);
 
   // Reads a boolean pref from |ext| with key |pref_key|.
-  // Return false if the value is false or kPrefBlacklist does not exist.
+  // Return false if the value is false or |pref_key| does not exist.
   bool ReadBooleanFromPref(DictionaryValue* ext, const std::string& pref_key);
 
   // Reads a boolean pref |pref_key| from extension with id |extension_id|.
@@ -239,6 +252,24 @@ class ExtensionPrefs {
                                 const std::string& pref_key,
                                 int* out_value);
 
+  // Reads a list pref |pref_key| from extension with id | extension_id|.
+  bool ReadExtensionPrefList(const std::string& extension_id,
+                             const std::string& pref_key,
+                             ListValue** out_value);
+
+  // Reads a list pref |pref_key| as a string set from the extension with
+  // id |extension_id|.
+  bool ReadExtensionPrefStringSet(const std::string& extension_id,
+                                  const std::string& pref_key,
+                                  std::set<std::string>* result);
+
+  // Adds the |added_values| to the value of |pref_key| for the extension
+  // with id |extension_id| (the new value will be the union of the existing
+  // value and |added_values|).
+  void AddToExtensionPrefStringSet(const std::string& extension_id,
+                                   const std::string& pref_key,
+                                   const std::set<std::string>& added_values);
+
   // Ensures and returns a mutable dictionary for extension |id|'s prefs.
   DictionaryValue* GetOrCreateExtensionPref(const std::string& id);